Table 6.

Sub-group analyses

Group	Participants (N)	Results (Mean ± SD)	p-Value	95% Confidence interval
All 24 hr PA studies	413	6.6% ± 6.3
24 hr PA Studies at lower risk of bias [35, 38]	65	7.8% ± 7.8	0.169	− 2.906 to 0.506
24 hr PA studies of Heart Failure patients [35]	27	7.3% ± 9.6	0.590	− 3.247 to 1.847
24 hr PA studies of COPD patients [32]	10	7.7% ± 5.6	0.585	− 5.043 to 2.843
All step count studies	1039	881.8 ± 1068.2
Step count studies at lower risk of bias [35, 39, 40]	405	875.8 ± 1106.2	0.924	− 117.883 to 129.883
Step count studies of heart failure patients [33, 35]	72	705 ± 970.8	0.172	− 76.918 to 430.518