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Table 3 Association between the number of work hours per week and new-onset depressive symptoms

From: The relationship between long working hours and depression among first-year residents in Japan

  Odds ratio 95%CI
Mean number of work hours per week < 60 h 1.00  
60 to < 80 h 1.9 0.92-4.00
80 to < 100 h 2.83 1.36-5.88
≥100 h 6.96 3.05-15.90
Age   1.02 0.96-1.07
Sexa   1.15 0.84-1.60
  1. Base on a binomial logistic regression analysis where the dependent variable was the presence of new-onset depressive symptoms and the independent variables were mean number of work hours per week (4 categories), age, and sex
  2. Abbreviations: CI confidence interval
  3. aCoded as: 0 = male; 1 = female