Life Sciences, University of Coimbra
Saturday 4:45-5:00, Ballroom B
Childhood obesity is a major health problem in Portugal. The aim of this study is to analyze the prevalence of childhood obesity in children aged 3.0-6.0 years old and the association of parental characteristics and child behaviors with child obesity.
A cross-sectional study was done in a sample of 8089 children, aged 3.0-6.0 y. Weight and height were measured. Overweight and obesity, using cut-off points as defined by the IOTF, were used. Data was analyzed using the chi-square test and the multivariate logistic regression analysis adjusted for age and sex. The prevalence of obesity (including overweight) in boys was 10.2% and in girls was 14.0%. The prevalence of obesity increased by time of TV viewing: < 2h, 23.2% and ≥ 2 h, 25,4%; decreased by active play < 2 h, 23,6% and ≥ 2 h, 28.6%; increased with breakfast skipping, yes 24.4% and no, 32.9%, increased with father obesity - father overweight, 26,9 and father obesity, 36.3% - and mother obesity, mother overweight, 31,1% and mother obesity, 38.2%; decreased with father educational level, 4 years, 29.0%, 6 y, 27.9%, 9y, 25.7%, 12y, 24.8% and > 12 years, 19.7% as well as mother educational level, 6 y, 30.1%, 6 y, 28.7%, 9y 26.2% 12y, 24.4% and > 12 y, 21.6%.
Portuguese schoolchildren showed a highest percentage of obesity what constitutes an important health problem in Portugal. Moreover, sedentary behaviors and unhealthy behaviors such as skipping breakfast were significantly associated with child obesity.