Table 4.
Prevalence and prevalence ratios of at least one sleep disorder in day, early, evening, night and rotating shift subsamples differentiated by sex, age, education and living companion (s).
| Day shift | Early shift | Evening shift | Night shift | Rotating shift | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| % | PR (95% CI) | % | PR (95% CI) | % | PR (95% CI) | % | PR (95% CI) | % | PR (95% CI) | |
| Sex | ||||||||||
| Male | 28.4 | 1 | 42.5 | 1 | 42.9 | 1 | 46.0 | 1 | 42.3 | 1 |
| Female | 33.7 | 1.19 (1.14–1.23)** | 40.1 | 0.94 (0.56–1.33) | 42.8 | 1.00 (0.64–1.36) | 53.7 | 1.17 (0.56–1.78) | 46.0 | 1.09 (0.96–1.21)* |
| Age | ||||||||||
| < 30 years | 36.4 | 1 | 45.0 | 1 | 51.7 | 1 | 56.5 | 1 | 49.9 | 1 |
| 30–50 years | 29.7 | 0.82 (0.76–0.87)** | 41.0 | 0.91 (0.43–1.40) | 42.7 | 0.83 (0.41–1.25) | 47.2 | 0.84 (−0.09–1.76) | 41.3 | 0.83 (0.68–0.97)* |
| > 50 years | 30.7 | 0.84 (0.78–0.91)** | 38.8 | 0.86 (0.36–1.36) | 33.8 | 0.65 (0.18–1.12)* | 54.1 | 0.96 (0.01–1.90) | 42.6 | 0.85 (0.69–1.02) |
| Education | ||||||||||
| Academic | 28.5 | 1 | 36.7 | 1 | 37.0 | 1 | 50.0 | 1 | 40.5 | 1 |
| Vocational | 33 | 1.16 (1.10–1.21)** | 32.6 | 0.89 (0.32–1.45) | 50.6 | 1.37 (0.89–1.85)* | 51.3 | 1.03 (0.28–1.77) | 45.2 | 1.12 (0.96–1.27) |
| Secondary | 41.3 | 1.45 (1.38–1.51)** | 46.8 | 1.28 (0.82–1.73) | 50.9 | 1.38 (0.94–1.81)* | 48.4 | 0.97 (0.20–1.74) | 49.3 | 1.22 (1.07–1.36)** |
| Elementary $ | 48.5 | 1.70 (1.31–2.10)** | 56.0 | 1.38 (0.59–2.18)** | ||||||
| Living companion(s) | ||||||||||
| Alone | 33.3 | 1 | 36.2 | 1 | 50.6 | 1 | 61.5 | 1 | 50.3 | 1 |
| With partner | 32.9 | 0.99 (0.91–1.07) | 43.7 | 1.21 (0.60–1.82) | 43.1 | 0.85 (0.32–1.39) | 51.0 | 0.83 (−0.14–1.80) | 42.6 | 0.85 (0.65–1.05)** |
| Alone with kid(s)$ | 32.5 | 0.98 (0.86–1.09) | 39.1 | 1.08 (0.11–2.05) | 44.4 | 0.88 (0.01–1.74) | 42.5 | 0.84 (0.51–1.18) | ||
| With partner and kid(s) | 27.9 | 0.84 (0.76–0.91)** | 40.0 | 1.10 (0.51–1.70) | 31.8 | 0.63 (0.09–1.17)* | 47.9 | 0.78 (−0.13–1.69) | 39.5 | 0.79 (0.59–0.98)** |
| Other(s) | 37.7 | 1.13 (1.04–1.22)* | 44.9 | 1.24 (0.58–1.90) | 51.5 | 1.02 (0.45–1.59) | 60.9 | 0.99 (−0.16–2.14) | 50.8 | 1.01 (0.80–1.22) |
$
Low number of cases in the category in the early, evening and/or night shift subgroups (n < 20). *p < 0.05, **p < 0.01. PR = prevalence ratio (calculated against indicator). Binominal logistic regression results in Supplementary Table S2.2.