[Growth in weight and height in children less than two years old in the IMSS].

Objective: To describe the physical growth in weight and height of children less than two years of age cared for the Mexican Institute of Social Security (IMSS).

Material And Method: A population-based National Survey, which was also regional representative, was carried out in Ordinary Regime (RO) and the IMSS-Oportunidades Program (IO). In two years (2000-2002) the study gathered data on 17,502 children from the RO and 9872 from IO.

[Hospital practice in neonatal period to prevent infant sudden death syndrome].

Objective: To describe hospital care for newborns in the Instituto Mexicano del Seguro Social (IMSS), as well as all the recommendations given to parents to prevent sudden infant death syndrome (SIDS) at home.

Material And Methods: There were twenty-eight IMSS hospitals randomly selected from four geographical areas of the country, under a stratified sampling method according to the number of births per year. The method used was newborns direct observation in the neonatal care areas, and to fill out a questionnaire applied by trained observers.

The social construction of anemia in school shelters for indigenous children in Mexico.

Indigenous children in school shelters in Mexico suffer from anemia in spite of food that is subsidized, prepared, and served to them. Economically and biomedically centered strategies to reduce anemia have achieved only partial and short-term success. An interdisciplinary team investigated the food security system of the school shelters and collected data through interviews and participant observation.

[Towards a Mexican normative standard for measurement of the short format 36 health-related quality of life instrument].

Objective: To present the results of the application of the short format 36 instrument (SF-36) in the Mexican states of Sonora and Oaxaca. The levels of quality of life were compared with those from Canada and the United States.

Material And Methods: The data were obtained using a survey on health service access, usage, and quality.

Association between serum concentration of apolipoproteins A-I and B with gallbladder disease.

Background: A total of 1,255 subjects attending a private health care facility in Mexico City were studied to evaluate the association of serum concentration of Apo A-I and Apo B with presence of gallbladder disease (gallstones or cholecystectomy).

Methods: A cross-sectional study was carried out. All participants provided data on sociodemographic status and previous diagnoses of type 2 diabetes, hypertension, cardiovascular events, alcohol consumption, and smoking habits.

[Iodine deficiency and other potential goitrogens in the persistence of endemic goiter in Mexico].

Objective: To measure the frequency of goiter and the presence of potential goitrogens in a sample of school-age children and pregnant women.

Methods: Cross-sectional study in a purposive sample in three regions, one with known high prevalence of goiter (Huejutla), one with unknown prevalence (Ixmiquilpan) and one with no expected deficiency (Pachuca). Children were sampled from schools and pregnant women from rural reference hospitals.