Table 3.
Odds ratios and 95 % confidence intervals of suicidal ideation by sleep type
| Sleep type | Model 1a | Model 2b | Model 3c | |||
|---|---|---|---|---|---|---|
| OR (95 % CI) | p value | OR (95 % CI) | p value | OR (95 % CI) | p value | |
| All Good Sleep | Reference | Reference | Reference | |||
| Owl | 3.61 (1.27–10.2) | 0.011* | 3.14 (1.07–9.16) | 0.037* | 2.56 (0.86–7.65) | 0.093 |
| Inefficient | 3.79 (1.31–11.0) | 0.010* | 3.80 (1.29–11.2) | 0.016* | 2.64 (0.86–8.05) | 0.089 |
| Short | 2.92 (0.96–8.83) | 0.049* | 3.15 (1.02–9.73) | 0.046* | 3.01 (0.96–9.47) | 0.059 |
| Owl + Inefficient | 3.74 (1.13–12.4) | 0.023* | 3.53 (1.04–12.0) | 0.044* | 2.67 (0.77–9.29) | 0.122 |
| Owl + Short | 5.95 (2.27–15.6) | <0.001* | 4.94 (1.84–13.3) | 0.002* | 3.76 (1.37–10.3) | 0.010* |
| Inefficient + Short | 6.06 (2.39–15.4) | <0.001* | 6.12 (2.36–15.8) | <0.001* | 4.49 (1.70–11.9) | 0.002* |
| All Poor Sleep | 10.7 (4.22–27.0) | <0.001* | 8.83 (3.39–23.0) | <0.001* | 6.02 (2.26–16.0) | <0.001* |
aUnadjusted (crude) OR
bAdjusted for age, gender, marital status, and company (omnibus test, p < 0.05; Hosmer–Lemeshow test, p > 0.1)
cAdjusted for age, gender, marital status, company, hopelessness, and nightmares (omnibus test, p < 0.05; Hosmer–Lemeshow test, p > 0.1)
* Significant difference