Table 6.
The associations of physicians´ working time characteristics from 3 months with often waking up several times per night
| Crude modela | Adjusted modela,b | ||||||
|---|---|---|---|---|---|---|---|
| N | OR | 95%CI | N | OR | 95%CI | ||
| Average working hours/week | < 40 | 450 | 1 | 436 | 1 | ||
| 40–48 | 149 | 1.05 | (0.69–1.61) | 143 | 1.04 | (0.66–1.62) | |
| > 48 | 120 | 0.78 | (0.50–1.21) | 119 | 0.70 | (0.43–1.11) | |
| Number of on-call shifts | 0 | 426 | 1 | 413 | 1 | ||
| 1–12 | 346 | 1.13 | (0.82–1.56) | 337 | 1.03 | (0.72–1.46) | |
| ≥13 | 55 | 1.52 | (0.76–3.02) | 55 | 1.08 | (0.52–2.24) | |
| Number of night work dutiesb | 0 | 503 | 1 | 489 | 1 | ||
| 1–3 | 56 | 0.88 | (0.48–1.63) | 54 | 0.76 | (0.40–1.43) | |
| 4–6 | 82 | 0.96 | (0.57–1.63) | 80 | 0.89 | (0.51–1.55) | |
| ≥7 | 186 | 1.07 | (0.73–1.58) | 182 | 0.94 | (0.61–1.45) | |
| Number of weekend work dutiesc | 0 | 482 | 1 | 467 | 1 | ||
| 1–4 | 235 | 1.02 | (0.72–1.45) | 228 | 0.91 | (0.62–1.34) | |
| ≥5 | 52 | 2.40 | (1.06–5.45) | 52 | 2.26 | (0.96–5.34) | |
| Number of ≤11-hour shift intervals | 0 | 519 | 1 | 504 | 1 | ||
| 1–6 | 112 | 1.30 | (0.80–2.13) | 109 | 1.28 | (0.77–2.13) | |
| 7–12 | 97 | 0.83 | (0.52–1.34) | 94 | 0.80 | (0.48–1.34) | |
| > 12 | 92 | 1.01 | (0.61–1.67) | 91 | 0.91 | (0.52–1.57) | |
| On-call work at home hours/week | 0 | 460 | 1 | 450 | 1 | ||
| 1–20 | 180 | 0.68 | (0.46–1.00) | 174 | 0.73 | (0.49–1.09) | |
| > 20 | 187 | 0.82 | (0.56–1.21) | 181 | 0.86 | (0.58–1.28) | |
amultinomial logistic regression analysis
badjusted for age, gender, marital status, number of children, overall stressfulness of the life situation, control over working times and hospital district
cat least 3 hours of work between 23 and 06
dat least 3 hours of work between Fri 18:00 and Mon 08:00