Predicting Outcomes from Engagement With Specific Components of an Internet-Based Physical Activity Intervention With Financial Incentives: Process Analysis of a Cluster Randomized Controlled Trial

Jennifer M Murray   ¹ , BSc, PhD ;   David P French   ² , BSc, MSc, PhD ;   Christopher C Patterson   ¹ , BSc, MSc, PhD ;   Frank Kee   ¹ , MSc, MD ;   Aisling Gough   ¹ , BSc, PhD ;   Jianjun Tang   ³ , BS, MS, PhD ;   Ruth F Hunter   ¹ , BSc, PhD

¹ Centre for Public Health, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, United Kingdom

² Manchester Centre of Health Psychology, School of Health Sciences, University of Manchester, Manchester, United Kingdom

³ School of Agricultural Economics and Rural Development, Renmin University of China, Beijing, China