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OBJECTIVE To assess the impact of a 6 months nutrition education and physical activity intervention on primary school children through changes in adiposity and physical fitness. DESIGN Longitudinal school-based controlled evaluation study. SUBJECTS Children from 1st to 8th grade, 2141 in intervention and 945 in control schools. INTERVENTION Nutrition(More)
OBJECTIVES The purpose of this study was to analyse the determinants and consequences of the nutrition transition in Chile and describe the related health promotion policies. DESIGN AND SETTING This is a descriptive, population-based study including data on demographic, diet, nutrition and biomedical related variables. Data came from the Food and(More)
OBJECTIVE To compare trends in prevalence of overweight and obesity among Chilean children using three different criteria. METHODS Descriptive cross-sectional school-based study to analyse these trends in 6-y-old boys and girls who entered first grade in 1987, 1990, 1993, 1996 and 2000. Gender-specific prevalence of overweight and obesity were determined(More)
OBJECTIVE To assess the nutritional status, food consumption and physical activity (PA) habits of Chilean school children, as a baseline for developing an educational intervention. DESIGN Cross-sectional study. SUBJECTS A total of 1701 children from 3rd to 7th grade in nine schools located in three geographical regions. METHODS We determined body mass(More)
Obesity rates have increased markedly in Latin America, especially during the last 10-15 years, becoming a public health problem in most countries. Prevalence of obesity among preschool children remains low, while among schoolchildren it has increased considerably. Prevalence is high in the adult population, especially among women with less schooling. In(More)
OBJECTIVE To analyse the nutritional status component of the nutrition transition in Chile in relation to the evolution of obesity rates in all age groups until 2005, comparing these with the goals established by the Ministry of Health for the period 2000-2010. DESIGN AND SETTING A descriptive study which includes data on the nutritional status of the(More)
To describe Chile's stage of epidemiological transition, a descriptive study of the changes to the demographic and economic profile of this country during the last 20 years is presented. The decline in the total fertility rate from 3.4 in 1970 to 2.6 in 1992 and the important decrease in general and infant mortality rate has led to an increase of life(More)
BACKGROUND In the last decade, Latin America has experienced important transformations in its health conditions, due to demographic changes and a rapid urbanization process. AIM To analyze socioeconomic, demographic and epidemiological changes in Chile, Guatemala, Mexico and Uruguay and relate them to the different stages in the demographic and(More)
OBJECTIVE Obesity prevalence among Chilean children is 19.4%. The present study aimed to assess the effectiveness of a school-based obesity prevention programme. DESIGN Non-randomized controlled study. The intervention included activities in nutrition and physical activity, fully applied the first year and partially in the second one. Primary outcomes(More)
The influence of cigarette smoking on daily breast-milk volume was measured by the dose-to-mother deuterium-dilution method in 10 smoking and 10 nonsmoking mothers. After administration of deuterium to the mother, breast milk and infant saliva were sampled over 14 d and analyzed by mass spectrometry. Nonsmoking mothers had a significantly greater(More)