Food consumption and its association with leisure-time physical activity and active commuting in Brazilian workers.

Background/objectives: An in-depth understanding of the relationship between food consumption and physical activity is relevant since these behaviours could influence each other, while both have an effect on obesity and chronic diseases. In this context, the aim of this study was to investigate the effect of various combinations of food consumption (fruits, vegetables, sweets and snacks) on the associations with PA domains (leisure and commute) among Brazilian industrial workers.

Subjects/methods: This is part of a cross-sectional national survey developed in Brazil using data from the "Lifestyle and Leisure Habits of Industrial Workers" project.

Moderating effect of gross family income on the association between demographic indicators and active commuting to work in Brazilian adults.

Objective: To investigate the moderating effect of gross family income on the association between demographic indicators and active commuting to work in Brazilian adults.

Methods: Secondary analysis of the survey "Lifestyle and leisure habits of industry workers" (n=46,981), conducted in 24 Brazilian states (2006-2008). Self-reported information was collected with a previously tested questionnaire.

Active Commuting by Bicycle: Results of an Educational Intervention Study.

Objective: The objective of this study was to assess the effectiveness of an educational intervention on active commuting by bicycle.

Methods: An intervention study with workers from a metallurgical industry in Santa Catarina state, Brazil was carried out in 2011. A total of 464 individuals were placed in the intervention group (IG) and 468 in the control group (CG).

Trends in screen time on week and weekend days in a representative sample of Southern Brazil students.

Background: Economic and technological improvements can help increase screen time use among adolescents, but evidence in developing countries is scarce. The aim of this study was to examine changes in TV watching and computer/video game use patterns on week and weekend days after a decade (2001 and 2011), among students in Santa Catarina, southern Brazil.

Methods: A comparative analysis of two cross-sectional surveys that included 5 028 and 6 529 students in 2001 and 2011, respectively, aged 15-19 years.

Clustering of unhealthy behaviors in a Brazilian population of industrial workers.

Objective: To analyze the clustering of four unhealthy behaviors (tobacco use, excessive alcohol consumption, physical inactivity and low consumption of fruits and vegetables) and their association with sociodemographic factors among adult industrial workers in Brazil.

Methods: Data from 23 Brazilian states and the Federal District were collected via questionnaire from 2006 to 2008. Clustering of risk behaviors was identified using the ratio between the observed and expected percentages of each combination of unhealthy behaviors.

[Health risk behaviors among adolescents in the south of Brazil: prevalence and associated factors].

Objective: To determine the prevalence of health risk behaviors and to analyze factors associated with exposure to such behaviors among adolescents in the state of Santa Catarina in the south of Brazil.

Methods: Adolescents attending 240 high school classes at the state's public schools answered a questionnaire that collected demographics (sex, age, area of residence, and day versus night classes), social and economic data (working status and monthly family income), and information on health risk behaviors (insufficient levels of physical activity, low intake of fruits/vegetables, smoking, alcohol abuse, illicit drug use, involvement in physical fights, and irregular use of condoms).

Results: The completed questionnaires of 5 028 adolescents (2 984 females and 2 044 males), 15-19 years of age (mean = 17.