Table 3.

Results of subgroup analyses stratified by self-reported and device measured moderate to vigorous intensity physical activity (MVPA, min/week)

Analysis and subgroups	No of participants	Mean difference (95% CI)	P value	Heterogeneity, I2 (%) (P value)
Self-reported MVPA min/week
Intervention intensity*
Brief	1708	11.0 (−5.6 to 27.5)	0.19	0 (0.69)
Multiple brief	1377	28.4 (−2.3 to 59.2)	0.07	70 (0.02)
Intensive	3159	29.6 (−7.0 to 66.2)	0.11	63 (0.004)
Interventionalist
PCHP only	3245	19.7 (−6.1 to 45.5)	0.13	36 (0.13)
PCHP and other	2999	25.9 (2.8 to 49.1)	0.03	78 (<0.001)
No of interventionalist contacts
<5	2385	19.0 (4.5 to 33.6)	0.01	6 (0.38)
≥5	3859	28.7 (2.6 to 54.7)	0.03	76 (<0.001)
Device measured MVPA min/week
Intervention intensity
Brief	859	0.6 (−4.1 to 5.3)	0.80	NA†
Multiple brief	2231	4.1 (−13.0 to 21.1)	0.64	64 (0.007)
Intensive	1608	9.3 (−3.1 to 21.8)	0.14	56 (0.08)
Interventionalist
PCHP only	3917	7.3 (−4.2 to 18.7)	0.21	64 (0.003)
PCHP and other	781	0.8 (−0.7 to 2.3)	0.31	0 (0.55)
No of interventionalist contacts
<5	3533	13.5 (−4.2 to 31.2)	0.13	70 (0.002)
≥5	1165	0.8 (−0.7 to 2.3)	0.29	0 (0.53)

PCHP=primary care health professional.

^*Brief (one session ≤30 min), multiple brief (more than one session ≤30 min), intensive (more than one session >30 min).

^†Results based on one study.