Quick Inventory of Depressive Symptomatology (QIDS-SR)Ī 16-item patient's self-report of depressive symptoms Quick Inventory of Depressive Symptomatology (QIDS-C)Ī 16-item clinician rating of the patient's depressive symptoms Montgomery–Åsberg Depression Rating Scale (MADRS)ġ0-item diagnostic questionnaire which psychiatrists use to measure the severity of depressive episodes in patients with mood disorders. Max Hamilton maintained that his scale should not be used as a diagnostic instrument. Rates patient between 17 to 29 dimensions (depending on version) with a score on a 3 or 5 point scale. Hamilton Rating Scale for Depression (HAM-D/HDRS)
Designed for individuals aged 13 and over.Ī 9-question instrument given to patients in a primary care setting to screen for the presence and severity of depression.
SituationalĪ 21-question multiple-choice self-report inventory, one of the most widely used psychometric tests for measuring the severity of depression. Bupropion has been shown to be effective in the prevention of SAD by starting treatment prior to the winter season. Individuals with certain serotonin transporter genotypes may be more predisposed to SAD. Clinically symptomatic SAD can occur in up to 2.6% of the Canadian population, with premenopausal women most affected. SAD can be considered as an evolutionary phenomenon and many individuals have non-clinical symptoms of SAD. Fluctuations in circadian rhythms and melatonin release also plays a role. The development of SAD is thought to be due to dark/grey conditions in the winter season, and lack of light availability. There is generally an increased prevalence in countries the father it is from the equator (interestingly, Iceland has low rates of SAD ). Seasonal Affective Disorder (SAD) is a subtype of depression with a usual annual onset between September-November with spontaneous remission in April-May.
See main article: Seasonal Affective Disorder (SAD)
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