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

Age, mean ± SD, y | 26.0 ± 2.9 |
---|---|

Male Sex, n (%) | 812 (65.4%) |

Hospital type | |

University hospital, n (%) | 495 (39.9%) |

Other teaching hospital, n (%) | 746 (60.1%) |

Mean number of work hours per week, mean ± SD | 79.4 ± 15.0 |

on weekdays, mean ± SD | 12.2 ± 2.3 |

on weekends, mean ± SD | 4.3 ± 3.2 |

80 or more hours of work per week, n (%) | 554 (44.6%) |

100 or more hours of work per week, n (%) | 97 (7.8%) |

Mean number of hours for sleep per day, mean ± SD | 5.8 ± 0.9 |

Less than 6 h for sleep per day, n (%) | 409 (33.0%) |

Mean duration of disposable time per day, mean ± SD, hours/day | 2.8 ± 1.6 |

Less than 2 h of free time, n (%) | 244 (19.7%) |

Number of night shifts per month, n (%) | 3.6 ± 2.1 |

Working schedule after night shifts (n = 1065)
| |

No change, n (%) | 726 (68.2%) |

Shorter working day, n (%) | 291 (27.3%) |

Rest day, n (%) | 48 (4.5%) |

Mean number of days off work per month, mean ± SD | 4.7 ± 3.9 |

Number of calls during overtime duty per month, mean ± SD | 3.0 ± 6.1 |