Process evaluation of a school-based overweight and obesity screening strategy in adolescents.

The PRALIMAP (PRomotion de l'ALIMentation et de l'Activité Physique) trial highlights the effectiveness of implementing a screening strategy in high schools to prevent overweight/obesity among adolescents. The strategy comprises three steps: i) body measurements to detect overweight/obese adolescents, ii) a medical interview with each adolescent identified to discuss the findings, and iii) an adapted care management consisting of seven group educational sessions. A process evaluation was conducted in the PRALIMAP trial to assess the effective implementation of the screening strategy activities, and the participation of adolescents and school professionals in them, from a qualitative and a quantitative point of view.

Overweight and obesity prevention for adolescents: a cluster randomized controlled trial in a school setting.

Background: Given the increasing prevalence of obesity among youth over the past decade, prevention has become an international public health priority.

Purpose: To evaluate the 2-year effectiveness of three strategies aimed at preventing overweight and obesity among adolescents in a high school setting.

Design: PRomotion de l'ALIMentation et de l'Activité Physique (PRALIMAP) is a school-based RCT.

Intervention dose estimation in health promotion programmes: a framework and a tool. Application to the diet and physical activity promotion PRALIMAP trial.

Background: Although the outcomes of health promotion and prevention programmes may depend on the level of intervention, studies and trials often fail to take it into account. The objective of this work was to develop a framework within which to consider the implementation of interventions, and to propose a tool with which to measure the quantity and the quality of activities, whether planned or not, relevant to the intervention under investigation. The framework and the tool were applied to data from the diet and physical activity promotion PRALIMAP trial.

PRALIMAP: study protocol for a high school-based, factorial cluster randomised interventional trial of three overweight and obesity prevention strategies.

Background: Given the increase in overweight and obesity prevalence in adolescents in the last decade, effective prevention strategies for these conditions in adolescents are urgently needed. The PRALIMAP (Promotion de l'ALImentation et de l'Activité Physique) trial aims to evaluate the effectiveness for these conditions of 3 health promotion strategies--educational, screening and environmental--applied singly or in combination in high schools over a 2-year intervention period.

Methods: PRALIMAP is a stratified 2 × 2 × 2 factorial cluster randomised controlled trial including 24 state high schools in Lorraine, northeastern France, in 2 waves: 8 schools in 2006 (wave 1) and 16 in 2007 (wave 2).

School injury and gender differentials: a prospective cohort study.

This study assessed the role of certain individual characteristics in school injury among male and female adolescents. The sample included 2,398 subjects attending middle schools and high schools. Respondents completed a self-administered questionnaire at the beginning of the school year.