ABSTRACT Objectives: to analyze the factors associated with use of alcohol, tobacco and illicit drugs among Brazilian undergraduate students. Methods: observational, cross-sectional study, convenience sampling, conducted in 2014/2015, involving institutional data a self-completed online questionnaire, analyzed using measures frequency, central tendency/dispersion logistic regression. Results: 1...

OBJECTIVES To estimate the prevalence of youth who use cannabis but have never been tobacco smokers and to assess the characteristics that differentiate them from those using both substances or neither substance. DESIGN School survey. SETTING Postmandatory schools. PARTICIPANTS A total of 5263 students (2439 females) aged 16 to 20 years divided into cannabis-only smokers (n = 455), cannab...

OBJECTIVE This study examined associations between the family environment and children's television (TV) viewing and likelihood of being low-active. RESEARCH METHODS AND PROCEDURES In 2001, children were recruited from 19 primary schools in Melbourne, Australia. Parents completed a questionnaire about their child's TV viewing and the family environment. Children also completed a questionnaire...

BACKGROUND Data on risk factors for influenza-associated hospitalizations in low- and middle-income countries are limited. METHODS We conducted active syndromic surveillance for hospitalized severe acute respiratory illness (SARI) and outpatient influenza-like illness (ILI) in 2 provinces of South Africa during 2012-2015. We compared the characteristics of influenza-positive patients with SAR...

Results: The percentage of persons with activity limitation was 12.1% of men and 15.6% of women. For men, low body mass index (BMI) (AOR: 2.02, p=0.008), high blood pressure (AOR: 1.53, p=0.021), high hemoglobin A1c (HbA1c) (AOR: 1.99, p=0.000), a small number of steps (AOR: 1.68, p=0.002), and high intake of salt (AOR: 0.69, p=0.010) were significantly associated with limitation of activity. F...