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Physical activity, nutrition, and sedentary behaviour combine to influence the risk of overweight among adolescents. This paper aims to identify psychosocial factors of different health behaviour patterns in adolescents and its association with overweight and weight control behaviours. The 3069 adolescents of both genders (average of 14.8 years old) from(More)
The incidence of infection with HIV/AIDS among the heterosexual population has been increasing in young adults. The goal of this research was to deepen knowledge of preventive sexual behavior in Portuguese adolescents, including knowledge and attitudes about HIV/AIDS, and assessing whether they changed from 2002 to 2006. Data were collected through a(More)
The use of technology can be seen as an innovative challenge to restructure the teaching-learning process and integrate ICT in independent, collaborative and interactive work. The thoughts of 32 teachers and 36 students vis-à-vis a Course Management System from five undergraduate courses were analysed. A systematic content analysis was merged with a(More)
The use of technology can be seen as an innovative challenge to restructure the teaching-learning process and integrate Information and Communication Technologies (ICTs) in independent, collaborative and interactive work. The main purposes of this study are to understand users' needs and to identify their profiles, in order to empower the quality of online(More)
BACKGROUND This study examines associations between perceptions of neighbourhood environment and physical activity and sports within Portuguese adolescents. METHODS The sample consisted of 4,877 individuals of both genders, with an average age of 14 years. The instrument used was the Health Behavior School-aged Children questionnaire. RESULTS(More)
The purpose of this study is to examine the influence of peer groups and parents on adolescents' health. It was examined how communication relationships with peer groups and parents affect youngsters life satisfaction, sadness, irritability, being nervous, fear and troubles in falling asleep. The sample was comprised of individuals that participated in the(More)