Table 3 Multivariate logistic regression analysis predicting the incidence of sleep-related problems
Struggles at bedtime | Wakes up in negative mood | Hard time getting out of bed | Takes a long time to be alert | Has bad appetite in the morning | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | OR | (95% CI) | |
Model 1 (unadjusted) | ||||||||||
2100hG | 2.1 | (1.2-3.6)* | 1.2 | (0.6-2.2) | 2.6 | (0.8-8.2) | 2.4 | (0.9-6.3) | 1.5 | (0.7-3.3) |
2130hG | 1.8 | (1.0-3.5) | 1.8 | (0.9-3.5) | 5.4 | (1.7-17.4)** | 4.3 | (1.6-11.6)** | 3.7 | (1.7-8.3)** |
2200h or later G | 4.2 | (2.3-7.7)** | 2.2 | (1.2-4.2)* | 8.4 | (2.7-25.5)** | 4.5 | (1.7-11.8)** | 4.1 | (1.9-8.8)** |
Model 2 (adjusted for age, gender) | ||||||||||
2100hG | 2.0 | (1.1-3.5)* | 1.1 | (0.6-2.0) | 2.6 | (0.8-8.5) | 2.3 | (0.9-6.2) | 1.5 | (0.7-3.3) |
2130hG | 1.7 | (0.9-3.2) | 1.7 | (0.9-3.3) | 5.5 | (1.7-18.0)** | 4.0 | (1.5-11.1)** | 3.6 | (1.6-8.1)** |
2200h or later G | 3.6 | (1.9-6.7)** | 2.0 | (1.0-3.7)* | 8.2 | (2.6-25.4)** | 4.3 | (1.6-11.6)** | 3.8 | (1.7-8.4)** |
Model 3 (adjusted for age, gender, total sleep time, nap time, bedtime irregularity) | ||||||||||
2100hG | 1.8 | (1.0-3.3)* | 0.9 | (0.5-1.7) | 2.1 | (0.6-7.1) | 2.2 | (0.8-6.0) | 1.5 | (0.7-3.4) |
2130hG | 1.4 | (0.7-2.8) | 1.4 | (0.7-2.8) | 4.3 | (1.3-14.8)* | 3.9 | (1.4-11.3)* | 3.6 | (1.5-8.4)** |
2200h or later G | 2.9 | (1.5-5.6)** | 1.5 | (0.7-3.0) | 5.9 | (1.7-20.0)** | 4.1 | (1.4-12.0)* | 3.8 | (1.6-8.8)** |