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PubMed1997

Histological types of gastric cancer in Mexico.

BACKGROUND: Gastric cancer is the second leading cause of malignant tumours in Mexico. The distribution of the histological types of this tumour has not been estimated from a population-based representative sample. METHODS: The histological types of gastric cancer according to the Lauren classification and selected socio-demographic characteristics for 220 patients from different socioeconomic levels are reported. The study population represents 66% of all new gastric cancer cases during 1989-1990 reported to the Mexico City Cancer Registry. The patients attended four public hospitals, seven social security hospitals and four private hospitals in Mexico City. A second histological diagnosis was performed by one pathologist. RESULTS: No specific histological type of gastric cancer predominated since the estimated distribution for intestinal gastric cancer was 44.5%, for diffuse gastric cancer 43.2% (and the remaining 12.3% corresponded to indeterminate tumours). The distribution of intestinal and diffuse gastric cancer did not vary significantly according to socioeconomic level or medical care unit and it showed a clear relationship with gender, the intestinal type of gastric cancer being more common among males. CONCLUSIONS: Mexico may not have been affected by the gastric cancer epidemic at the beginning of the twentieth century but the available information and the results of this study are only useful to demonstrate that, currently, no histological type of gastric cancer (according to Lauren's classification) predominates significantly in this country.

Female↗
PubMed1998

Evaluation of the cervical cancer screening programme in Mexico: a population-based case-control study.

BACKGROUND: This study presents the evaluation of the Mexico City Cervical Cancer Screening Programme (CCSP). Uterine cervical cancer (CC) is still a major public health problem in Mexico. Various actions aimed at reducing mortality from CC have been unsuccessful with an estimated 62000 deaths reported between 1980 and 1995. METHODS: The authors performed a study of cases and controls chosen on a population basis that included a sample of 233 cases of cancer in situ, and 397 cases of invasive cervical cancer obtained from eight hospitals, and a sample of 1005 controls representative of the general population. The results are presented stratified by case type, classified according to whether the cancer is invasive or not. RESULTS: The results show low impact of the cervical cancer screening programme in Mexico. Women who had a history of use of the Papanicolaou smear (PAP), who did not seek testing due to gynaecological symptoms and who had received their PAP results, had a 2.63 times lower risk of developing invasive cervical cancer (OR = 0.38; 95% CI: 0.28-0.52). CONCLUSIONS: The principal findings of this study in relation to the low impact of the screening programme in Mexico, are the low level of existing coverage and late use of health services by women at risk.

Adolescent↗
PubMed1977

Typhoid fever in the United States associated with the 1972-1973 epidemic in Mexico.

In 1972 and 1973 a nationwide outbreak of typhoid fever occurred in Mexico. The responsible strain of Salmonella typhi had a characteristic pattern of phage lysis, resembling the type A pattern, referred to as degraded Vi(A), and was resistant to chloramphenicol and other antimicrobial agents in vitro and in vivo. Eighty cases of infection with strains of S. typhi that were related to the Mexican epidemic strain were reported in the United States. The epidemic in Mexico subsided in mid-1973, and no further cases of typhoid fever due to chloramphenicol-resistant organisms were reported in the United States. Infections with chloramphenicol-sensitive strains of S. typhi with the phage lysis pattern of degraded (Vi(A) occurred in association with travel in Mexico before and after the height of the epidemic in Mexico. Although typhoid fever due to chloramphenicol-resistant organisms has not been reported in the United States since the subsidence of the Mexican epidemic, testing of isolates of S. typhi for antibiotic sensitivity is recommended because of the continued existence of resistant strains elsewhere.

Adolescent↗
PubMed1990

Molecular epidemiology of Shigella sonnei in Pima County, Arizona: evidence for a Mexico-related plasmid.

In 1984, the incidence of shigellosis was 32.4 per 100,000 population in Pima County, Arizona. To investigate sources, Shigella isolates and epidemiologic data were collected for 79 cases of infection with Shigella sonnei, the most common species. Since S. sonnei has a single serotype, plasmid isolation was attempted to refine the epidemiologic analysis. There were seven plasmid patterns containing 17, 13, 4, 22, 9, 2, and 3 isolates. Twelve of 17 isolates associated with recent travel to Mexico were in a group distinguished by a 5.1-kilobase (kb) plasmid. This plasmid was used to probe Southern blots of plasmids from strains of all groups. The Mexico-related plasmid probe hybridized to all the 5.1-kb plasmids and to 5.5- and 7.4-kb plasmids from three other groups. Of the 79 isolates, 50 contained plasmids homologous to the Mexico-related plasmid probe, suggesting association with travel to Mexico.

Arizona↗
PubMed1993

Cancer mortality among New Mexico's Hispanics, American Indians, and non-Hispanic Whites, 1958-1987.

BACKGROUND: Racial and ethnic differences in cancer incidence and mortality are well documented. New Mexico's ethnically and racially diverse population provides an opportunity to further examine ethnic and racial differences in cancer occurrence. PURPOSE: To address differences in cancer mortality among the state's Hispanics, American Indians, and non-Hispanic Whites, we examined mortality data collected from 1958 through 1987. METHODS: Sex and age-specific and age-adjusted cancer mortality rates were calculated for all sites and specific sites for American Indians, Hispanics, and non-Hispanic Whites. From 1958 through 1987, deaths due to malignant neoplasms were coded according to the International Classification of Diseases. The categories of malignant neoplasms investigated were chosen, in part, to minimize bias due to changes in disease classification. Ethnicity was assigned by the Bureau of Vital Statistics on the basis of information on death certificates. Denominators were derived from the censuses of 1960, 1970, 1980, and 1990. Age-standardized mortality rates were calculated for 5-year periods (1958-1962, 1963-1967, 1968-1972, 1973-1977, 1978-1982, and 1983-1987), with the 1970 U.S. population as the standard. We also examined age-specific rates by time period. RESULTS: Within each of New Mexico's ethnic groups, overall cancer mortality increased over the 30-year time span, and the cancer mortality rates were greater for males than for females. For most major cancer sites, mortality rates for New Mexico's non-Hispanic Whites were comparable with data for U.S. Whites. American Indians had the lowest rates for most sites, whereas cancer mortality rates for most sites among Hispanics were intermediate between the two other groups. However, Hispanics and American Indians had higher mortality rates for cancers of the gallbladder, cervix, and stomach compared with non-Hispanic Whites throughout most of the study period. Several other cancer sites showed major mortality rate differences among these racial and ethnic groups, including cancers of the colon, rectum, breast, bladder, lung, ovary, and uterus. We also observed strong temporal trends of increasing or decreasing mortality rates for several cancer sites. CONCLUSIONS: Race and ethnicity have been strong determinants of cancer mortality in New Mexico. Within the span of one generation, cancer mortality has changed substantially for some cancer sites in each of the population groups studied. IMPLICATIONS: These mortality data underscore the need for appropriately designed etiologic studies of cancer in diverse racial and ethnic groups. Such etiologic studies could provide new insights concerning risk factors for cancer and useful data for developing race- and ethnic-specific cancer control strategies.

Adult↗
PubMed1999

Dietary factors and the risk of gastric cancer in Mexico City.

Dietary factors play an important role in gastric cancer risk but have not been investigated extensively in Mexico. The authors conducted a population-based case-control study of gastric cancer in the Mexico City, Mexico, metropolitan area in 1989-1990. A total of 220 patients with histologically confirmed gastric adenocarcinomas were interviewed. Controls were an age-stratified random sample of residents of the Mexico City metropolitan area. The dietary questionnaire was a 70-item semiquantitative food frequency adapted for the Mexican diet. Odds ratios were calculated for quartiles of consumption of food groups and were adjusted for age, gender, calories, chili pepper intake, cigarette smoking, socioeconomic status, added salt, and history of peptic ulcer disease. There was approximately a threefold increased risk of gastric cancer for frequent consumption (highest quartile) of both fresh meat (odds ratio (OR) = 3.1) and processed meat (OR = 3.2). Odds ratios were also significantly elevated for frequent consumption of dairy products (OR = 2.7) and fish (OR = 2.2). The authors observed a decreasing gradient of risk with increasing frequency of vegetable consumption due to a significant inverse trend for the yellow and orange vegetables. High intake of citrus fruits showed a slight inverse association. Consumption of salty snacks more than twice per month was associated with an 80 percent increased risk, and there was a significant positive trend. These findings are consistent with many studies around the world that indicate important roles for salt, processed meats, and vegetable consumption in gastric cancer risk.

Adenocarcinoma↗
PubMed1996

Fostering the health of communities: a unifying mission for the University of New Mexico Health Sciences Center.

Fostering the health of communities can serve as a unifying mission of the academic health center (AHC), which can set the AHC apart from other health providers in the community. To achieve this mission, the University of New Mexico's AHC is increasingly focusing education, research, and service upon the identified health and service needs of communities in its state. Since major health problems in our society have social, behavioral, and economic roots, New Mexico's AHC has tapped into the broad expertise of its different components as well as that of its state and community partners to adequately address health problems in the community. Its hospitals offer financing and management resources, its colleges offer innovative approaches to community-based education, and the state department of health offers expertise in health policy development. To adequately respond to the complexity of community health needs, the different colleges and departments at New Mexico's AHC are increasingly merging into integrated governance units. Measures of community outreach success include evidence of strengthened community development, increased health care access, and improved indices of community health. New Mexico's AHC formed an interdisciplinary rural outreach task force, which has demonstrated its ability to form partnerships with state and local agencies and to mobilize institutional resources in education, research, and service from the AHC's different departments, colleges, and hospitals to respond promptly to unique community health needs. Evidence shows that such an integrated, coordinated AHC intervention can generate strong and lasting AHC-community alliances, improve the quality and economic viability of community health systems, and enhance the financial resources of the AHC.

Academic Medical Centers↗
PubMed2006

Celiac disease could be a frequent disease in Mexico: prevalence of tissue transglutaminase antibody in healthy blood donors.

INTRODUCTION/AIM: In North America and Europe, the prevalence of celiac disease (CD) might be much greater than expected in previous estimates. Until recently, the prevalence of CD in Latin America remained largely unknown. So far, information regarding CD in Mexico is limited, and it is still considered a rare disease. Our aim was to determine the prevalence of tTGA in a large group of apparently healthy blood donors. SUBJECTS AND METHODS: Serum samples from 1009 consecutive blood donors, who attended a third level referral center in Mexico City, were collected between June 2004 and December 2004. Only Mexican Mestizo individuals were included. All sera were tested with a new generation human recombinant protein based tTGA-IgA ELISA commercial kit (Aeskulisa tTG-IgA, Wendelsheim, Germany). The cut-off value provided by the manufacturer was 15 U/mL. RESULTS: The mean age of the blood donors was 34+/-10 years and 68% (n=683) were men. Six hundred fifty two subjects (65%) were born in Mexico City; and from the remaining 357 subjects, at least one was born in each of the 31 different states in our country. Twenty-seven (2.7%) blood donors were positive for tTGA-IgA; all of them with tTGA-IgA values above 30 U/mL (range 36 to 1639). Overall prevalence was 1:37 [27/1009, 95% confidence interval (CI)=1.6-3.7]. The prevalence among women was 1:33 (10/326, 95% CI=1.04-5.09) and for men 1:40 (17/683, 95% CI=1.24-3.73). CONCLUSIONS: On the basis of a well-recognized serologic screening method performed to blood donor samples, we demonstrated an unexpectedly high prevalence of tTGA positivity (2.6%) in the adult Mexican Mestizo population. Thus, the prevalence of CD in Mexico could be higher or similar to that observed in other countries. This observation contributes to increase the awareness for this under diagnosed disease in clinical practice and to consider CD as a global health problem.

Adolescent↗
PubMed1992

Water sanitation practices on the Texas-Mexico border: implications for physicians on both sides.

With the epidemic of cholera in South and Central America and reports of cholera in the Northern Hemisphere in Mexico, increasing concern focuses on sanitation problems along the border between the United States and Mexico. It is feared that binationally shared water supplies are threatened or contaminated by sewage and other wastes. Although much anecdotal information exists, surprisingly few hard data are available in the United States (or in Mexico, for that matter) regarding water quality on the Mexican side of the border. This shortage of data is felt most acutely in the semiarid portions of the border, where water is extraordinarily scarce. In 1987, researchers at the University of Texas School of Public Health (UTSPH) began gathering data on the availability, accessibility, and bacteriologic and chemical safety of raw and finished drinking water in Mexico at its border with Texas. In view of their timely significance, we wish to share pertinent data. This particular study was carried out in Ciudad Juarez, a city of more than 1 million people, situated just across the Rio Grande from the Texas city of El Paso. The investigation was conducted at the invitation and with the assistance of municipal authorities of Cd. Juarez. As far as we know, this was the first time the water in Cd. Juarez had been tested for indicator fecal bacteria and other selected contaminants.

Enterobacteriaceae↗
PubMed2004

Is induced abortion a contributing factor to tubal infertility in Mexico? Evidence from a case-control study.

OBJECTIVE: To determine the contribution of induced abortion to tubal infertility in Mexico. DESIGN: Population- and hospital-based case-control study. SETTING: Tertiary hospitals in Mexico City. SAMPLE: Women between 20 and 40 years with infertility and controls of the same age: 251 cases, 502 hospital controls, 502 neighbourhood controls. METHODS: A case-control study was conducted in four tertiary hospitals in Mexico City with 251 cases and 1004 controls (two hospital and two neighbourhood controls per case, matched by age [+/-2 years]). Cases were infertile women, aged 20-40, with tubal occlusion confirmed by laparoscopy. Controls were fertile women, who had carried a pregnancy to term within the last two years. Participants completed a previously validated questionnaire asking about reproductive history and induced abortion. RESULTS: Our study did not show an association between induced abortion and tubal infertility among women that did not relate both events (cases vs hospital controls: OR = 1.57, 95% CI: 0.29-8.65; cases vs neighbourhood controls: OR = 0.82, 95% CI: 0.07-8.99) using conditional logistic models adjusting by marital status, number of pregnancies, age at first sexual intercourse and history of pelvic inflammatory disease. In contrast, early age at sexual debut and history of pelvic inflammatory disease significantly increased the risk of tubal infertility. CONCLUSIONS: In Mexico, the lack of association between induced abortion and tubal damage causing infertility observed in this population might be explained by a shift toward "safer" abortion practices.

Abortion, Induced↗
PubMed2004

Post-diarrhea chronic intestinal symptoms and irritable bowel syndrome in North American travelers to Mexico.

OBJECTIVES: Irritable bowel syndrome (IBS) has been reported to complicate bacterial diarrhea. Because of the frequency of international travel and the common occurrence of bacterial diarrhea, we studied the occurrence of chronic gastrointestinal complaints and post-diarrhea IBS in North U.S. travelers to Mexico. METHODS: One hundred and sixty-nine healthy students were followed prospectively for 5 wk for the occurrence and etiology of diarrhea while studying for 5 wk in Mexico. Subjects recorded their symptoms during travel and completed a gastrointestinal symptom questionnaire 6 months after returning to the United States to determine the presence of IBS using the Rome II criteria. RESULTS: Ninety-seven (57%) subjects returned a completed questionnaire. Sixty-one (63%) developed diarrhea while in Mexico, mostly due to enterotoxigenic and enteroaggregative Escherichia coli. Six months after travel the following chronic symptoms were reported: loose stools, abdominal pain, and fecal urgency in 17 (18%), 17 (18%), and 9 (9%) respectively. Of the 60 patients surveyed who had acquired diarrhea in Mexico, 7 (11%) met the criteria for IBS 6 months later of which 6 (10%) were newly diagnosed. No identified pathogen in the initial illness was associated with the development of IBS. CONCLUSIONS: Chronic gastrointestinal complaints including IBS are common in returning travelers having experienced diarrhea. Postinfectious complications of traveler's diarrhea require further study for etiology and strategy for prevention.

Adult↗
PubMed2026

Preventable mortality in Mexico: bridging gaps in chronic disease and ageing care.

Preventable mortality remains a critical public health challenge in Mexico, with 819 672 deaths recorded in 2024. Of these, 37.21% in the general population were attributed to ischaemic heart disease (IHD) and diabetes mellitus. We analyse Instituto Nacional de Estadística y Geografía mortality data to assess disparities in cardiovascular mortality across age groups, sex and geographical regions, and to identify key gaps in Mexico's preventive care strategies. Age-standardised mortality rates (ASMRs) reveal persistently elevated cardiovascular mortality in northern states, including Chihuahua, Coahuila, Durango and Nuevo León, and in southeastern states, including Veracruz, Tabasco, Campeche and Yucatán. The burden is highly concentrated among older adults and geographically clustered in specific high-risk regions. These patterns reflect structural gaps in prevention, early detection and access to adequate care rather than unavoidable demographic change. Obesity, diabetes and hypertension form a pathophysiological triad that synergistically exacerbates cardiovascular disease through shared mechanisms and comorbidities. Despite substantial global declines in IHD mortality over the past two decades, Mexico continues to experience elevated and regionally extreme cardiovascular mortality, highlighting a failure to translate established global evidence into national practice. Drawing on evidence-based interventions implemented in comparable health systems, we propose seven scalable strategies: (1) expanding access to health services in underserved regions, (2) integrating preventive health programmes within primary care, (3) developing structured physical activity initiatives, (4) establishing a geriatric care framework, (5) promoting community-based nutrition and wellness programmes, (6) advancing gender-sensitive cardiovascular prevention across adulthood and ageing and (7) implementing school-based health education programmes. These interventions could substantially reduce cardiovascular mortality, lower healthcare costs and improve long-term population health outcomes in Mexico.

Humans↗
PubMed2003

Diagnosis and treatment of presumed STIs at Mexican pharmacies: survey results from a random sample of Mexico City pharmacy attendants.

OBJECTIVES: People in developing countries often seek medical advice for common ailments from pharmacies. As one example, pharmacists routinely diagnose and treat symptomatic sexually transmitted infections (STIs). We aimed to assess the quality of advice provided in Mexico City pharmacies by presenting hypothetical STI related syndromes and recording pharmacy attendants' suggested diagnoses and treatments. METHODS: We interviewed the first available attendant in each of a 5% random sample of Mexico City's pharmacies. We inquired about the training, age, and experience of the attendant and about the typical number of clients coming for treatment of suspected STIs. After considering three hypothetical case studies, attendants recommended diagnoses, treatments, and, sometimes, physician follow up. RESULTS: Most Mexico City "pharmacists" are actually clerks, with trained pharmacists rarely available on the premises. The average pharmacy attendant was 32 years old, with a median of 5 years' experience at that pharmacy, but very limited (if any) training. 62% reported seeing 10 or more clients with genital or vaginal infections per month. Depending on the case study, attendants provided appropriate diagnoses in 0-12% of cases, recommended appropriate treatments in 12-16% of cases, and suggested physician follow up for 26-67% of cases. CONCLUSIONS: In general, surveyed pharmacy personnel were unable to diagnose accurately or offer appropriate treatment advice when presented with classic, common STI symptoms. Given the volume of clients seeking advice from this source, training pharmacy attendants could significantly help to reduce the burden of disease associated with STIs in Mexico City.

Adolescent↗
PubMed1998

Non-ceremonial tobacco use among southwestern rural American Indians: the New Mexico American Indian Behavioural Risk Factor Survey.

OBJECTIVES: To ascertain non-ceremonial tobacco use among rural American Indians in New Mexico (United States). DESIGN: A geographically targeted telephone survey. SETTING: Rural New Mexico. PARTICIPANTS: American Indian residents aged 18 years and older. MAIN OUTCOME MEASURES: Prevalence of ever-smokers and current smokers of cigarettes and ever-users and current users of smokeless tobacco, number of cigarettes smoked, and prevalence of cigarette smoking quitting behaviour. RESULTS: Of the 1266 respondents, 38.5% (95% confidence interval (CI) = 34.5% to 42.1%) reported ever smoking, and 16.3% (95% CI = 13.5% to 19.0%) reported being current smokers. Current smokers averaged 7.6 (95% CI = 6.0 to 9.3) cigarettes per day. Current smoking prevalence was highest among men and lowest among college graduates. Prevalence of smokeless tobacco use was 24.1% for ever-use and 7.2% for current use and showed a strong male predominance of use. CONCLUSIONS: The prevalence of current smokers among rural American Indians in New Mexico was lower than among American Indians of other regions in the United States, all New Mexicans, and the national population as a whole. Although smoking prevalence was lower among American Indians in New Mexico, variation by sex and education followed the same patterns as reported among American Indians of other regions.

Adolescent↗
PubMed2006

Low prevalence of anti-hepatitis C virus antibodies in Mexico: A systematic review.

BACKGROUND: The prevalence of reactive tests to anti-hepatitis C virus (HCV) antibodies in Mexico is unknown, though estimated to be 1%. There is no single nation-wide study or comprehensive literature review addressing the epidemiology of HCV infection in Mexico. METHODS: We did a systematic review of English- and Spanish-language literature reporting on the frequency of anti-HCV antibodies in asymptomatic persons at low risk, of studies performed in Mexico. An exhaustive search in MEDLINE, IMBIOMED, MedicLatina, ARTEMISA and MEDIGRAPHIC databases was undertaken. Weighted mean prevalence (WMP) was calculated after combining the results of each study. RESULTS: 22 studies involving 825,377 persons at low risk, mainly blood donors, were identified. Crude seroprevalence reported in each study ranged from 0.1 to 2%, with 16 (73%) studies reporting below 1%. Overall, WMP of anti-HCV antibodies (tested by enzyme immunoassay) was 0.37% (95% CI, 0.36-0.38%), differing by country region and immunoassay generation (p < 0.01). The most frequent risk factor reported was blood transfusion. Confirmation of specific anti-HCV antibodies by recombinant immunoblot assay ranged from 30 to 100%, whereas confirmation of viremia by PCR ranged from 16 to 80%. In 3 studies on HCV genotype frequency, genotype 1 had crude prevalence ranging from 63 to 70%, subtype 1b being the most prevalent (21-47%). CONCLUSIONS: The prevalence of anti-HCV antibodies in Mexico might be lower than previously estimated. Transfusion of blood products is the main risk factor. HCV subtype 1b is the most prevalent among persons with confirmed viremia. Information of a nation-wide survey is mandatory.

Adolescent↗
PubMedDate not supplied

Mortality from cervical carcinoma in Mexico: impact of screening, 1980-1990.

OBJECTIVE: To determine the temporal mortality trends of uterine cervical cancer in Mexico for the period 1980-1990. STUDY DESIGN: In Mexico, data from death certificates are collected in a national repository at the National Institute of Statistics, Geography and Informatics. These data were analyzed to obtain mortality trends, and regional variations were obtained for the same period using a Poisson regression model. RESULTS: The official mortality figure for cervical cancer for the study period was 37,982 cases. Subregistration due to misclassification was evident, particularly in the first five years of the study period; however, poor quality of information was proportionally distributed across the different age groups. A standardized analysis by quinquennia showed a steady mortality trend during the last 10 years, with slightly upward significant trends within some age groups (beta=0, P<.05). High regional variations in cervical cancer mortality risks were found using a Poisson regression model. Twenty-four states in Mexico showed an increased mortality risk when compared with Mexico City; seven states showed a steady or downward trend. CONCLUSION: The results show the ineffectiveness of the cancer screening program, underscoring the need to ensure access to and the quality of the cervical cancer screening program in order to decrease mortality rates.

Adult↗
PubMed1994

Prevalence of hypertension in Mexico City and San Antonio, Texas.

BACKGROUND: Few data are available on the prevalence of hypertension in Mexico. METHODS AND RESULTS: We compared the prevalence of mild hypertension (systolic blood pressure > or = 140 mm Hg and/or diastolic blood pressure > or = 90 mm Hg and/or use of antihypertensive medications) in 1500 low-income Mexican Americans who participated in the San Antonio Heart Study and 2280 low-income Mexicans who participated in the Mexico City Diabetes Study. The crude prevalence of mild hypertension was 17.1% in Mexican men versus 24.4% in Mexican American men (P = .001) and 17.4% in Mexican women versus 22.0% in Mexican American women (P = .005). After adjustment for age, body mass index (BMI), waist-to-hip ratio (WHR), non-insulin dependent diabetes mellitus (NIDDM), educational attainment, and percent native American genetic admixture (Caucasian and native American), the odds ratio (Mexico City/San Antonio) was 0.55 (95% CI, 0.39, 0.77; P < .001) in men and 0.81 (CI, 0.54, 1.12; P = .201) in women. In a pooled model including both men and women, the odds ratio was 0.67 (95%, CI, 0.53, 0.84; P < .001). In the pooled model, city, age, female sex, NIDDM, BMI, WHR, and low educational attainment were significantly related to the prevalence of hypertension. CONCLUSIONS: The causes for these differences in hypertension prevalence are not known but may reflect a less modernized lifestyle in Mexico City, including greater physical activity, less obesity, and the consumption of a high-carbohydrate, low-fat diet.

Adult↗
PubMed1999

A study of tuberculosis among foreign-born Hispanic persons in the U.S. States bordering Mexico.

In 1996, 10% of the 20,973 U.S. tuberculosis (TB) cases were among foreign-born (FB) Hispanic persons, with the four states bordering Mexico accounting for 83% of FBH cases. Limited information is available on this population's health care seeking and migration practices and on differences between FB Hispanic patients in border and nonborder areas. Therefore, we conducted interviews and record reviews for all consenting FB Hispanic TB patients from eight counties bordering Mexico (BC; n = 167) and seven urban nonborder counties (NBC; n = 158) in these States during 1995-1997. BC patients had resided in the U.S. longer than NBC patients (17.4 versus 10.8 yr; p < 0.01), had immigrated more often from Mexican border communities (62.4% versus 25.4%; p < 0.01), and had returned to Mexico more often in the past 12 mo (71.5% versus 47.3%; p < 0. 01). TB symptoms were present for >/= 6 mo in 37% of BC and 34% of NBC patients. Binational collaboration is essential for improving TB control in both countries and should extend beyond border areas of Mexico.

Adult↗