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Reference values for FEV1 in Japanese-American men from 45 to 68 years of age.

Pulmonary function is known to vary by racial group, yet no standards have been published for Asian-Americans. The Honolulu Heart Program, a prospective epidemiologic study of cardiovascular disease, provided an opportunity to examine pulmonary function, specifically, forced expiratory volume in one second (FEV1), in Japanese-American men 45 to 68 yr of age. Of a cohort of 6,346 men, 1,490 were identified as healthy asymptomatic nonsmokers. Prediction equations and reference values were derived from this subgroup. When the prediction equation was compared with those derived from Caucasian and black populations, mean predicted FEV1 for Japanese-Americans was intermediate to higher values for Caucasians and lower values for blacks. In addition to age and height, skinfolds, dynamometry, and biacromial diameter were found to be independent predictors of FEV1. In summary, standards derived from Japanese-American populations should be used when measuring pulmonary function in this group and additional physical measurements make a small contribution to the accuracy of prediction equations.

Aged↗

Management of endemic outbreaks of scabies with allethrin, permethrin, and ivermectin.

BACKGROUND: At three residences for the elderly, recurrent scabies infestations became out of control. Due to the failure of repeated, nonsynchronized therapeutic efforts with conventional external anti-scabies treatments, an eradication program had to be developed. We describe a protocol for the management of outbreaks of scabies. METHODS: According to the clinical examination and microscopically identified mites, all individuals of the population (IOP: patients, staff, and family members) were divided into two groups: (a) healthy and infested IOP; and (b) cases with crusted scabies. The first group was treated simultaneously once with external scabicides (allethrin or permethrin). All others were hospitalized and treated either with systemic ivermectin or with the latter in combination with permethrin. RESULTS: In 252 IOP living in three residences for the elderly, clinical signs of scabies were reported in 91.5%, 78.5%, and 15.4% of the patients (age 55-97 years; mean, 80.5 years), 54.1%, 32.9%, and 16.6% of staff members, and in 7%, 3%, and 0% of family members. The infested IOP showed crusted scabies (index cases) in 5.3%, 5.0%, and 1.7%, common scabies in 43.1%, 36.7%, and 7.1%, and postscabiotic dermatitis in 10.3%, 7.6%, and 3.5%. In 99.2% of the synchronously treated IOP in group (a) (n = 240), the conventional treatment with permethrin cream 5% or allethrin spray was effective. Group (b) (n=12) received ivermectin (12 mg) once (n=5) or twice (n= 7) after an interval of 8 days. One index case received permethrin three times. CONCLUSIONS: Outbreaks of scabies in populations of elderly people require special management for disease control. Synchronous treatment with external permethrin cream 5% or allethrin spray, including all IOP once, and close control offers a time-saving, cheap, and reliable method. Crusted scabies should be treated by oral administration of ivermectin once or twice after an interval of 8 days. Additional applications of permethrin and mechanical clearing of hyperkeratotic subungual areas shorten the course.

Aged↗

Evaluating healthy schools: perceptions of impact among school-based respondents.

Schools are important settings in which to promote children's and young people's physical and emotional health. An evaluation of the National Healthy School Standard in England showed that education and health professionals have implemented a range of projects and activities to improve pupils' health. Although these were generally well received by parents and pupils, they were not uncritical of them. Perceptions of the value of health-related work were influenced by the contextual characteristics of schools--whether primary or secondary, the quality of social relationships, the quality of teaching, and the extent of pupil and parental involvement in the life of the school. With local responsibilities for children's services in England being reorganized in response to the Green Paper, Every Child Matters: Next Steps, there are new opportunities to develop a coherent set of outcome measures that pay due regard to pupils' and parents' views, and which inform collaborative reviews of healthy school programmes, in particular, and local services, more generally.

Administrative Personnel↗

Physical activity in the EPIC-Italy centers.

The European Prospective Investigation into Cancer and nutrition offers the opportunity to explore patterns of physical activity in a large series of healthy adults enrolled in the different local cohorts of the Italian section of the European EPIC project. Physical activity is considered one of the means by which chronic disease could be prevented. Subjects in the EPIC study completed a life-style questionnaire, with a section dedicated to the assessment of physical activity at work and during leisure time. Time spent in the various activities was transformed into an index of physical activity (physical activity level, PAL) and an activity index that includes intense activity (PAL; intense activity included). Quintiles of these indexes were computed in order to observe the distribution of subject characteristics according to levels of physical activity. In general, the population was characterized by low levels of physical activity at work, with more than 50% of the sample reporting sedentary occupations. During leisure time, only a small percentage of subjects compensated for the inactivity at work by engaging in energy-consuming activities. In particular, organized fitness activities were reported by a small percentage of people, whereas walking was the most common sort of physical activity. Specific types of activity seemed to characterize subjects in the different areas of the country, reflecting local traditions or specific living situations. Detailed information about physical activity habits, together with a description of other characteristics, could help in designing physical activity promotion programs in different Italian populations and age groups.

Adult↗

Spirometric reference values in a large Middle Eastern population.

Ethnic differences in pulmonary function have been frequently reported. The purposes of this study were to derive equations for the prediction of normative spirometry values for a large population of Persians in Isfahan and compare them to reference values from a White Euro-USA population. Spirometry measurements were obtained from 4,341 randomly selected healthy nonsmoker subjects in Isfahan, Iran, utilising American Thoracic Society guidelines and a vigorous quality assurance program. Measured data from 3,213 subjects were analysed using multiple regression techniques to derive prediction equations for spirometric variables; the remaining 1,128 subjects were used as a control group to test the validity of the derived equations. In addition, predicted values were compared with values derived from recently published equations for the USA. Derived prediction equations showed good performance for most spirometric parameters. Compared with USA Whites, adult Persians have minimally lower forced vital capacities, while the values for children are close to USA Whites. In comparison with reference equations based on European or USA populations, local reference values are more biologically and technically suitable for the interpretation of spirometric data from Iranian populations.

Adult↗

Population pharmacokinetics of vancomycin in Japanese adult patients.

Population pharmacokinetic parameters of vancomycin (VCM) in Japanese adult patients infected with methicillin-resistant Staphylococcus aureus (MRSA) were estimated using 1253 items of serum concentration data from 190 patients obtained in routine drug monitoring. The two-compartment linear model was adopted, and VCM clearance (CL) was correlated with the creatinine clearance (CLcr), which was observed or estimated by the Cockcroft-Gault equation. The population pharmacokinetic analysis program NONMEM with first-order conditional estimation method was used. The results showed VCM clearance to be linearly correlated with CLcr (CL [ml/min] = 0.797 x CLcr) when the estimated CLcr was <85 ml/min, but no linear relationship at higher than this level because of the lack of accuracy in the CLcr estimates. The interindividual variability of CL was 38.5%; K12 and K21 were 0.525 hr(-1) and 0.213 hr(-1), respectively. The distribution volume at steady state (V[SS]) was 60.71, with no significant dependence on the actual body weight. The interindividual variability of Vss was 25.4%. The calculated half-life (t1/2,beta) in a typical patient with CLcr of 85 ml/minute was 12.8 hours. Residual variability was 23.7%. These results were compared to those of healthy volunteers, and guidelines for dosage adjustment in VCM therapy are discussed.

Adult↗

Profile of young people's advice clinic in reproductive health, 1988-93.

For an unprepared sexually active teenager the 1990s present a minefield of potential problems in addition to the most obvious problems of unplanned pregnancy and sexually transmitted disease. Promoting the importance of a healthy sexual and reproductive life to young people requires openness, better sex education, realistic discussion of related issues, and provision of contraception, as well as support if things go wrong. The Woodhouse Park Clinic in south Manchester opened in October 1988 with the aim of providing weekly advice sessions to young people up to the age of 18. Advice is given on topics such as substance misuse and smoking as well as on family planning. Attendance has steadily increased over the years; from April to June 1993 the average number of attenders per session was 39, one third of whom were young men.

Adolescent↗

Variations of the CFTR gene in the Hanoi-Vietnamese.

In order to investigate polymorphic backgrounds of the cystic fibrosis transmembrane conductance regulator gene (CFTR) in the Vietnamese, we analyzed 495 blood samples of randomly selected healthy individuals in Hanoi for the delta F508 mutation and TG-repeats, poly-T, and M470V polymorphisms. We compared their distributions with those of Caucasians and other Asian populations. No delta F508 mutation was found, being consistent with the extremely low incidence of cystic fibrosis (CF) in Vietnam. Allele frequency of the T5 allele promoting exon 9 skipping was 0.037. Greater number of TG-repeats, which is known to facilitate this aberrant splicing, was a predominant trend in the Vietnamese and other Asians. A "T5-TG12-V470" haplotype was most common (29/37) among T5-bearing haplotypes. Three major haplotypes, T7-TG12-M470, T7-TG11-V470, and T7-TG12-V470, estimated by PHASE program, related to 92% of the population. This is the first study of the CFTR gene among the Vietnamese.

Adolescent↗

Youth, sexuality and sex education messages in Indonesia: issues of desire and control.

Since the 1994 International Conference on Population and Development, the need for sexuality education for youth has been articulated, and numerous activities in Indonesia, especially Java, have been directed at young people. However, many parents, teachers and religious leaders have considered it essential that such education should suppress youth sexuality. This article reflects upon current discourses on youth sexuality in Java as against the actual sexual behaviour of young people. Using examples from popular magazines and educational publications, and focus group discussions with young men and women in Surabaya, East Java, we argue that the dominant prohibitive discourse in Java denounces youth sexuality as unhealthy, reinforced through intimidation about the dangers of sex. In contrast, a discourse of competence and citizenship would more adequately reflect the actual sexual behaviour of youth, and raises new challenges for sexuality education. Information should be available to youth concerning different sexualities, respecting the spectrum of diversity. Popular youth media have an especially important role to play in this. The means to stay healthy and be responsible--contraceptives and condoms--should be available at sites where youth feel comfortable about accessing them. Meanwhile, young Indonesians are engaging in different forms of sexual relationships and finding their own sources of information, independent of government, religion and international organisations.

Adolescent↗

Intake of nutrients related to cardiovascular disease risk among three groups of American Indians: the Strong Heart Dietary Study.

BACKGROUND: Although diet is implicated in the elevated rate of cardiovascular disease among some American Indian tribes, the dietary intakes of these individuals have not been described. The Strong Heart Dietary Study compared diets of 10 tribes in Arizona, Oklahoma, and the Dakotas to examine the possible contribution of diet to cardiovascular and other chronic diseases. METHODS: During 1988-1991, 892 people responded to a 24 hr diet recall questionnaire. Nutrient intake by study area, sex, and age group were compared by analysis of variance, and intakes were compared with nutrient intakes reported by participants in Phase 1 of the Third National Health and Nutrition Examination Survey and with dietary recommendations of the National Research Council, the American Heart Association, and the Healthy People 2000 objectives. RESULTS: The intake of energy and nutrients varied significantly by sex and age. Men consumed more energy, macronutrients, and sodium than did women (P < or = 0.001). Women's diets were denser in carbohydrate, beta-carotene, vitamin C, and vitamin E than were men's diets (P < or = 0.001). Younger participants consumed more energy, macronutrients, vitamin E, and sodium than did older participants (P < or = 0.001). Older participants had diets denser in protein and beta-carotene than did younger participants (P < or = 0.001). Energy intake did not differ significantly by study area, but men in Arizona consumed more energy from carbohydrate and less energy from total fat than did men elsewhere (P < or = 0.01). Men and women in Arizona consumed more cholesterol and fiber than did other participants (P < or = 0.01) and less of the antioxidant vitamins (P < or = 0.01). Participants in the Strong Heart Diet Study reported diets higher in fats and cholesterol than did participants in Phase 1 of the Third National Health and Nutrition Examination Survey. Few Strong Heart participants achieved dietary recommendations for the reduction of risk of chronic disease. CONCLUSIONS: Area differences in nutrient intake were observed, but most participants consumed diets associated with increased risk of heart disease and other chronic diseases. Women and older participants in general reported healthier nutrient intakes. Dietary intervention programs should educate American Indians about dietary modifications to reduce the risk of cardiovascular and other nutrition-related disorders.

Age Distribution↗

Adaptation to a standardized training program and changes in fitness in a large, heterogeneous population: the HERITAGE Family Study.

PURPOSE: This paper describes the variations in response to a standardized, computer-controlled training program. METHODS: Steady-state heart rate (HR) and oxygen intake (VO2) of 614 healthy, sedentary men and women aged 16-65 yr were measured during three cycle ergometer exercise tests. The HR associated with 55, 65, 70, and 75% of each subject's pretraining VO2max was used to prescribe exercise intensity. Subjects exercised three times a week, beginning at a HR associated with 55% VO2max for 30 min. Duration and intensity was gradually increased over 20 wk of training. The duration and HR of each training session were controlled by a computer. RESULTS: Using the linear relationship between HR, VO2 and power output (PO), PO were predicted for each of 60 training sessions at the respective programmed HR. The average ratio of the actual training HR to programmed HR was 0.99. It was hypothesized that participants whose actual training PO exceeded their predicted PO would improve VO2max more than those whose actual PO was less than their predicted PO. Using the ratio of actual/predicted PO determined after the training was over, participants were arbitrarily assigned to three groups: 128 participants had low (LO) ratios (0.65-0.84), 408 had average (AV) ratios (0.85-1.14), and 78 had high (HI) ratios (1.15-1.34). Secondary analysis showed that the training program significantly increased mean VO2max of all three groups. Those who had a smaller increase in training PO (LO) had significantly less increase in VO2max than those with larger increases in PO (HI). CONCLUSION: People who exercise at a HR associated with the same %VO2max can vary substantially in their training PO, in their rate of increase in PO over a 20-wk training program, and in improvement of their VO2max.

Adaptation, Physiological↗

Chickenpox immunisation in New Zealand.

PREVENTION: The appropriate use of varicella vaccine, effective in the prevention of chickenpox, has been considered by a Ministry of Health Working Party in 1996 and 1997, including discussion at a workshop held in Wellington, 26-27 June 1996. The introduction of varicella vaccine into the routine childhood immunisation schedule was not supported at this stage. The use of the only varicella vaccine for which the Minister of Health has given consent for distribution in New Zealand, Varilrix (SmithKline Beecham Limited), in healthy children aged nine months to 13 years inclusive, was supported. Consent has not been given for the use of Varilrix in immunocompromised people or in adults. This report discusses other groups that could be candidates for vaccination, such as children with deteriorating renal function and susceptible health care workers who regularly come into contact with especially vulnerable patients. In these cases, the vaccine would need to be administered on a named patient basis. The use of Varilrix in immunocompromised people was not supported. SURVEILLANCE: Enhanced surveillance of chickenpox and zoster are required in New Zealand. Adverse reactions to Varilrix should be carefully monitored. OUTBREAK CONTROL: There are insufficient data at present to support the use of Varilrix in outbreak control. The frequency, cost and current management of nosocomial outbreaks should be ascertained. This information may also assist in the decision whether to incorporate a varicella vaccine into the routine childhood immunisation schedule in the future.

Adolescent↗

[Study of relationships between state of mental health and indicators of medical expenses].

OBJECTIVE: The purpose of this study is to determine the relationships between the state of mental health and indicators of medical expenses for inpatient, outpatient and dental services. METHODS: This study was conducted using data from 140 people (54 males and 86 females) who participated in a lifestyle intervention program. The result of General Health Questionnaire (GHQ)-30 survey performed in August 2003 was used as the indicator of mental health, whereas diagnoses based on International Classification of Diseases (ICD) 10 from medical expense claims in the 2003 fiscal year were used for disease classification by the Proportional Disease Magnitude (PDM) method. The subjects were classified into two groups by GHQ-30 score: low-score group (n=96) and high-score group (n=44). The differences between the two groups were compared by an unpaired t-test. RESULTS: For outpatient service in the high-score group, the medical expenses and the numbers of consulting days, medical expense claims and consultation cases at least two per month were significantly higher (p < 0.05) than those in the low-score group. However, there were no significant differences in the same indicators between inpatient and dental services. In the high-score group, the medical expenses of the XVIII group (symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified) of ICD10 were also significantly higher (p < 0.05) than those of the low-score group. CONCLUSIONS: The state of mental health is significantly associated with indicators of medical expenses for outpatient service. The medical expenses of a problematic non-mentally healthy group are significantly higher than those of a mentally healthy group.

Dental Care↗

Association of PDCD1 with susceptibility to systemic lupus erythematosus: evidence of population-specific effects.

OBJECTIVE: The A allele of the PD1.3 single-nucleotide polymorphism (SNP) on the programmed cell death gene PDCD1 was markedly more frequent in patients with systemic lupus erythematosus (SLE) than in unaffected controls in a recent study involving large sets of Swedish, European American, and Mexican families. This study sought to determine the role of PDCD1 in susceptibility to SLE in the Spanish population. METHODS: Seven PDCD1 SNPs were studied in 518 SLE patients and 800 healthy control subjects who had been recruited in 5 distant towns spanning continental Spain. Patients and controls were of Spanish ancestry. The diagnosis of SLE was in accordance with the American College of Rheumatology updated classification criteria. RESULTS: The A allele of the PD1.3 polymorphism was significantly less frequent in Spanish female patients with SLE than in Spanish female controls (9.0% versus 13.0%, odds ratio 0.67, 95% confidence interval 0.50-0.89). This difference was consistent across the 5 sets of samples grouped by town of recruitment. The other PDCD1 SNPs were not associated with SLE susceptibility. The haplotype structure of PDCD1 in the Spanish controls was different from that reported in other healthy control populations. CONCLUSION: Our results confirm the association of PDCD1 with susceptibility to SLE, but the findings show a lack of involvement of the PD1.3 SNP, which is contrary to the role of the PD1.3 A allele observed previously. These contradictory results probably reflect population differences in the haplotype structure of the PDCD1 locus. More research focusing on new polymorphisms and identifying associations in other populations will be needed to clarify the role of PDCD1 in SLE susceptibility.

Alleles↗

Increase in prevalence of obesity and diabetes and decrease in plasma cholesterol in a central Australian aboriginal community.

OBJECTIVE: To document change in prevalence of obesity, diabetes and other cardiovascular disease (CVD) risk factors, and trends in dietary macronutrient intake, over an eight-year period in a rural Aboriginal community in central Australia. DESIGN: Sequential cross-sectional community surveys in 1987, 1991 and 1995. SUBJECTS: All adults (15 years and over) in the community were invited to participate. In 1987, 1991 and 1995, 335 (87% of eligible adults), 331 (76%) and 304 (68%), respectively, were surveyed. MAIN OUTCOME MEASURES: Body mass index and waist: hip ratio; blood glucose level and glucose tolerance; fasting total and high density lipoprotein (HDL) cholesterol and triglyceride levels; and apparent dietary intake (estimated by the store turnover method). INTERVENTION: A community-based nutrition awareness and healthy lifestyle program, 1988-1990. RESULTS: At the eight-year follow-up, the odds ratios (95% CIs) for CVD risk factors relative to baseline were obesity, 1.84 (1.28-2.66); diabetes, 1.83 (1.11-3.03); hypercholesterolaemia, 0.29 (0.20-0.42); and dyslipidemia (high triglyceride plus low HDL cholesterol level), 4.54 (2.84-7.29). In younger women (15-24 years), there was a trembling in obesity prevalence and a four- to fivefold increase in diabetes prevalence. Store turnover data suggested a relative reduction in the consumption of refined carbohydrates and saturated fats. CONCLUSIONS: Interventions targeting nutritional factors alone are unlikely to greatly alter trends towards increasing prevalences of obesity and diabetes. In communities where healthy food choices are limited, the role of regular physical activity in improving metabolic fitness may also need to be emphasised.

Adolescent↗

Job satisfaction and health experience of people with a lower-limb amputation in comparison with healthy colleagues.

OBJECTIVES: To describe indicators of job dissatisfaction among amputee employees and to compare job satisfaction and health experience of working amputee employees with that of control subjects. DESIGN: A cross-sectional study, mailed questionnaire. SETTING: Patients were recruited by the orthopedic workshops of the Netherlands. PARTICIPANTS: One hundred forty-four patients who had an acquired unilateral major amputation of the lower limb at least 2 years before, were aged 18 to 60 years (mean age, 43y), and were living and working in the Netherlands. One hundred forty-four control subjects matched for age, gender, and type of job. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Statistical analysis of responses to a questionnaire regarding patient characteristics and amputation-related factors, amputee patients' opinions about their work and the social atmosphere at work, and their general health (RAND 36-Item Health Survey [RAND-36]). RESULTS: People with an amputation had greater job satisfaction (70%) than did the able-bodied control group (54%). The wish for (better) modifications in the workplace and the presence of comorbidity were significantly related to job dissatisfaction in people with limb loss. Amputee employees were less often hindered by the failures of others and by fluctuations in temperature. People with limb loss showed a worse physical health experience than controls on the RAND-36. CONCLUSIONS: The vocational satisfaction of people with limb loss may be improved by better workplace modifications, depending on the functional capabilities of the person and the functional demands of the job; improvement may also be achieved by vocational rehabilitation programs, especially for those with an amputation in combination with other morbidity. Despite experiencing more health problems, the amputee group expressed greater job satisfaction than the able-bodied group, reflecting a great appreciation of job reintegration by people with a lower-limb amputation.

Adolescent↗

An educational and behavioral approach toward increasing patient activation in hypertension management.

The shift in patterns of disease toward chronic illness necessitates greater patient participation in its management and their own rehabilitation, and they require greater social support over longer periods. Patient activation, or the enhancement of patient and support group involvement in personal health care through teaching management techniques and problem-solving skills, has emerged in healthy education in response to this need. This paper will examine combined educational and behavioral approaches to increasing social support and patient activation in hypertension management. Activation in this study involves increased feelings of personal control over the contingencies surrounding the management of medical regimens. Both family support intervention and small group sessions oriented to changing compliance behavior by changing expectancy frames were offered to a randomized sample of 200 inner city, black, hypertensive patients who were part of a larger study. Patients were examined within a pretest-posttest randomized factorial design on measures of locus of control, belief in seriousness, efficacy of treatment, medication compliance, and blood pressure control. This combined approach showed small differences on the attitude and behavioral measures but displayed a significant effect on the program outcome variable blood pressure control (62% in control among intervention groups versus 46% in nonintervention groups).

Black or African American↗

Low-income women's perceptions of family planning service alternatives.

A sample of 665 low-income women from a predominantly rural area of north central Florida rated the value of 25 features of family planning providers and reported their perceptions of how characteristic each feature was of different types of providers. A well-trained, trustworthy and friendly staff, the presence of a doctor if you need one and a staff that is gentle with the examination were the most desirable features of family planning services. The respondents' perceptions of public health clinics suggest that the strongest qualities of such facilities are that they treat people from different backgrounds, accept Medicaid, are easy to find and teach you how to avoid pregnancy and how to take care of yourself and stay healthy. Features thought most characteristic of private physician services were a well-trained staff, privacy and the presence of a doctor if you need one. Voluntary organizations were seen as providing services for people of different backgrounds, having a friendly staff, serving as a referral agency and teaching about staying healthy and avoiding pregnancy. However, voluntary organizations were rated lower than public health clinics or private physicians on nearly all features. The total scores for public health clinics and private physicians were not significantly different from each other, but both were noticeably higher than the score for voluntary organizations. Ethnicity affected ratings dramatically, with black respondents clearly more favorable toward public health clinics and private physicians than white respondents; conversely, whites were more positive toward voluntary organizations than were blacks. For many of these low-income respondents, the high ratings of private physicians may have represented their expectations rather than their actual experience.

Adolescent↗