Skip to main content

Table 2 Logistic regression analysis of short sleep duration

From: Sleep duration and satisfaction among physicians in tertiary public hospitals in China: a large sample national survey

  Odds Ratio 95.0% CI (Lower) 95.0% CI (Upper)
Male (ref. female) 0.95 0.89 1.09
Age (ref. ≤ 29)
 30–39 1.31** 1.19 1.44
 40–49 1.65** 1.47 1.86
  ≥ 50 1.90** 1.65 2.20
Marital status (ref. not married)
 Married 0.94 0.84 1.05
 Divorced or separated 1.18 0.95 1.48
Children (ref. None)
 One 0.99 0.89 1.09
 More than one 1.06 0.94 1.20
Educational level (ref. Bachelor’s degree) 1.03 0.96 1.10
Working hours per week 1.01** 1.01 1.01
Department (ref. General surgery subspecialty)
 General medicine 1.22* 1.10 1.34
 General surgery 1.10 0.98 1.23
 Gynecology and obstetrics 1.12* 1.01 1.25
 General pediatrics 1.06 0.93 1.20
 Emergency medicine 1.21* 1.01 1.46
 Internal medicine subspecialty 0.99 0.89 1.09
Administration position (ref. No) 1.00 0.90 1.10
Night shift per month (ref. 0–4 times) 1.31** 1.23 1.40
Workload (ref. Mild level)
 Moderate 1.83** 1.62 2.08
 Heavy level 3.73** 3.30 4.22
Hospital type (ref. General)
 Traditional Chinese Medicine 1.02 0.95 1.10
 Other special types 1.04 0.96 1.12
Region (ref. West China)
 East China 1.14** 1.07 1.23
 Middle China 0.92* 0.85 0.99
  1. *p < 0.05, **p < 0.001