Table 2.
Hazard ratios (95 % confidence Intervals) in the stratified analysis comparing mortality risk related to leisure time physical activity of patients with high versus low depression and high versus low social support
| High depressiona | Low depressiona | p-value interaction term | High social supporta | Low social supporta | p-value interaction term | |
|---|---|---|---|---|---|---|
| HR b (95 % CI) | HR b (95 % CI) | HR b (95 % CI) | HR 2 (95 % CI) | |||
| No LTPA: Reference category | 1 | 1 | 1 | 1 | ||
| Irregular LTPA | 0.80 (0.52, 1.24) | 0.63 (3.4, 1.15) | 0.63 | 0.82 (0.47, 1.43) | 0.69 (0.44, 1.09) | 0.56 |
| 1–150 min | 0.43 (0.25, 0.75) | 0.69 (0.36, 1.32) | 0.08 | 0.71 (0.39, 1.27) | 0.40 (0.21, 0.77) | 0.09 |
| 151–300 min | 0.28 (0.13, 0.58) | 0.45 (0.23, 0.88) | 0.41 | 0.40 (0.20, 0.80) | 0.30 (0.14, 0.62) | 0.45 |
| >300 min | 0.48 (0.29, 0.81) | 0.42 (0.20, 0.86) | 0.82 | 0.38 (0.19, 0.79) | 0.51 (0.30, 0.87) | 0.10 |
| p for trend | >0.01 | >0.01 | 0.39 | >0.01 | >0.01 | 0.56 |
HR hazard ratio, CI confidence interval, LTPA leisure time physical activity
aBased on a cutoff value of median depression = 7 and median social support = 5.6
bHR adjusting for age and sex