The percentage of subjects remaining in the study (adherence) and achieving ≥ 150 min PA/wk (compliance) at the various test times. Shaded area indicates the 40-DAY PA intervention phase. 1 indicates a higher rate between the active controls and intervention subjects. 2 indicates a higher rate for the group subjects versus the pedometer subjects using Chi square analysis (p < 0.05). Compliance was calculated using ITT analysis.