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PubMed2003

A case study on dual forms of malnutrition among selected households in District 1, Tondo, Manila.

The co-existence of under-and overnutrition in developing countries might be the resultant factor of a marked shift in dietary and lifestyle practices of people, especially in urban areas. The eating of high fat, high caloric diets, the presence of inactive entertainment devices and mechanized labour influence patterns of food demand and physical activity. This study identified factors associated with the occurrence of under/overweight or normal/normal nutritional status of child-mother pairs in one household. This study was conducted in two phases. The first phase was a survey of 376 child-mother pairs. The children aged 33-83 months were attending classes in government day care centres. Anthropometric indices: weight-for-age Z score (WAZ) < or = -2SD was used to classify underweight in children. WAZ+1 to -1SD was used to indicate normal nutritional status in children, specifically for this study, in order to establish a more homogenous group. Body mass index (BMI) > or = 25 kg/m2 was used to measure overweight among mothers. Results showed that about 59% of the child-mother pairs were suffering from two different types of malnutrition. From this, 31 (8.2%) child-mother pairs in the same household were experiencing underweight/overweight: the child was underweight and the mother was overweight. The second phase of the study was an in-depth study of these 31 under/overweight child-mother pairs and 30 randomly selected normal/normal pairs. Pre-tested questionnaires were used to gather socio-economic-demographic data; 3 day 24-h food recall for dietary intake and 24-h activity recall for physical activity. Results showed that the different factors associated with the existence of underweight child/overweight mother (UC/OM) or normal child/normal mother (NC/NM) in this study were: mother's educational level, mother's occupation, and number of children in the household; energy intake, the preference of meats, sweets and sugars among children or meats and fried foods among mothers; and mother's perception on body size. Physical activity of both mothers and children was higher in the UC/OM than in the NC/NM group. The problem of undernutrition and overnutrition in one household poses enormous challenges. Although this study cannot make an inference to the whole population, the results indicate that there is a need to consider whether public health programs should focus on healthy diet and lifestyle patterns that will lead to optimal health outcomes at both ends of the spectrum of nutritional status.

Adult↗
PubMed2005

Relative risks of the metabolic syndrome according to the degree of insulin resistance in apparently healthy Korean adults.

A new simple criterion for diagnosing metabolic syndrome was proposed in the third report of the NCEP (National Cholesterol Education Program). In the present study, we analysed the association between metabolic syndrome and insulin resistance to investigate the effects of the latter on the prevalence of metabolic syndrome based on the new criteria recommended in the ATP (Adult Treatment Panel) III report. A total of 7057 participants (4472 men and 2585 women), who underwent medical screening at the Sungkyunkwan University Kangbuk Samsung Hospital, were investigated. Fasting insulin levels were measured and components of the metabolic syndrome as defined by the ATP III report were determined. We also applied the criteria for abdominal obesity as defined by APC-WC (Asia-Pacific criteria for waist circumference). The prevalence of metabolic syndrome as defined by ATP III was 5.3% (5.0% in men and 5.8% in women) and 8.9% (8.1% in men and 10.3% in women) by APC-WC. The odds ratio for the metabolic syndrome was significantly higher in subjects with higher insulin resistance than in those with lower insulin resistance. The mean levels of HOMA (homoeostatic model assessment) and fasting insulin were significantly higher in those with more of the components of the metabolic syndrome. A high HOMA (> or =2.56) and fasting insulin concentration (> or =9.98 microIU/ml; where IU is international unit) were found to be independent risk factors of the metabolic syndrome by multiple regression analysis after adjusting for age, sex and body mass index (P<0.001). These results show that the metabolic syndrome is significantly correlated with the insulin resistance index, and that appropriate values of HOMA and fasting insulin concentration may serve as a helpful guide for the management of metabolic syndrome.

Adult↗
PubMed1998

Comparison of serum prostate-specific antigen levels and PSA density in African-American, white, and Hispanic men without prostate cancer.

OBJECTIVES: To determine the influence of race or ethnicity on serum prostate-specific antigen (PSA) levels and PSA density (PSAD) in a population of healthy men without clinically evident prostate cancer. METHODS: This retrospective study was conducted between January 1988 and January 1993. The serum PSA levels were measured in 859 men (586 African Americans, 142 whites, and 131 Hispanics) who were participants in a prostate cancer screening program or had urinary symptoms suggestive of prostate gland pathology. All men underwent a detailed clinical examination, including digital rectal examination, serum PSA determination, and transrectal ultrasound (TRUS). None of the subjects included had clinical or TRUS evidence of prostate cancer (furthermore, 283 men were pathologically proved to be cancer-free by prostate biopsies). Serum PSA levels and PSA densities as a function of each individual's ethnic background were determined. RESULTS: The mean serum PSA level in African Americans was 2.1 ng/mL, which was significantly higher than that of whites (mean PSA of 1.53 ng/mL) and Hispanics (mean PSA of 1.83 ng/mL) (P = 0.003). Similar differences among the three groups were observed in PSA density (the mean PSAD was 0.078, 0.057, and 0.065 for African Americans, whites, and Hispanics, respectively). A separate analysis for the biopsy-negative men was performed, and the findings were consistent with the observations for the entire study group. After adjustment for age and prostate volume, the differences remained statistically significant. CONCLUSIONS: Among men without evidence of prostate cancer, African Americans have higher serum PSA levels and PSA densities than do whites or Hispanics. Race or ethnicity was an independent factor that affected serum PSA levels even after adjustment for age and prostate volume.

Adult↗
PubMed2005

Efficacy of breastfeeding support provided by trained clinicians during an early, routine, preventive visit: a prospective, randomized, open trial of 226 mother-infant pairs.

BACKGROUND: Despite growing evidence of the benefits of prolonged breastfeeding for mother and infant health, the rate of breastfeeding at infant age of 6 months remains below the Healthy People 2010 goal. The greatest decrease in the breastfeeding rate occurs during the first 4 postpartum weeks. Mothers who discontinue breastfeeding early are more likely to report lack of confidence in their ability to breastfeed, problems with the infant latching or suckling, and lack of individualized encouragement from their clinicians in the early postdischarge period. Observational studies suggest that primary care physicians can increase breastfeeding rates through specific advice and practices during routine preventive visits. However, robust scientific evidence based on randomized, controlled trials is currently lacking. OBJECTIVE: The purpose of this study was to determine whether attending an early, routine, preventive, outpatient visit delivered in a primary care physician's office would improve breastfeeding outcomes. DESIGN: The study was a prospective, randomized, parallel-group, open trial. SETTING: Participants were recruited at a level 3 maternity facility, with an average of 2000 births per year, in France. PARTICIPANTS: A total of 231 mothers who had delivered a healthy singleton infant (gestational age: > or =37 completed weeks) and were breastfeeding on the day of discharge were recruited and randomized (116 were assigned to the intervention group and 115 to the control group) between October 1, 2001, and May 31, 2002; 226 mother-infant pairs (112 in the intervention group and 114 in the control group) contributed data on outcomes. INTERVENTION: Support for breastfeeding in the control group included the usual verbal encouragement provided by the maternity ward staff members, a general health assessment and an evaluation for evidence of successful breastfeeding behavior by the pediatrician working in the obstetrics department on the day of discharge, provision of the telephone number of a peer support group, mandatory routine, preventive, outpatient visits at 1, 2, 3, 4, 5, and 6 months of infant age, and 10 weeks of paid maternity leave (extended to 18 weeks after the birth of the third child). In addition to the usual predischarge and postdischarge support, the mothers in the intervention group were invited to attend an individual, routine, preventive, outpatient visit in the office of 1 of the 17 participating primary care physicians (pediatricians or family physicians) within 2 weeks after the birth. The participating physicians received a 5-hour training program on breastfeeding, delivered in 2 parts in 1 month, before the beginning of the study. OUTCOME MEASURES: The primary outcome was the prevalence of exclusive breastfeeding reported at 4 weeks (defined as giving maternal milk as the only food source, with no other foods or liquids, other than vitamins or medications, being given). The secondary outcomes included any breastfeeding reported at 4 weeks, breastfeeding duration, breastfeeding difficulties, and satisfaction with breastfeeding experiences. Classification into breastfeeding categories reported at 4 weeks was based on 24-hour dietary recall. RESULTS: Ninety-two mothers (79.3%) assigned to the intervention group and 8 mothers (7.0%) assigned to the control group reported that they had attended the routine, preventive, outpatient visit in the office of 1 of the 17 primary care physicians participating in the study. Mothers in the intervention group were more likely to report exclusive breastfeeding at 4 weeks (83.9% vs 71.9%; hazard ratio: 1.17; 95% confidence interval [CI]: 1.01-1.34) and longer breastfeeding duration (median: 18 weeks vs 13 weeks; hazard ratio: 1.40; 95% CI: 1.03-1.92). They were less likely to report any breastfeeding difficulties (55.3% vs 72.8%; hazard ratio: 0.76; 95% CI: 0.62-0.93). There was no significant difference between the 2 groups with respect to the rate of any breastfeeding at 4 weeks (89.3% vs 81.6%; hazard ratio: 1.09; 95% CI: 0.98-1.22) and the rate of mothers fairly or very satisfied with their breastfeeding experiences (91.1% vs 87.7%; hazard ratio: 1.04; 95% CI: 0.95-1.14). CONCLUSIONS: Although we cannot exclude the possibility that findings might differ in other health care systems, this study provides preliminary evidence of the efficacy of breastfeeding support through an early, routine, preventive visit in the offices of trained primary care physicians. Our findings also suggest that a short training program for practicing physicians might contribute to improving breastfeeding outcomes. Multifaceted interventions aiming to support breastfeeding should involve primary care physicians.

Ambulatory Care↗
PubMed2000

Moderate-intensity regular exercise decreases serum tumor necrosis factor-alpha and HbA1c levels in healthy women.

OBJECTIVE: To evaluate the effects of moderate-intensity regular exercise on serum levels of tumor necrosis factor-alpha (TNF-alpha) and glucose and lipid metabolism parameters. DESIGN: Longitudinal intervention study of a 5 month exercise training program (30-45 min/day, 4-5 days/week). SUBJECTS: Forty-one healthy Japanese women aged 41-69 y at baseline; 27 participants in the exercise program. MEASUREMENTS: Body mass index (BMI), waist-to-hip ratio (WHR), percentage body fat, and fasting levels for serum TNF-alpha, serum soluble TNF receptor p55 (TNF-RI) and TNF receptor p75 (TNF-RII), serum lipids, HbA1c, and serum insulin before and after exercise. RESULTS: In overweight to obese subjects, serum levels of TNF-alpha, TNF-RI and TNF-RII were significantly higher than those in lean subjects. There were significant correlations between log serum TNF-alpha and BMI, percentage body fat, WHR, HbA1c and log insulin. TNF-RI was significantly correlated with BMI, percentage body fat, WHR and HbA1c. TNF-RII was also associated with BMI, percentage body fat and WHR. However, the correlation between TNF-RII and HbA1c did not reach statistical significance. Neither TNF-RI nor TNF-RII was correlated with log insulin. In contrast, TNF-alpha, TNF-RI and TNF-RII were negatively correlated with HDL cholesterol. Regular exercise decreased BMI, percentage body fat, HbA1c, serum TNF-alpha, TNF-RI and TNF-RII and increased HDL cholesterol levels. In addition, exercise-induced change in serum TNF-alpha was independently correlated with changes in HbA1c and serum insulin, after being adjusted for the change in fat-free mass. CONCLUSION: Changes in serum TNF-alpha that occur with exercise may play an important role in improving glucose metabolism parameters.

Adult↗
PubMed2000

Polymorphism at NRAMP1 and D2S1471 loci associated with juvenile rheumatoid arthritis.

OBJECTIVE: To examine the role of NRAMP1 in susceptibility to juvenile rheumatoid arthritis (JRA). METHODS: DNA from 119 JRA patients (72 pauciarticular, 47 polyarticular) and 111 healthy controls from Latvia was genotyped for a functional repeat polymorphism in the promoter of NRAMP1 and a linked (<150 kb) microsatellite D2S1471. The findings were compared with those from HLA-DQ alleles typed previously. Chi-square analyses were performed using the Mantel-Haenszel test and stratification according to pure Latvian or pure Russian descent. Haplotype analysis was performed using the Associate program to implement the expectation-maximization algorithm based on the gene-counting technique. RESULTS: Allele 3 at NRAMP1 conferred increased risk (odds ratios [ORs] 2.26, 2.31, and 2.19; P = 0.0006, 0.003, and 0.019) of disease in the JRA, pauciarticular, and polyarticular patient groups, respectively. Allele 2 conferred protection (OR 0.44, 0.43, and 0.46). Alleles at D2S1471 that conferred susceptibility (6 and 12) or protection (11) did so only when on a haplotype with alleles 3 or 2, respectively, at NRAMP1. Allele 3 at NRAMP1 was additive with HLA-DQ7 for susceptibility (OR 3.71, 3.71, and 4.02), and allele 2 at NRAMP1 was additive with HLA-DQ5 for protection (OR 0.19, 0.08, and 0.12). CONCLUSION: The NRAMP1 allele conferring susceptibility to JRA drives high levels of NRAMP1 expression, while the allele associated with protection drives low levels. These 2 alleles are inversely associated with susceptibility to infectious disease, consistent with their maintenance in populations through balancing selection.

Adolescent↗
PubMed2005

Effects of exercise training on glucose homeostasis: the HERITAGE Family Study.

OBJECTIVE: To determine the effect of a 20-week endurance training program in healthy, previously sedentary participants on measures derived from an intravenous glucose tolerance test (i.v.GTT). RESEARCH DESIGN AND METHODS: An i.v.GTT was performed before and after a standardized training program in 316 women and 280 men (173 blacks and 423 whites). Participants exercised on cycle ergometers 3 days per week for 60 sessions. The exercise intensity was progressively increased from 55% VO2max for 30 min per session to 75% VO2max for 50 min per session. RESULTS: Mean insulin sensitivity increased by 10% (P < 0.001) following the intervention, but the variability in the changes was high. Men had larger improvements than women (P = 0.02). Improvements in fasting insulin were transitory, disappearing 72 h after the last bout of exercise. There were also significant mean increases in the glucose disappearance index (3%, P = 0.02) and in glucose effectiveness (11%, P < 0.001), measures of glucose tolerance and of the capacity of glucose to mediate its own disposal, respectively. The acute insulin response to glucose, a measure of insulin secretion, increased by 7% in the quartile with the lowest baseline glucose tolerance and decreased by 14% in the quartile with the highest baseline glucose tolerance (P < 0.001). The glucose area below fasting levels during the i.v.GTT was reduced by 7% (P = 0.02). CONCLUSIONS: Although the effects of structured regular exercise were highly variable, there were improvements in virtually all i.v.GTT-derived variables. In the absence of substantial weight loss, regular exercise is required for sustained improvements in glucose homeostasis.

Adult↗
PubMed1998

Development of Sang-35: a cyclosporine formulation bioequivalent to Neoral.

During a research program, SangStat Medical Corporation developed more than 270 oral cyclosporine formulations. On the basis of animal and clinical trials, Sang-35 was chosen for clinical development, and bioequivalence with the cyclosporine microemulsion Neoral was established. In a cross-over study involving 36 healthy male volunteers, single 500 mg cyclosporine doses of Sang-35 (AUC0-infinity: 13,900 +/- 2470 micrograms.h.L-1, mean +/- standard deviation (SD)) and of Neoral (AUC0-infinity: 14,000 +/- 2900 micrograms.h.L-1) resulted in equal areas-under-the-time-concentration curve (AUC0-infinity). Sang-35 and Neoral were also bioequivalent in healthy male subjects after high-fat meals as well as in female and African-American subjects. In stable kidney transplant patients (n = 12) receiving a mean (+/- SD) cyclosporine dose of mg/d (3.6 +/- 1.6 mg/kg/d), AUC0-12 h after Sang-35 was, as expected, significantly higher than that after Sandimmune (4550 +/- 1858 vs 3468 +/- 1402 micrograms.h.L-1, p < 0.01). Sang-35 and Neoral resulted in equivalent cyclosporine AUC0-12 h values (4120 +/- 1508 and 4377 +/- 1579 micrograms.h.L-1, respectively) in stable kidney transplant patients (dose: 293 +/- 114 mg/d or 3.7 +/- 1.5 mg/kg/d, n = 32). In an additional study, 42 stable kidney graft patients were switched from Sandimmune to Sang-35. Based on a conversion strategy targeting AUC equivalence, only one dose adjustment was required in 55% of the patients, and 95% of patients (40 of 42) needed three or fewer dose adjustments. The mean Sang-35 dose was 7% lower than the mean Sandimmune dose. During the studies, Sang-35 and Neoral exhibited similar safety and tolerability profiles. It is concluded that Sang-35 and Neoral are bioequivalent and that patients can safely and easily be switched from Neoral or, in combination with dose adjustment, from Sandimmune to Sang-35.

Administration, Oral↗
PubMed1998

Reference ranges for serum prostate-specific antigen in black and white men without cancer.

OBJECTIVES: To determine the age- and race-specific prostate-specific antigen (PSA) distributions in healthy men in central South Carolina and to compare these to data from other studies. METHODS: Two thousand ninety-two black men aged 40 to 69 years and white men aged 50 to 69 years from the general population in 11 counties of central South Carolina participated in a prostate cancer educational program. Seventy-two percent of the participants were black-about double the proportion in the general population-and 63% of the men (1319 of 2092) subsequently obtained a PSA determination from their own physician. The distribution of serum PSA was compared with distributions from the Olmsted County study and from the Walter Reed Army Medical Center/Center for Prostate Disease Research study. RESULTS: Older men without cancer had higher PSA levels. Regression analyses yielded an associated increase of about 3.3% per year. Reference ranges for normal PSA in men without cancer (based on their sample 95th percentiles) were zero to 1.9, 3.8, and 5.7 ng/mL in black men aged 40 to 49, 50 to 59, and 60 to 69 years, and zero to 2.7 and 4.9 mg/mL in white men aged 50 to 59 and 60 to 69 years, respectively. CONCLUSIONS: Reference ranges for normal serum PSA levels should take into account the population from which they are derived and to which they will be applied. Reference ranges that are useful in the general population can differ from those that are appropriate in a hospital setting. For the general population in central South Carolina, reference ranges for serum PSA levels are lower than previously published reference ranges, particularly among black men.

Adult↗
PubMed2000

The sleep of healthy people--a diary study.

To provide baseline data for various research studies at the University of Pittsburgh over a 10-year period, 266 healthy subjects (144 male, 122 female, aged 20-50 years) meeting certain criteria each completed a 14-night sleep diary. For each night, the diary allowed the subjective measurement of bedtime, wake time, time in bed (TIB), sleep efficiency, number of minutes of wake after sleep onset (WASO), alertness on awakening, and percentage of morning needing an alarm (or a person functioning as one). Weeknight versus weekend night differences in TIB (TIBdiff), weekday altertness, and reliance on alarms were examined as possible indicators of sleep debt. In addition, general descriptive data were tabulated. On average, bedtimes were at 23:48 and wake times at 07:23, yielding a mean TIB of 7 hours 35 minutes. As expected, bedtimes and wake times were later on weekend nights than on weeknights. Bedtimes were 26 minutes later, wake times 53 minutes later, yielding a mean weekend TIB increase of 27 minutes. Overall, subjects perceived their sleep latency to be 10.5 minutes, reported an average of one awakening during the night (with an average of 6.4 minutes of WASO), had a diary sleep efficiency of 96.3%, and awoke with an alterness rating of 69.5%. These variables differed little between weeknight and weekend nights. Subjects used an alarm (or a person functioning as an alarm) on 60.9% nights overall, 68.3% on weeknights, 42.5% on weekends. When TIBdiff was used as an estimate of sleep debt (comparing subjects with TIBdiff > 75 minutes with those with a TIBdiff < 30 minutes), the group with more "catch-up sleep" on weekends had shorter weeknight TIB durations (by about 24 minutes) and relied more on an alarm for weekday waking (by about 22%), indicating the possible utility of these variables as sleep debt indices.

Adult↗
PubMed2002

The Seattle-King County healthy homes project: implementation of a comprehensive approach to improving indoor environmental quality for low-income children with asthma.

Pediatric asthma is a growing public health issue, disproportionately affecting low-income people and people of color. Exposure to indoor asthma triggers plays an important role in the development and exacerbation of asthma. We describe the implementation of the Seattle-King County Healthy Homes Project, a randomized, controlled trial of an outreach/education intervention to improve asthma-related health status by reducing exposure to allergens and irritants in the home. We randomly assigned 274 low-income children with asthma ages 4-12 to either a high- or a low-intensity group. In the high-intensity group, community health workers called Community Home Environmental Specialists (CHES) conducted initial home environmental assessments, provided individualized action plans, and made additional visits over a 12-month period to provide education and social support, encouragement of participant actions, provision of materials to reduce exposures (including bedding encasements), assistance with roach and rodent eradication, and advocacy for improved housing conditions. Members of the low-intensity group received the initial assessment, home action plan, limited education during the assessment visit, and bedding encasements. We describe the recruitment and training of CHES and challenges they faced and explain the assessment and exposure reduction protocols addressing dust mites, mold, tobacco smoke, pets, cockroaches, rodents, dust, moisture, and toxic or hazardous chemicals. We also discuss the gap between the practices recommended in the literature and what is feasible in the home. We accomplished home interventions and participants found the project very useful. The project was limited in resolving structural housing quality issues that contributed to exposure to indoor triggers.

Air Pollution, Indoor↗
PubMed2001

Relationship of changes in maximal and submaximal aerobic fitness to changes in cardiovascular disease and non-insulin-dependent diabetes mellitus risk factors with endurance training: the HERITAGE Family Study.

The purpose of this study was to determine the relationship between changes in maximal oxygen uptake (VO2 max) and submaximal markers of aerobic fitness and changes in risk factors for cardiovascular disease (CVD) and non-insulin-dependent diabetes mellitus (NIDDM) consequent to a 20-week endurance training program. The 502 participants in this study were healthy and previously sedentary men (n = 250) and women (n = 252) of varying age (17 to 65 years) and race (blacks n = 142; whites n = 360) who had completed the HERITAGE Family Study testing and training protocol. Following baseline measurements, participants trained on cycle ergometers 3 days/week for a total of 60 exercise sessions starting at the heart rate (HR) associated with 55% of VO2 max for 30 minutes/session. This was progressively increased to the HR associated with 75% of VO2 max for 50 minutes/session, which was maintained during the last 6 weeks. VO2 max, heart rate at 50 W, power output at 60% of VO2 max, lipids and lipoproteins, resting blood pressure, body composition including abdominal fat (computed tomography [CT] scan), and blood glucose and insulin at rest and at peak following an intravenous glucose tolerance test (IVGTT) were determined both before and after training. Following training, there were significant increases in VO2 max (16%) and the power output at 60% of VO2 max and a significant decrease in HR at 50 W. These changes in markers of aerobic fitness were significantly correlated only to the changes in the body composition variables and the lipids and lipoproteins. Further, there was considerable individual variation in response for all variables studied. Finally, when risk factor data were analyzed by quartile of change in VO2 max, there were few significant relationships. It is concluded that there is a significant relationship between changes in markers of aerobic fitness and changes in several risk factors for CVD and NIDDM. However, the magnitude of these relationships is small.

Adolescent↗
PubMed2001

Effects of a 16-week progressive high-intensity strength training (HIST) on indexes of bone turnover in men over 65 years: a randomized controlled study.

The aim of the present study was to evaluate the effects of a 16-week progressive high-intensity strength training (HIST) program on peripheral markers of bone turnover (bone Gla protein, BGP; bone alkaline phosphatase, B-AP; N-terminal propeptide of type I procollagen, PINP; C-terminal cross-linked telopeptide of type I collagen, ICTP) in healthy, elderly men over 65 yr of age. Thirty healthy men (aged 65-81 yr), performing light to moderate daily physical activity, were randomly divided into two groups. Group 1 (no.=16) followed a supervised 16-week progressive HIST program, while subjects of group 2 (no.=14), used as controls, were requested to maintain their habitual level of physical activity for 16 weeks. HIST program consisted of 6 different sets of exercise (2 involving the major muscle groups of the lower limb and 4 involving those of the upper limb). Three sessions/ week, during which 10 repetitions of each exercise set were completed, were performed. Lower limb exercises shifted from 50 to 80% of the one maximal repetition (1 MR) during the first month of the protocol and were thereafter maintained at an intensity of 80% 1 MR throughout the training. Upper limb exercises shifted from 40 to 65% of 1 MR with a similar pattern. All sessions were preceded by 15 min of cycloergometer exercise at 50% of maximal oxygen uptake and by a warm-up of 15 repetitions at 20% of 1 MR of each exercise set. The HIST program did not significantly change BGP (mean SE, before: 15.6 +/- 1.2 microg/l vs after: 16.0 +/- 1.2 microg/l, NS) and PINP levels (before: 44.6 +/- 6.7 microg/l vs after: 43.1 +/- 6.0 microg/l, NS). On the contrary, serum B-AP significantly increased (before: 50.2 +/- 6.1 IU/l vs after: 62.3 +/- 7.0 lU/l, p<0.001) and serum ICTP slightly reduced (before: 4.0 +/- 0.3 microg/l vs after: 3.8 +/- 0.3 microg/l, p<0.05). When bone turnover was expressed as the ratio between bone formation to bone resorption (B-AP/ICTP ratio), a significant improvement in this ratio was found in all subjects of group 1 (before: 12.9 +/- 1.3 lU/microg vs after: 17.3 +/- 1.5 IU/microg, p<0.0001), while no significant changes were observed in Group 2. No significant changes of IGF-I levels were observed after the HIST program (before: 94.9 +/- 9.4 microg/l vs after: 89.9 +/- 9.7 microg/l). No significant changes of BGP, PINP, B-AP, ICTP, B-AP-ICTP ratio and IGF-I levels were observed in controls (group 2) during the 16 weeks of observation. Although the positive effects of a progressive HIST program on B-AP levels and B-AP-ICTP ratio seem promising, the support of bone mass measurement and the determination of other bone markers are requested to better identify exercise protocol (duration, intensity) for elderly people.

Aged↗
PubMed2000

Cigarette smoking and invasive pneumococcal disease. Active Bacterial Core Surveillance Team.

BACKGROUND: Approximately half of otherwise healthy adults with invasive pneumococcal disease are cigarette smokers. We conducted a population-based case-control study to assess the importance of cigarette smoking and other factors as risk factors for pneumococcal infections. METHODS: We identified immunocompetent patients who were 18 to 64 years old and who had invasive pneumococcal disease (as defined by the isolation of Streptococcus pneumoniae from a normally sterile site) by active surveillance of laboratories in metropolitan Atlanta, Baltimore, and Toronto. Telephone interviews were conducted with 228 patients and 301 control subjects who were reached by random-digit dialing. RESULTS: Fifty-eight percent of the patients and 24 percent of the control subjects were current smokers. Invasive pneumococcal disease was associated with cigarette smoking (odds ratio, 4.1; 95 percent confidence interval, 2.4 to 7.3) and with passive smoking among nonsmokers (odds ratio, 2.5; 95 percent confidence interval, 1.2 to 5.1) after adjustment by logistic-regression analysis for age, study site, and independent risk factors such as male sex, black race, chronic illness, low level of education, and living with young children who were in day care. There were dose-response relations for the current number of cigarettes smoked per day, pack-years of smoking, and time since quitting. The adjusted population attributable risk was 51 percent for cigarette smoking, 17 percent for passive smoking, and 14 percent for chronic illness. CONCLUSIONS: Cigarette smoking is the strongest independent risk factor for invasive pneumococcal disease among immunocompetent, nonelderly adults. Because of the high prevalence of smoking and the large population attributable risk, programs to reduce both smoking and exposure to environmental tobacco smoke have the potential to reduce the incidence of pneumococcal disease.

Adolescent↗
PubMed1995

Dietary practices, alcohol consumption, and smoking behavior: ethnic, sex, and acculturation differences.

Current knowledge is scarce on Latino dietary practices. This study compared the dietary practices, alcohol consumption, and smoking behavior of Latinos and non-Latino whites in two randomly selected samples. Telephone surveys of adults 35-74 years of age from the Kaiser Permanente Medical Care Program (Latinos = 844; non-Latino whites = 510) and from census tract-based areas (Latinos = 806; non-Latino whites = 436) were conducted in the San Francisco Bay Area. Latino ethnicity was a significant predictor of dietary and alcohol consumption practices in multivariate logistic regression models after adjustment for sex, education, age, employment, health insurance, martial status, county of residence, and self-perceived health status. Compared with non-Latino whites, Latinos were significantly less likely to report eating vegetables and more likely to eat rice, beans, and fried foods and to drink whole milk. Less acculturated Latinos were more likely to eat fruits, rice, beans, meat, and fried foods and to drink whole milk than more acculturated Latinos. Latino men were significantly more likely to be binge drinkers, and Latina women were significantly more likely to abstain from drinking alcohol during the month prior to the interview. As Latina women acculturate to the U.S. mainstream, they report more cigarette smoking and alcohol consumption. Although Latinos reported higher levels of selected high-fiber foods, the low consumption of vegetables, widespread use of saturated fat, and the heavy drinking and smoking among Latino men, which are associated with the level of acculturation, may increase the risk for cancer. Educational messages targeting less acculturated Latinos should focus on maintaining their current healthy dietary practices of eating fruits, rice, and beans and decreasing their fat consumption. For more acculturated Latinos, emphasis should be placed on resuming the traditional diet.

Acculturation↗
PubMed2005

Transforming growth factor-beta1 gene polymorphisms associated with chronic obstructive pulmonary disease in Chinese population.

AIM: To determine the frequencies of polymorphism and haplotype in the transforming growth factor-beta 1 (TGF-beta1) gene promoter in the Chinese population and to investigate the susceptibility of this population to chronic obstructive pulmonary disease (COPD). METHODS: The target fragments of the TGF-beta1 gene promoter were amplified and analyzed by polymerase chain reaction-restriction fragment length polymorphism technique in 84 COPD patients and 97 age- and sex-matched healthy controls. The test for Hardy-Weinberg equilibrium was performed using HWE program of the LINKUTIL package and statistical analysis was carried out with the SPSS statistical package. An expectation maximization algorithm was used for the pairwise linkage disequilibrium test and haplotype analysis. RESULTS: More carriers of the -800A allele, or fewer carriers of the -509T allele, were detected in the COPD patients compared with the non-symptomatic control subjects [for the -800A allele, 29.8% vs 14.4%, respectively, Chi2=6.257, degrees of freedom (df)=1, P=0.012; for the -509T allele, 27.3% vs 44.3%, respectively, Chi2=5.582, df=1, P=0.018]. The prevalence of the -800A allele was significantly higher in the COPD patients than in control subjects (P=0.009), whereas the frequency of the -509T allele was significantly higher in control subjects than in the COPD patients (P=0.008). In addition, this distribution tendency for the -800A or -509T allele was similar in heavy smokers (smoking history >20 pack years); (number of packs of cigarettes per day multiplied by the number of years of smoking) Chi2=7.235, P=0.007, and Chi2=5.636, P=0.018, respectively). The linkage disequilibrium was found between -800 G-A and -509 C-T (D>0.60, P<0.0001), and the frequency of the AC haplotype, consisting of the least common base at -800 and the most common base at -509, was significantly higher in patients with COPD than in controls (0.056 vs 0.021, P<0.05). CONCLUSIONS: The single nucleotide polymorphism (SNP) in the TGF-beta1 gene promoter might be associated with COPD, and the -800A/-509C haplotype is possibly one of the susceptibility factors for COPD.

Aged↗
PubMed2006

Determinants of adult vaccination at inner-city health centers: a descriptive study.

BACKGROUND: Pneumococcal polysaccharide vaccination rates among adults 65 years and older or less than 65 years with high risk medical conditions are still below Healthy People 2010 recommended levels of 90%. This study was designed to: 1) assess self-reported pneumococcal vaccination rates following health center level interventions to increase adult vaccination rates; and 2) determine factors associated with vaccination. METHODS: Tailored interventions to increase immunizations were implemented at two inner-city health centers. We surveyed 375 patients 50 years of age and older. Multivariate logistic regression examines the predictors of 1) self-reported pneumococcal vaccination and 2) combined self-reported influenza and pneumococcal vaccination. Both of these models were stratified by age group (50-64 years and 65 years and older). RESULTS: Pneumococcal vaccination rates were 45% by self-report, 55% by medical record review, 69% for patients 65 years old and older, 32% for patients 50-64 years; they did not differ by race. Receipt of the previous season's influenza vaccine was significantly related to pneumococcal vaccination among both younger and older patients. Receiving both the pneumococcal vaccine and the most recent influenza vaccine compared with receiving neither, among younger patients was related to unemployment, more frequent physician visits, and belief that those who do not receive the flu shot are more susceptible to the flu. For older patients, receipt of both vaccines was related to nonsmoking status, believing that friends/family think the patient should be vaccinated, seeing posters advertising flu shot clinics, and belief that those who do not receive the flu shot are more susceptible to the flu. CONCLUSION: Our findings suggest that improving overall pneumococcal vaccination rates among eligible adults, has the potential to eliminate racial disparities. Interventions delivering vaccination messages specific to older and younger adult groups may be the best strategy for improving adult vaccination rates.

Black or African American↗
PubMed2003

Macronutrient intake of black and white adolescent girls over 10 years: the NHLBI Growth and Health Study.

OBJECTIVE: To compare age-related changes in macronutrient and cholesterol intake between black and white girls, compare intakes with National Cholesterol Education Program (NCEP) recommendations, and examine sociodemographic associations with macronutrient intake. DESIGN: Cohort study with 3-day food records collected over 10 years. SUBJECTS: 2,379 girls, 1,166 white and 1,213 black, age 9 to 10 years at baseline, recruited from three geographic locations. Statistical Analysis Longitudinal generalized estimating equation (GEE) regression models examined the relationships of age, ethnicity, and sociodemographic factors with macronutrient and cholesterol intake and with percentage of girls meeting NCEP recommendations. RESULTS: Total and saturated fat intakes decreased with age, more in white girls than black girls, from 35.1% and 13.6% kcal at age 9 to 29.3% and 10.4% at age 19 for white girls and from 36.5% and 13.4% kcal at age 9 to 35.1% and 11.7% kcal at age 19 for black girls. Dietary cholesterol decreased with age, but decreased more in white girls than black girls (range 95 to 119 mg/1,000 kcal for white girls and 119 to 132 mg/1,000 kcal for black girls). Depending on age, 7% to 51% of white girls and 8% to 26% of black girls met NCEP recommendations for total fat (<or=30% kcal) and saturated fat (<10% kcal). About 85% of white and 75% of black girls met NCEP recommendation for dietary cholesterol (<300 mg/day). Lower parental education was associated with increased fat and cholesterol and decreased carbohydrate intake. APPLICATIONS: Nutrition counseling and health promotion endeavors should make efforts to promote nutritional heart-healthy messages to adolescents, particularly black girls.

Adolescent↗