Seasonality is associated with anxiety and depression: the Hordaland health study.

[1]  T. Partonen,et al.  Seasonal Affective Disorder: Practice and Research , 2009 .

[2]  R. de Graaf,et al.  Seasonal variations in mental disorders in the general population of a country with a maritime climate: findings from the Netherlands mental health survey and incidence study. , 2005, American journal of epidemiology.

[3]  Anthony F Jorm,et al.  An examination of seasonality experienced by Australians living in a continental temperate climate zone. , 2004, Journal of affective disorders.

[4]  A. Bouhuys,et al.  The reliability and validity of the Seasonal Pattern Assessment Questionnaire: a comparison between patient groups. , 2004, Journal of affective disorders.

[5]  G. Murray.  The Seasonal Pattern Assessment Questionnaire as a measure of mood seasonality: a prospective validation study , 2003, Psychiatry Research.

[6]  E. Christensen,et al.  The stability of the Seasonal Pattern Assessment Questionnaire score index over time and the validity compared to classification according to DSM-III-R. , 2003, Journal of affective disorders.

[7]  M. Posternak,et al.  Lack of association between seasonality and psychopathology in psychiatric outpatients , 2002, Psychiatry Research.

[8]  T. T. Haug,et al.  The validity of the Hospital Anxiety and Depression Scale. An updated literature review. , 2002, Journal of psychosomatic research.

[9]  E. Arnesen,et al.  Prevalence of serious psychiatric morbidity in attenders and nonattenders to a health survey of a general population : the Tromsø Health Study. , 2001, American journal of epidemiology.

[10]  R. Lam,et al.  Seasonal depression: the dual vulnerability hypothesis revisited. , 2001, Journal of affective disorders.

[11]  E. Lund,et al.  Responses to the Seasonal Pattern Assessment Questionnaire in different seasons. , 2001, The American journal of psychiatry.

[12]  A. Well,et al.  Seasonal Variation of Depression and Other Moods: A Longitudinal Approach , 2000, Journal of biological rhythms.

[13]  C. Hoven,et al.  Seasonal variations in internalizing, externalizing, and substance use disorders in youth , 2000, Psychiatry Research.

[14]  A. Magnússon,et al.  Lack of seasonal mood change in the Icelandic population: results of a cross-sectional study. , 2000, The American journal of psychiatry.

[15]  A. Bouhuys,et al.  The prevalence of seasonal affective disorder in the netherlands: a prospective and retrospective study of seasonal mood variation in the general population , 1999, Biological Psychiatry.

[16]  H. Dam,et al.  Prevalence of winter depression in Denmark , 1998, Acta psychiatrica Scandinavica.

[17]  R. Cochrane,et al.  Seasonal changes in affective state in samples of Asian and white women , 1997, Social Psychiatry and Psychiatric Epidemiology.

[18]  A. Magnússon,et al.  Internal consistency of the Seasonal Pattern Assessment Questionnaire (SPAQ). , 1997, Journal of affective disorders.

[19]  A. Magnússon.  Validation of the Seasonal Pattern Assessment Questionnaire (SPAQ). , 1996, Journal of affective disorders.

[20]  R. Cochrane,et al.  Seasonal Changes in Affective State Measured Prospectively and Retrospectively , 1996, British Journal of Psychiatry.

[21]  L. Palinkas,et al.  Seasonal variation of depressive symptoms in Antarctica , 1995, Acta psychiatrica Scandinavica.

[22]  J. Schwartz,et al.  Seasonal Variations of Current Symptoms in a Healthy Population , 1993, British Journal of Psychiatry.

[23]  Halle Mt,et al.  Comorbid panic disorder in patients with winter depression. , 1993 .

[24]  J. Booker,et al.  Prevalence of seasonal affective disorder in Alaska. , 1992, The American journal of psychiatry.

[25]  C. Eastman,et al.  The temporal onset of individual symptoms in winter depression: differentiating underlying mechanisms. , 1991, Journal of affective disorders.

[26]  Ami Gantt,et al.  Practice and Research , 1990 .

[27]  O. Linaker,et al.  Seasonal mood variation: an epidemiological study in northern Norway , 1990, Acta psychiatrica Scandinavica.

[28]  Leora N. Rosen,et al.  Prevalence of seasonal affective disorder at four latitudes , 1990, Psychiatry Research.

[29]  S Kasper,et al.  Epidemiological findings of seasonal changes in mood and behavior. A telephone survey of Montgomery County, Maryland. , 1989, Archives of general psychiatry.

[30]  T. Wehr,et al.  Seasonality and affective illness. , 1989, The American journal of psychiatry.

[31]  C Thompson,et al.  A comparison of normal, bipolar and seasonal affective disorder subjects using the Seasonal Pattern Assessment Questionnaire. , 1988, Journal of affective disorders.

[32]  A. Zigmond,et al.  The Hospital Anxiety and Depression Scale , 1983, Acta psychiatrica Scandinavica.

[33]  B. Bjorvatn,et al.  Seasonal Variations in Mood and Behaviour Associated with Gender, Annual Income and Education: The Hordaland Health Study , 2005, European Journal of Epidemiology.

[34]  R. Hu.  Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) , 2003 .

[35]  J. Rabkin,et al.  Evaluation of seasonality in six clinical populations and two normal populations. , 1991, Journal of psychiatric research.

[36]  F. Goodwin,et al.  Seasonal affective disorder. A description of the syndrome and preliminary findings with light therapy. , 1984, Archives of general psychiatry.