Table 3.
Predicted Daily Means (95% CI) Moderate to Vigorous Physical Activity by Treatment Phase and Average Temperature for Each Season
| Fixed temperature value/Treatment group | Baseline | Follow-up | Change from baseline to follow-up |
|---|---|---|---|
| 27° F | |||
| Increase PA | 27.0 | 35.1 | 8.11 (4.27, 11.94) |
| Decrease SB | 27.0 | 28.6 | 1.65 (−1.85, 5.15) |
| Difference | 6.45 (1.70, 11.21) | ||
| 51° F | |||
| Increase PA | 28.5 | 40.7 | 12.15 (9.88, 14.41) |
| Decrease SB | 28.5 | 30.6 | 2.07 (−0.11, 4.25) |
| Difference | 10.10 (7.03, 13.13) | ||
| 75° F | |||
| Increase PA | 30.1 | 46.3 | 16.19 (13.15, 19.23) |
| Decrease SB | 30.1 | 32.5 | 2.48 (−0.73, 5.69) |
| Difference | 13.71 (9.54, 17.88) | ||
| 56° F | |||
| Increase PA | 28.8 | 41.8 | 12.99 (10.78, 15.19) |
| Decrease SB | 28.8 | 31.0 | 2.15 (−0.05, 4.35) |
| Difference | 10.84 (7.80, 13.87) | ||
| p-value for three-way tx by time by average temperature interaction | 0.015 | ||
a
Average temperature reported represents average temperature for each seasonal period in Table 2. Continuous variable of average temperature used in regression equation. Season not controlled for in analysis.
tx, treatment; PA, physical activity; SB, sedentary behavior