Physical Activity 4 Everyone (PA4E1) is a physical activity program for secondary schools located in low-socioeconomic areas. Over a 24-month period, schools in the program arm of a cluster randomised controlled trial (n = up to 38 schools) will receive a multi-component implementation support strategy to embed the seven school physical activity practices of the PA4E1 program. This article describes the process evaluation of the PA4E1 hybrid implementation-effectiveness trial. The process evaluation aims to describe the fidelity and reach of the implementation support strategies using quantitative data; and to describe the acceptability, appropriateness and feasibility of the implementation support strategies and physical activity practices to school stakeholders using mixed methods. Quantitative and qualitative data will be collected from participants (Physical Education teachers, in-School Champions, students) in the program arm. Data collection will involve semi-structured interviews, focus groups, a fidelity monitoring log, a fidelity checklist, surveys, and routinely collected administrative and website data. Quantitative data will be analysed descriptively and qualitative data will be analysed thematically within and across data sets. Triangulation between data sources will be used to synthesise findings regarding the implementation and potential mechanisms of impact of PA4E1 on school physical activity practice adoption, with respect to context. Results of the process evaluation will facilitate the interpretation of the findings of the trial outcomes. It will comprehensively describe what was actually implemented and identify the potential contribution of the various components of the implementation support strategy to the school physical activity practice adoption outcomes. Findings will inform future improvement and scale-up of PA4E1 and approaches to implementing secondary school-based physical activity programs more broadly. Australian New Zealand Clinical Trials Registry ACTRN12617000681358 registered 12 May 2017.

中文翻译：

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一项针对青少年的按比例扩大的全校体育锻炼计划的混合实施效果试验的混合方法过程评估协议：体育锻炼4每个人（PA4E1）

体育锻炼4每个人（PA4E1）是针对低社会经济地区中学的体育锻炼计划。在24个月的时间内，集群随机对照试验（n =最多38所学校）的计划部门中的学校将获得多部分实施支持策略，以嵌入PA4E1计划的七个学校体育锻炼实践。本文介绍了PA4E1混合实施效果试验的过程评估。流程评估旨在使用定量数据来描述实施支持策略的保真度和范围；并使用混合方法向学校的利益相关者描述实施支持策略和体育活动实践的可接受性，适当性和可行性。计划组将从参与者（体育老师，校内冠军，学生）中收集定量和定性数据。数据收集将涉及半结构化访谈，焦点小组，保真度监视日志，保真度检查表，调查以及定期收集的管理和网站数据。定量数据将进行描述性分析，定性数据将在数据集中或跨数据集进行主题分析。数据源之间的三角测量将用于综合有关PA4E1对学校体育活动实践采用的影响的实施和潜在机制方面的发现。过程评估的结果将有助于解释试验结果的发现。它将全面描述实际实施的内容，并确定实施支持策略的各个组成部分对学校体育活动实践采用结果的潜在贡献。这些发现将为PA4E1的未来改进和推广以及更广泛地实施基于中学的体育锻炼计划的方法提供信息。2017年5月12日注册的澳大利亚新西兰临床试验注册中心ACTRN12617000681358。