Table 6.
Moderating role of number of alcoholic drinks on the relationships between physical activity and sleep
| Sleep duration | Sleep fragmentation | WASO | |
|---|---|---|---|
| Total physical activity duration | b (SE) | b (SE) | b (SE) |
| Intercept | 445.45 (8.17)*** | 15.62 (0.84)*** | 34.07 (2.00)*** |
| Day | −2.72 (2.69) | 0.16 (0.19) | −0.62 (0.51) |
| Age | 0.41 (0.73) | 0.12 (0.08) | 0.40 (0.19)* |
| Gender | −31.31 (11.81)* | 1.05 (1.30) | −3.82 (3.06) |
| Physical activity (WP) | 0.01 (0.07) | −0.005 (0.005) | 0.002 (0.01) |
| Physical activity (BP) | −0.19 (0.07) | 0.003 (0.01) | −0.01 (0.02) |
| Alcohol use (WP) | 1.01 (4.07) | 0.83 (0.29)** | 2.29 (0.77)** |
| Alcohol use (BP) | 21.61 (8.91) | 1.03 (.95) | 4.40 (2.26) |
| Physical activity (WP)*Alcohol use (WP) | −0.01 (0.05) | −0.003 (0.004) | −0.004 (0.01) |
| Physical activity (BP)*Alcohol use (BP) | −0.10 (0.09) | −0.02 (0.01) | −0.04 (0.02) |
| Physical activity (WP)*Alcohol use (BP) | −0.08 (0.10) | 0.02 (0.01)** | 0.05 (0.02)* |
| Vigorous physical activity duration | b (SE) | b (SE) | b (SE) |
| Intercept | 447.72 (8.62)*** | 15.52 (0.84)*** | 34.56 (2.01)*** |
| Day | −3.39 (2.69) | 0.14 (0.20) | −0.78 (0.52) |
| Age | 0.51 (0.81) | 0.12 (0.08) | 0.38 (0.20) |
| Gender | −39.92 (12.31)** | 1.15 (1.26) | −4.32 (2.98) |
| Physical activity (WP) | −0.06 (0.46) | 0.02 (0.03) | 0.05 (0.09) |
| Physical activity (BP) | −0.40 (0.88) | −0.19 (0.09)* | −0.42 (0.21)* |
| Alcohol use (WP) | 1.32 (3.90) | 0.74 (0.28)** | 1.92 (0.75)* |
| Alcohol use (BP) | 25.40 (10.52) | 0.26 (1.07) | 3.96 (2.53) |
| Physical activity (WP)*Alcohol use (WP) | 0.99 (0.40)* | −0.06 (0.03)* | −0.02 (0.08) |
| Physical activity (BP)*Alcohol use (BP) | 0.05 (1.95) | −0.34 (0.20) | −0.38 (0.47) |
| Physical activity (WP)*Alcohol use (BP) | −.84 (0.94) | −.005 (0.07) | −0.18 (0.18) |
wp = within-person. bp = between-person. Table reports unstandardized coefficients (b) with standard errors (SE) in parentheses.
*p < .05, **p < .01, ***p < .001.