Additional file 1 of Testing a physical education-delivered autonomy supportive intervention to promote leisure-time physical activity in lower secondary school students: the PETALS trial

Additional file 1: Appendix A Figure S1. Timeline of the PETALS Trial. Appendix B Table S1. Description of the Teacher-Training Program: Content and Matched Behavior Change Techniques for Each Session [90]. Appendix C Table S2. Measures, Data Collection Time Points, and Methods in the PETALS Intervention. Appendix D Processing of IPAQ Data [91]. Appendix E Table S3. Differences Between Completers and Non-Completers on Baseline Characteristics [67]. Appendix F Table S4. Descriptive and Reliability Statistics of Key Variables at Baseline [67]. Table S5. Pearson’s Correlations Between Key Variables at Baseline. Appendix G Table S6. Descriptive Statistics for Trans-Contextual Model Constructs over Time.