Monthly variation in prevalence rates of comorbid depression and anxiety in the general population at 63–65° North: The HUNT study

摘要: Abstract Background To investigate monthly variation in depression, anxiety and their comorbidity (COM) an epidemiologic study association to suicide rates. Methods 60,995 participants of the Health Study Nord-Trondelag County 1995–97 rated themselves on Hospital Anxiety Depression Scale (HADS) all months except July. All 10,670 male 3833 female suicides Norway from 1969 through 1996 were included. Results The prevalence comorbid depression was highest spring (April, May) October ( p r  = 0.72, df  = 11,  = 0.01) for alone  = 0.67,  = 0.03). There also a significant Limitations Limited information about third population who did not take part HUNT-2 Study. HADS based cover psychological symptoms, somatic social ones. In relation DSM-IV ICD-10 defined disorders depressions, sensitivity specificity caseness, give considerable number false-positive cases. Conclusions Increased males during spring, its with suicidality should have clinical importance, as identification treatment could influence