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Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 28, 2011 - Issue 5
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Letter to the Editor

Overtime Working Hours and Depression: Questionnaire Survey Using the Patient Health Questionnaire (PHQ-9)

Pages 474-475 | Received 02 Mar 2011, Accepted 24 Mar 2011, Published online: 01 Jul 2011

REFERENCES

  • Driesen K, Jansen NW, Kant I, Mohren DC, van Amelsvoort LG. (2010). Depressed mood in the working population: associations with work schedules and working hours. Chronobiol. Int. 27:1062–1079.
  • Kroenke K, Spitzer RL, Williams JB. (2001). The PHQ-9: validity of a brief depression severity measure. J. Gen. Intern. Med. 16:606–613.
  • Wang J, Smailes E, Sareen J, Schmitz N, Fick G, Patten S. (2011). Three job-related stress models and depression: a population-based study. Soc. Psychiatry Psychiatr. Epidemiol. 15 January, 2011, Epub ahead of print.

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