Risk factors of obesity among Brazilian adolescents: a case-control study

Risk factors of obesity among Brazilian adolescents: a case-control study

Autor Neutzling, M. B. Google Scholar
Taddei, Jose Augusto de Aguiar Carrazedo Autor UNIFESP Google Scholar
Gigante, D. P. Google Scholar
Instituição Univ Fed Pelotas
Universidade Federal de São Paulo (UNIFESP)
Resumo Objective: To study risk factors associated with overweight and obesity among adolescents enrolled in private high schools in the city of Pelotas, southern Brazil.Method, This was a case-control study. the subjects were 264 overweight (body mass index (BMI) greater than or equal to 85th percentile of the National Center for Health Statistics (NCHS) reference population) and 264 non-overweight (BMI > 5th and < 85th NCHS percentiles) adolescents identified by means of an anthropometric survey which included 1608 students. the adolescents were weighed, measured and interviewed about food habits and physical activity at school. Parents provided their own weights and heights when contacted by telephone, and parental BMI was calculated.Results. Hierarchical multiple conditional logistic regression showed that overweight and obesity were positively associated with mother's (odds ratio (OR) 2.86, 95% confidence interval (Cl) 1.43-5.74) and father's (OR 2.43, 95% Cl 1.37-4-30) BMI &GE;30 kg m(-2), being overweight before 10 years of age (OR 2.26, 95% Cl 1.30-3-90) and the habit of dieting (OR 3.53 95% Cl 1.76-7.22). Having more than three meals per day was found to be a protective factor against overweight and obesity (OR 0.54, 95% Cl 0.29-1.00).Conclusion. the present study showed that a family history of obesity, overweight during childhood and the habit of dieting for weight-loss purposes are factors associated with obesity during adolescence. the habit of having more than three daily meals turned out to be a protective factor against overweight. These results suggest the necessity for early intervention at the family and general community levels aimed at the prevention of obesity through actions directed towards the modification of established behaviours.
Assunto overweight
obesity
risk factors
adolescents
case-control study
Idioma Inglês
Data 2003-12-01
Publicado em Public Health Nutrition. Wallingford: C A B I Publishing, v. 6, n. 8, p. 743-749, 2003.
ISSN 1368-9800 (Sherpa/Romeo, fator de impacto)
Editor C A B I Publishing
Extensão 743-749
Fonte http://dx.doi.org/10.1079/PHN2003490
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000187494800004
URI http://repositorio.unifesp.br/handle/11600/27485

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