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Lifetime and 12-month prevalence of mental disorders in the Nigerian Survey of Mental Health and Well-Being
Open accessAbstract
Background: Large-scale community studies of the prevalence of mental disorders using standardised assessment tools are rare in sub-Saharan Africa. Aims: To conduct such a study. Method: Multistage stratified clustered sampling of households in the Yoruba-speaking parts of Nigeria. Face-to-face interviews used the World Mental Health version of the Composite International Diagnostic Interview (WMH-CIDI). Results: Of the 4984 people interviewed (response rate 79.9%), 12.1% had a lifetime rate of at least one DSM–IV disorder and 5.8% had 12-month disorders. Anxiety disorders were the most common (5.7% lifetime, 4.1% 12-month rates) but virtually no generalised anxiety or post-traumatic stress disorder were identified. Of the 23% who had seriously disabling disorders, only about 8% had received treatment in the preceding 12 months. Treatment was mostly provided by general medical practitioners; only a few were treated by alternative practitioners such as traditional healers. Conclusions: The observed low rates seem to reflect demographic and ascertainment factors. There was a large burden of unmet need for care among people with serious disorders.
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“The largest epidemiological survey from Nigeria estimates the lifetime prevalence of mental, neurological and substance use (MNS) disorders at 12.1%.”
From Sustainable financing mechanisms for strengthening mental health systems in Nigeria (2019) · cites this paper as [16]
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“21.8 million Nigerians are at risk of developing a mental disorder at some point in their lifetime”
From Sustainable financing mechanisms for strengthening mental health systems in Nigeria (2019) · cites this paper as [16]
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“10.4 million Nigerians may be suffering from at least one mental disorder in any given year.”
From Sustainable financing mechanisms for strengthening mental health systems in Nigeria (2019) · cites this paper as [16]
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“Twenty-three percent (23%) had serious and disabling disorders, out of whom only 8% had received treatment in the preceding 12 months [16].”
From Sustainable financing mechanisms for strengthening mental health systems in Nigeria (2019) · cites this paper as [16]
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“Results indicate that 5.8% had a 12-month prevalence of a mental disorder.”
From Sustainable financing mechanisms for strengthening mental health systems in Nigeria (2019) · cites this paper as [16]
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Metadata
- Authors
- Gureje, O., Lasebikan, V. O., Kola, L., & Makanjuola, V. A.
- Affiliations
- University of Ibadan (NG)
- University College Hospital, Ibadan (NG)
- Corresponding author
- Gureje, Oye
- Venue
- British Journal of Psychiatry
- Publisher
- Royal College of Psychiatrists
- Published
- 2006-05
- Volume
- 188
- Issue
- 5
- Pages
- 465-471
- ISSN
- 0007-1250 (ISSN-L)
- 1472-1465
- OpenAlex
- W2142658238
- Cited by
- 363
- References
- 32
- Citations by year
- 2026: 12 · 2025: 17 · 2024: 19 · 2023: 19 · 2022: 16 · 2021: 18 · 2020: 19 · 2019: 20 · 2018: 20 · 2017: 21 · 2016: 12 · 2015: 17 · 2014: 30 · 2013: 25 · 2012: 15
- FWCI
- 20.23
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The British Journal of Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- World Health Organization
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Mental Health Treatment and Access
- Social Sciences › Psychology › Clinical Psychology › Migration, Health and Trauma
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Global Health and Epidemiology
- Keywords
- mental illness, prevalence, lifetime prevalence, 12-month prevalence, anxiety disorders, DSM-IV disorders, unmet mental health needs, psychotherapy, traditional healers, sub-Saharan Africa, Composite International Diagnostic Interview
- MeSH terms
- Adolescent, Adult, Aged, Anxiety Disorders, Mental Disorders, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Nigeria, Patient Acceptance of Health Care, Prevalence, Mood Disorders, Substance-Related Disorders
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