Self-reported physical activity.

Data are given as numbers with percentages in parenthesis.* Valid questionnaires for 19 patients at baseline and 21 patients at follow-up in the intervention group, and 22 patients at baseline and follow-up in the control group.Self-reported physical activity.

数据以数值形式呈现，括号内标注对应百分比。* 干预组基线阶段有19名患者提供有效问卷，随访阶段有21名患者提供有效问卷；对照组基线与随访阶段均有22名患者提供有效问卷。本次采集的数据为受试者自我报告的身体活动情况。