Prospective associations of insomnia markers and symptoms with depression.

  title={Prospective associations of insomnia markers and symptoms with depression.},
  author={Mariana Szklo-Coxe and Terry Young and Paul E. Peppard and Laurel Ann Finn and Ruth M. Benca},
  journal={American journal of epidemiology},
  volume={171 6},
Whether insomnia, a known correlate of depression, predicts depression longitudinally warrants elucidation. The authors examined 555 Wisconsin Sleep Cohort Study participants aged 33-71 years without baseline depression or antidepressant use who completed baseline and follow-up overnight polysomnography and had complete questionnaire-based data on insomnia and depression for 1998-2006. Using Poisson regression, they estimated relative risks for depression (Zung scale score > or =50) at 4-year… CONTINUE READING