Factors Associated With Body Image Perception Among Brazilian Students From Low Human Development Index Areas.

This study aimed to evaluate sociodemographic, behavioral, and individual factors associated with body image perception in a sample of adolescents from schools in low Human Development Index areas in Brazil. This cross-sectional study included 609 boys and 573 girls (aged 11-17 years). Body image perception (nine-silhouettes scale) and sociodemographic, behavioral, and individual variables were included.

The Effect of Educational Intervention Regarding the Knowledge of Mothers on Prevention of Accidents in Childhood.

Early guidance emphasizes the provision of information to families about growth and normal development in childhood such as specific information about security at home. This research aimed to analyze mothers' knowledge about the prevention of accidents in childhood before and after an educational intervention. It was conducted as a quasi-experimental study with 155 mothers in a Basic Health Unit in northeastern of Brazil in April and May of 2015.

Rationale and methods of a cluster-randomized controlled trial to promote active and healthy lifestyles among Brazilian students: the "Fortaleça sua Saúde" program.

Background: Interventions on adolescents' lifestyle are important, but the main mechanisms that explain the changes (mediating variables) on lifestyle are unclear. This paper presents the rationale and methods of an intervention program focused on promoting active and healthy lifestyles (especially physical activity [PA] practice and reducing screen time) among Brazilian students-the Fortaleça sua Saúde program (Portuguese for "strengthen your health").

Methods/design: This is a school-based cluster-randomized controlled trial.

Translation and validation of the parent-adolescent communication scale: technology for DST/HIV prevention.

Objectives: accomplishment of the transcultural adaptation of the Parent-adolescent Communication Scale, which evaluates the frequency of communication between parents and children concerning the subjects related to sex, condom, DST, HIV and pregnancy.

Method: Methodological research of quantitative approach, accomplished with 313 adolescent pupils of the feminine sex in the 14 to 18 year age group in Fortaleza-CE. The content validity was carried through by means of the initial translation, back translation, pre-final version and final version, being analyzed by a committee of specialists; the reliability was verified by the Cronbach's Alpha and ascertained by testing the hypotheses and test-retest within five weeks.