Table 1

Associations between average weekly working hours, CMD and suicidal ideation in JDs with unadjusted and adjusted estimates for effect size (95% CI) (n=2706)

CMD (n=2706)Suicidal ideation (n=2706)
OR (95% CI)pOR (95% CI)p
Unadjusted model
Hours worked per week (continuous)1.02 (1.01 to 1.02)<0.0011.02 (1.01 to 1.03)<0.001
Hours worked per week
 35–39 hours0.95 (0.69 to 1.30)0.7321.02 (.62 to 1.69)0.922
 40–44 hoursReference groupReference group
 45–49 hours1.37 (1.06 to 1.77)0.0141.51 (1.02 to 2.21)0.035
 50–54 hours2.05 (1.62 to 2.59)<0.0011.77 (1.23 to 2.52)0.002
 55+ hours2.05 (1.63 to 2.57)<0.0012.19 (1.57 to 3.05)<0.001
Adjusted model*
Hours worked per week (continuous)1.02 (1.01 to 1.02)<0.0011.02 (1.00 to 1.02)<0.001
Hours worked per week
 35–39 hours0.997 (0.72 to 1.38)0.9841.24 (0.74 to 2.07)0.419
 40–44 hoursReference groupReference group
 45–49 hours1.32 (1.02 to 1.70)0.0371.40 (0.95 to 2.06)0.091
 50–54 hours2.04 (1.60 to 2.59)<0.0011.58 (1.10 to 2.27)0.014
 55+ hours2.05 (1.62 to 2.59)<0.0012.00 (1.42 to 2.81)<0.001
  • *NB: analyses adjusted for age (continuous), gender, stage of training, location, area of specialty, marital status and whether medical degree was completed overseas. Reference group was 40–44 hours.

  • CMD, likely case of common mental disorder, assessed by the GHQ-28;SI, Positive response indicating suicidal ideation in the last year, assessed by a single item.