Table 2

Impact of sleep disorders and mental health on burnout

 BurnoutCrudeModel 1
TotalNPer centOR (95% CI)OR (95% CI)
Insomnia DSM-5
 No1081444.1Ref.Ref.
 Yes2198840.214.7 (9.8 to 21.9)**13.6 (9.2 to 21.1)**
Severity of insomnia
 Moderate1064930.5Ref.Ref.
 Severe1133955.61.6 (0.4 to 2.1)1.9 (0.3 to 1.0)
Type of insomnia
 Difficulties of initiating sleep
  No12051048.7Ref.Ref.
  Yes952526.33.7 (2.2 to 6.1)*3.5 (2.0 to 5.9)*
 Difficulties of maintaining sleep
  No1130726.4Ref.Ref.
  Yes1705834.17.5 (5.1 to 11.8)**7.1 (5.0 to 11.5)**
 Early morning awakening
  No1222917.5Ref.Ref.
  Yes784152.613.7 (8.4 to 22.5)**11.3 (6.4 to 18.5)**
Non-restorative sleep
 No12621098.6Ref.Ref.
 Yes371848.69.9 (5.1 to 19.5)**9.4 (4.8 to 17.5)**
Epworth sleepiness scale (ESS)
 ≤10790313.9Ref.Ref.
 >1051010119.86.0 (4.0 to 9.2)*5.4 (4.2 to 8.3)*
Habitual sleep time (hour)
 <630516.72.0 (0.8 to 5.5)2.3 (1.7 to 6.5)*
 6–72703412.61.5 (0.9 to 2.3)1.0 (0.2 to 1.2)
 7–8730658.9Ref.Ref.
 8–9243229.11.1 (0.6 to 1.7)0.9 (0.5 to 1.2)
 ≥916531.34.6 (1.4 to 14.3)*4.1 (1.2 to 14.1)*
Difference between week and weekend sleep time (hour)
 <03013.3
 0–1210104.8Ref.Ref.
 1–25035711.32.6 (1.3 to 5.1)*2.7 (1.4 to 5.2)*
 2–3349339.51.9 (1.0 to 4.3)*2.1 (1.2 to 4.6)*
 3–41201714.21.6 (1.5 to 7.5)*1.8 (1.7 to 8.0)*
Mental health
 Anxiety-HADS
  ≤101145706.1Ref.Ref.
  >101556240.010.2 (6.8 to 15.3)*9.8 (5.8 to 14.4)*
 HADS-D
  ≤10124412410.2Ref.Ref.
  >1056814.31.5 (0.6 to 2.1)1.3 (0.5 to 2.0)
  • Model 1, OR adjusted for sociodemographic parameters (age, weight, sex, BMI, physical activity, smoking and alcohol habits).

  • *p<0.05, **: p<0.01.

  • CI 95%, 95% CI; N, occurrence; DSM, Diagnostic and Statistical Manual; HADS-D, Hospital Anxiety and Depression Scale-Depression; HADS-A, Hospital Anxiety and Depression Scale-Anxiety; OR, OR; Ref., reference.