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OBJECTIVE To estimate the proportion of physically active adolescents and identify associated factors. METHODS The sample was composed of 2,874 high school students (public and private schools) aged 14 to 19 years in the city of João Pessoa, Northeastern Brazil. Physical activity level was measured by means of a questionnaire and considered physically(More)
BACKGROUND Hypertension is related to increased body fat, which can be evaluated by anthropometric indicators. OBJECTIVE To determine the predictive power of anthropometric indicators and establish their cutoff points as discriminators of high blood pressure. METHODS Cross-sectional study with a sample of 660 adolescents aged 14 to 19 including 51.9%(More)
BACKGROUND The prevalence of obesity and elevated arterial pressure (AP) has increased in children and adolescents, whereas physical activity has decreased. OBJECTIVE To identify and correlate excess weight, body fat and elevated AP among active and passive students with the way they commute to school. METHODS One thousand five hundred and seventy(More)
BACKGROUND Active commuting has decreased substantially in recent decades and has been more frequent in specific demographic and socioeconomic profiles. The objective of this study was to describe the prevalence of active trips and the possible associations with demographic and socioeconomic variables. METHODS A questionnaire on lifestyle and risk(More)
OBJECTIVE To examine perceived poor sleep quality and its association with unhealthy lifestyle and self-reported morbidities among Brazilian workers. METHODS This study was part of a national survey involving 47,477 workers who received a questionnaire about lifestyle. Chi-square tests and logistic regression (OR=Odds Ratio) were conducted. RESULTS Poor(More)
OBJECTIVE To analyze alcohol and tobacco use among Brazilian adolescents and identify higher-risk subgroups. METHODS A systematic review of the literature was conducted. Searches were performed using four databases (LILACS, MEDLINE /PubMed, Web of Science, and Google Scholar), specialized websites and the references cited in retrieved articles. The search(More)
OBJECTIVES To evaluate test-retest reproducibility and the validity of a physical activity questionnaire for adolescents (adapted from Self-Administered Physical Activity Checklist). METHODS The test-retest reproducibility analysis was completed by 239 adolescents (average age 16 years, SD = 1.2; 56.4% female), and the validity analysis by 70 adolescents(More)
The aim of this study was to determine the prevalence of cardiovascular risk factors in adolescents and to verify its association with age and gender. 644 high school students from public schools in the city of Londrina, Paraná State, Brazil, participated in the study. A two-step sampling process was used. Behavioral risk factors (physical inactivity,(More)
BACKGROUND Research has demonstrated that adolescents who actively commute have higher levels of physical activity (PA), which have declined precipitously over the past 30 years. The purpose of this study was to describe the prevalence of active commuting to school; and to identify barriers associated with active commuting. METHODS A cross-sectional study(More)