Table 5 Subgroup analyses of primary outcome
Outcome | Intervention mean (SD) n | Control mean (SD) n | Adjusted difference in means between control and intervention within subgroup* (95% CI) | Interaction test P-value* | ||
|---|---|---|---|---|---|---|
Baseline | Follow-up | Baseline | Follow-up | |||
Daily minutes of moderate to vigorous physical activity (MVPA) | ||||||
Age (<median) | 55.2 (23.2) 61 | 56.3 (24.7) 61 | 63.2 (46.7) 77 | 60.6 (26.8) 77 | −1.9 (−9.8, 6.0) |  |
Age (≥median) | 54.9 (26.3) 81 | 51.0 (22.8) 81 | 53.6 (27.2) 103 | 48.9 (27.2) 103 | 1.6 (−5.5,8.6) | 0.496 |
Sex (Male) | 58.1 (24.8) 57 | 56.4 (23.7) 57 | 61.8 (50.1) 71 | 56.0 (31.3) 71 | 1.5 (−6.8, 9.9) |  |
Sex (Female) | 53.0 (24.9) 85 | 51.1 (23.6) 85 | 55.0 (24.9) 109 | 52.6 (25.0) 109 | −0.8 (−7.7, 6.2) | 0.664 |
Household income (below £30,000 or missing) | 52.4 (24.2) 32 | 54.4 (23.2) 32 | 54.6 (25.5) 41 | 53.8 (24.6) 41 | 2.6 (−8.3, 13.5) |  |
Household income (above £30,000) | 55.8 (25.2) 110 | 52.9 (24.0) 110 | 58.6 (39.8) 139 | 54.0 (28.5) 139 | −0.4 (−6.6, 5.8) | 0.628 |
Distance from work (2 km or less) | 58.7 (26.3) 20 | 57.2 (25.4) 20 | 59.9 (22.7) 12 | 64.5 (34.0) 12 | −6.8 (−23.2, 9.7) |  |
Distance from work (more than 2 km) | 54.7 (24.7) 121 | 52.9 (23.4) 121 | 57.3 (38.0) 164 | 53.1 (27.1) 164 | 0.4 (−5.5, 6.3) | 0.419 |