Table 2.
Estimated Means (95% CI) in Minutes/Week for MVPA by Intervention Group for Assessment Visits for Different Thresholds Using Constrained Mixed Effects Models
| MVPA Threshold | Time Point | Estimated Mean (95% CI) for Intervention Groups | Intervention Effect (95% CI); p value |
|
|---|---|---|---|---|
| HE | PA | |||
| Individualized | Adjusted baseline | 132.5 (124.7, 140.4) | ||
| 6 months | 134.7 (123.8, 145.6) | 178.5 (167.6, 189.4) | 43.8 (30.6, 57.0); <.001 | |
| 12 months | 120.3 (111.4, 129.2) | 149.6 (140.6, 158.6) | 29.3 (18.9, 39.6); <.001 | |
| 24 months | 99.3 (90.0, 108.6) | 129.6 (120.2, 139.0) | 30.3 (19.0, 41.6); <.001 | |
| Average FU effect | 118.1 (109.8, 126.4) | 152.6 (144.2, 160.9) | 34.5 (25.3, 43.7); <.001 | |
| Decline from 6 to 24 months | –35.4 (–45.1, –25.6) | –48.9 (–58.7, –39.1) | 13.5 (–0.3, 27.3); .055 | |
| 760 | Baseline visit | 196.8 (187.8, 205.8) | ||
| 6-month visit | 202.8 (189.2, 216.4) | 247.0 (233.4, 260.6) | 44.2 (26.8, 61.6); <.001 | |
| 12-month visit | 174.0 (163.7, 184.2) | 217.3 (206.9, 227.6) | 43.3 (31.0, 55.6); <.001 | |
| 24-month visit | 151.8 (141.3, 162.3) | 190.1 (179.5, 200.7) | 38.3 (25.2, 51.5); <.001 | |
| Average FU effect | 176.2 (166.6, 185.8) | 218.1 (208.5, 227.8) | 42.0 (30.7, 53.2); <.001 | |
| Decline from 6 to 24 months | –51.0 (–63.4, –38.7) | –56.9 (–69.3, –44.5) | 5.9 (–11.6, 23.4); .511 | |
| 1041 | Baseline visit | 107.6 (101.4, 113.8) | ||
| 6-month visit | 111.7 (102.4, 121.0) | 152.1 (142.8, 161.4) | 40.4 (28.3, 52.5); <.001 | |
| 12-month visit | 95.1 (87.8, 102.3) | 131.3 (123.9, 138.6) | 36.2 (27.2, 45.2); <.001 | |
| 24-month visit | 82.1 (74.9, 89.3) | 111.2 (104.0, 118.5) | 29.2 (19.9, 38.4); <.001 | |
| Average FU effect | 96.3 (89.6, 102.9) | 131.5 (124.8, 138.2) | 35.3 (27.2, 43.3); <.001 | |
| Decline from 6 to 24 months | –29.6 (–37.9, –21.2) | –40.8 (–49.2, –32.4) | 11.2 (–0.6, 23.1); .062 | |
Notes: FU = follow-up visit; HE = health education; PA = physical activity.