Journal article
Factor structure and item response of psychosis symptoms among Kenyan adults
- Abstract:
- <h4>Background</h4>The aim of this study was to evaluate the construct validity of the psychosis module of the Mini International Neuropsychiatric Interview version 7.0.2 (MINI-7).<h4>Method</h4>We utilized data collected from 2738 participants with a primary psychotic or bipolar disorder. Participants were drawn from two Kenyan sites of a large multi-center neuropsychiatric genetic study. The factor structure of the MINI-7 psychosis items were explored using confirmatory factor analyses (CFA) and Item Response Theory approach, for the full sample and by gender.<h4>Results</h4>The CFA revealed that a 1-factor model provided adequate fit for the MINI-7 psychosis items for the full sample (x<sup>2</sup> = 397.92, df = 35, p < .0001; RMSEA = 0.06; CFI = 0.92; TLI = 0.90) as well as for the female (x<sup>2</sup> = 185.16.92, df = 35, p < .0001; RMSEA = 0.06; CFI = 0.93; TLI = 0.91) and male groups (x<sup>2</sup> = 242.09, df = 35, p < .0001; RMSEA = 0.06; CFI = 0.92; TLI = 0.89). Item thresholds for the full sample, and female and male groups were highest for 'odd beliefs' (-1.42, -1.33, and -1.51 respectively) and lowest for 'visual hallucinations' (-0.03, -0.04, and -0.01 respectively).<h4>Limitations</h4>Our study used a hospital-based population, which may have excluded patients with milder psychotic symptoms. Findings may therefore not be generalizable to the community setting.<h4>Conclusions</h4>Our findings indicate good construct validity of the MINI-7 psychosis module, and provides support for use of the tool in diagnosing psychotic disorders in clinical settings in Kenya.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Preview, Accepted manuscript, pdf, 213.9KB, Terms of use)
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- Publisher copy:
- 10.1016/j.jad.2022.08.038
Authors
- Publisher:
- Elsevier
- Journal:
- Journal of Affective Disorders More from this journal
- Volume:
- 317
- Pages:
- 136-141
- Publication date:
- 2022-08-24
- Acceptance date:
- 2022-08-18
- DOI:
- EISSN:
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1573-2517
- ISSN:
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0165-0327
- Pmid:
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36028013
- Language:
-
English
- Keywords:
- Pubs id:
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1277905
- Local pid:
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pubs:1277905
- Deposit date:
-
2022-10-25
- ARK identifier:
Terms of use
- Copyright holder:
- Elsevier
- Copyright date:
- 2022
- Rights statement:
- © 2022 Elsevier B.V. All rights reserved.
- Notes:
- This is the accepted manuscript version of the article. The final version is available online from Elsevier at: https://doi.org/10.1016/j.jad.2022.08.038
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