ArticleBJPsych open2017
Seasonal affective disorder and non-seasonal affective disorders: results from the NESDA study.
Article in BJPsych open, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
6 citing papers in PubMed, 13 citations in OpenAlex.
- Affective Temperaments and Seasonality in Patients with Mood Disorders.Neuropsychiatric disease and treatment · 2025Article
- Article
- Rhythms, Reward, and Blues: Consequences of Circadian Photoperiod on Affective and Reward Circuit Function.Neuroscience · 2021Review
- Article
- Rhythms of life: circadian disruption and brain disorders across the lifespan.Nature reviews. Neuroscience · 2019Review
- Monitoring Depression Trends on Twitter During the COVID-19 Pandemic: Observational Study.JMIR infodemiologyArticle
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSeasonal affective disorder (SAD) is considered to be a subtype of depression.
aimsTo compare the clinical picture of SAD to non-seasonal affective disorders (non-SADs).
methodDiagnoses according to the
resultsParticipants with SAD, participants with a lifetime bipolar disorder and participants with a lifetime comorbid anxiety and depressive disorder scored highest in terms of psychopathology in the past year. The seasonal distribution of major depressive episodes was not different for participants with or without SAD.
conclusionsSAD may be a measure of severity of depression with a subjectively perceived worsening of symptoms in the winter months. DECLARATION OF INTEREST: Y.M. has received research funding and served as a consultant for Royal Philips Electronics NV and The Litebook Company Ltd. W.A.N. has received grants from the Netherlands Organization for Health Research and Development, the European Union, the Stanley Medical Research Institute, Astra Zeneca, Eli Lilly, GlaxoSmithKline and Wyeth; has received honoraria/speaker's fees from Astra Zeneca, Pfizer, Servier and Wyeth; and has served in advisory boards for Astra Zeneca, Pfizer and Servier. COPYRIGHT AND USAGE: © The Royal College of Psychiatrists 2017. This is an open access article distributed under the terms of the Creative Commons Non-Commercial, No Derivatives (CC BY-NC-ND) license.
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Registered trials
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