Table 2.
Multivariate results for risk of work injury associated with sleep problems
| Men |
Women |
|||
|---|---|---|---|---|
| Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | |
| Trouble sleeping*^ | ||||
| Never (ref) | 1.00 | 1.00 | 1.00 | 1.00 |
| Sometimes | 1.19 (1.05, 1.35) | 1.07 (0.94, 1.22) | 1.41 (1.17, 1.71) | 1.26 (1.03, 1.54) |
| Most of the time | 1.55 (1.27, 1.89 | 1.25 (1.01, 1.55) | 2.27 (1.84, 2.80) | 1.54 (1.25, 1.91) |
| Weighted population | 7,489,477 | 7,219,813 | 7,065,807 | 6,813,675 |
| Sample size | 34,028 | 32,604 | 35,529 | 34,043 |
| Number of hours spent sleeping each night*^ | ||||
| Less than 3 h | 1.14 (0.30, 4.31) | 0.82 (0.20, 3.35) | 1.59 (0.44, 5.72) | 0.82 (0.18, 2.98) |
| 3 to < 5 | 1.67 (1.31, 2.13) | 1.12 (0.84, 1.50) | 1.88 (1.32, 2.68) | 1.23 (0.80, 1.75) |
| 5 to < 6 | 1.49 (1.22, 1.81) | 1.12 (0.91, 1.38) | 2.04 (1.59, 2.62) | 1.59 (1.15, 2.00) |
| 6 to < 7 | 1.05 (0.93, 1.19) | 0.94 (0.82, 1.17) | 1.21 (0.99, 1.48) | 1.14 (0.91, 1.36) |
| 7 to < 9 (ref) | 1.00 | 1.00 | 1.00 | 1.00 |
| 9+ | 1.27 (0.92, 1.75) | 1.07 (0.75, 1.54) | 1.33 (0.91, 1.92) | 1.25 (0.85, 1.88) |
| Weighted population | 7,484,272 | 7,216,988 | 7,063,228 | 6,813,674 |
| Sample size | 33,994 | 32,579 | 35,507 | 34,043 |
*
Each sleep variable was entered in separate models;
^
Each model was adjusted for age, ethnicity, marital status, self-perceived health, self-perceived work stress, job class, usual hours worked type of shift, education, province, number of chronic diseases, type of smoker, and alcohol consumption.