YOUTH ENVIRONMENTS PROMOTING NUTRITION AND ACTIVITY

描述（改编自研究者摘要）：本研究将测试 理论驱动的青年+基于成人的环境变化干预 可以在中学生中建立和维持有针对性的饮食和活动行为， 青年 本研究建议测试学校环境及 促进水果和蔬菜消费的课程干预， 身体活动（PA）及其环境决定因素。 项目 涉及目标设定和功效建设干预措施，旨在发展 成人学校工作人员和学生的技能和集体效能。 以成人为基础的干预措施旨在改变学校环境 通过一个由当地协调员协助的学校联盟， 干预措施涉及学生参与的过程中， 建立当地的健康行为环境， 和课后活动环境。 八所学校将随机 分配给实验条件，8个分配给对照（无处理）条件。 F&V和PA行为的测量将于2009年春季进行。 6级（基线）、7级、8级和9级，构成主要结局， 并将通过自我报告进行评估，并通过以下客观措施进行验证： 学校午餐采购和体育活动监测。 的影响 这个项目是关于假设的个人、环境和行为 F&V和PA的决定因素也将被测量。 过程评价 将监测环境变化、项目实施和系统 变化

DESCRIPTION (adapted from investigator's abstract): This study will test whether theory-driven youth + adult-based environmental change interventions can build and sustain targeted diet and activity behaviors among middle school youth. The study proposes to test the effects of school environment and curriculum interventions promoting fruit and vegetable (F&V) consumption, physical activity (PA), and their environmental determinants. The project involves goal-setting and efficacy building interventions designed to develop the skills and group efficacy of both adult school personnel and students. The adult-based interventions are designed to change the school environments through a school coalition assisted by a local coordinator; the youth interventions involve the participation of students in the processes of building the local health behavior environments, targeting both school lunch and after school activity environments. Eight schools will be randomly assigned to experimental and eight to control (no treatment) conditions. Measurement of F&V and PA behaviors will be conducted in the spring of 6th (baseline), 7th, 8th, and 9th grades, constituting primary outcomes, and will be assessed by self-report and verified by objective measures of school lunch purchases and physical activity monitoring. The impact of the program on hypothesized personal, environmental, and behavioral determinants of F&V and PA will also be measured. Process evaluation will monitor environmental change, program implementation, and system changes.