Compared to the attention control, intervention participants had significantly increased odds of meeting the U.S. recommended guideline of ≥ 150 min/week of at least moderate-intensity physical activity at 12 months for the modified CHAMPS (odds ratio [OR] = 2.86; 95% CI: 1.03–7.96; p = 0.04)
expert system-based, print-delivered physical activity intervention
control
moderate-equivalent physical activity at 12 months