Table 4 Factors associated with resident duty hours (multivariable analysis).
From: Educational environment changes toward resident duty hour restrictions in Japan
Variables | OR | 95% CI | P |
|---|---|---|---|
Basic information | |||
Year | |||
2019 | 1 (reference) | ||
2020 | 1.14 | 1.05–1.24 | 0.002 |
2021 | 1.51 | 1.38–1.64 | < 0.001 |
2022 | 0.88 | 0.81–0.95 | 0.002 |
Age | |||
24 | 1 (reference) | ||
25 | 1.03 | 0.86–1.23 | 0.72 |
26 | 1.06 | 0.89–1.26 | 0.52 |
27 | 1.12 | 0.94–1.34 | 0.22 |
28 | 1.12 | 0.92–1.35 | 0.26 |
29 | 1.00 | 0.81–1.24 | 0.98 |
30 or more | 0.99 | 0.82–1.20 | 0.94 |
Male sex | 0.99 | 0.93–1.05 | 0.63 |
PGY-2* | 0.93 | 0.87–1.00 | 0.04 |
Educational environment | |||
Monthly ED duty | |||
None | 1 (reference) | ||
1–2 | 1.60 | 1.33–1.92 | < 0.001 |
3–5 | 3.24 | 2.70–3.88 | < 0.001 |
6 or more | 7.53 | 6.10–9.30 | < 0.001 |
Unknown | 1.88 | 1.24–2.86 | 0.003 |
Assigned inpatient | |||
0–4 | 1 (reference) | ||
5–9 | 1.59 | 1.48–1.70 | < 0.001 |
10–14 | 2.55 | 2.27–2.86 | < 0.001 |
15 or more | 4.67 | 3.79–5.75 | < 0.001 |
Unknown | 1.51 | 1.26–1.82 | < 0.001 |
Daily Self-study time | |||
None | 1 (reference) | ||
0–30 min | 0.81 | 0.69–0.95 | 0.01 |
31–60 min | 0.99 | 0.84–1.17 | 0.91 |
61–90 min | 1.23 | 1.04–1.47 | 0.02 |
91 min or more | 1.48 | 1.20–1.84 | < 0.001 |
Hospital information | |||
Urban hospital† | 0.98 | 0.86–1.11 | 0.74 |
Annual number of ambulance arrivals (per 1,000) | 1.26 | 1.18–1.34 | < 0.001 |
