Data analysis
arthritis
ARTHRITIS
Among MOVE trial participants reporting an arthritic condition at baseline, 90 were lost to follow-up at 12 months with 109 lost at the 24-month data collection point. Mann-Whitney test and chi-square tests indicated that those who were lost to follow-up did not differ from those retained at 12 months post-baseline and 24 months post-baseline in terms of their physical activity levels (the primary outcome variable), socio-demographic, and socio-cognitive variables at baseline. In line with Bell et al. [The data analysis plan was developed at two levels of specificity: all participants with arthritis and those with arthritis by group allocation (i.e., control group and the two CRM strategy groups: Incentive