[Cooccurrence of obesogenic risk factors in Brazilian adolescents: the role of sociodemographic characteristics and parental presence].

The study aimed to estimate the prevalence of cooccurrence of obesogenic risk factors in Brazilian adolescents and associated sociodemographic and family characteristics. This is a cross-sectional study of data from the Brazilian National School Health Survey, 2009 (n = 53,274). The outcome variable (cooccurrence of obesogenic risk factors) varied from zero to five and was obtained as the sum of the risk behaviors: daily consumption of soft drinks; daily consumption of candy; insufficient consumption of fruits; insufficient consumption of vegetables; and insufficient physical activity.

Sociocultural factors related to the physical activity in boys and girls: PeNSE 2012.

Objective: To verify in male and female Brazilian adolescents the association of demographic, psychosocial, behavioral and sociocultural characteristics with the regular practice of physical activity.

Methods: The sample consisted of 109,104 adolescents from all Brazilian states attending the 9th year of elementary education in 2012. The response variable was the regular practice of physical activity (300+ minutes/week).

Soft drink consumption and body mass index in Brazilian adolescents: National Adolescent Student Health Survey.

Objective: To estimate the association between soft drink consumption and body mass index (BMI) in eutrophic and overweight adolescents.

Methods: We used data from the National Adolescent Student Health Survey (Pesquisa Nacional de Saúde do Escolar - PeNSE) of 2009. The dependent variable (outcome) was the tertiles of BMI score (zBMI), and the main independent variable (exposure) was the consumption of sugar-sweetened soft drinks.

Overweight in men and women among urban area residents: individual factors and socioeconomic context.

The present study aimed to evaluate factors associated with overweight among adults living in urban areas, with the income of the census tract as a context variable. The survey assessed individuals from two health districts of Belo Horizonte, Minas Gerais State, Brazil. Excess weight was determined by body mass index > 25kg/m2.

Anthropometric and biochemical parameters in adolescents and their relationship with eating habits and household food availability.

Objectives: To evaluate the per capita availability of energy and macronutrients in the home and frequency of food consumption by adolescents and to relate them with anthropometric and biochemical variables, as well as verify if the eating habits of parents are associated to the children.

Methods: We evaluated the weight, height, body fat (%BF), glucose, insulin, triglycerides, total cholesterol (TC) and fractions of 120 adolescents. We evaluated also the eating habits of adolescents and their parents.