Title: Psychometric properties of the short Warwick Edinburgh mental well-being scale (SWEMWBS) in service users with schizophrenia, depression and anxiety spectrum disorders
year: 2017
Journal: Health Qual Life Outcomes
Volume: 15
Issue: 1
Pages: 153
date: 01/08/2001
ISSN: 1477-7525 (Electronic);1477-7525 (Linking)
Legal note: PMC5539899
Article Number: 28764770
Keywords: Adult;Anxiety Disorders/*psychology;Depressive Disorder/*psychology;Factor Analysis, Statistical;Female;Humans;Male; Mental Health; Middle Aged; Psychometrics;Quality of Life/*psychology;Reproducibility of Results;Schizophrenia;Singapore;Surveys and Questionnaires;Asian;Confirmatory factor analysis;Convergent and divergent validity;Mental health
Abstract: BACKGROUND: To establish the validity and reliability of the Short Warwick Edinburgh Mental Well-being Scale (SWEMWBS) in service users with schizophrenia, depression and anxiety spectrum disorders in Singapore and estimate SWEMWBS scores across socio-demographic and the three psychiatric diagnostic groups in the sample. METHODS: This secondary analysis was conducted using data from a study among outpatients of a tertiary psychiatric hospital. In addition to the SWEMWBS, socio-demographic data and current psychiatric diagnosis were collected. Service users were also administered the Global Assessment of Functioning (GAF), Patient Health Questionnaire (PHQ)-8, Generalised Anxiety Disorder (GAD)-7, Satisfaction with Life Scale (SWLS) and the Positive Mental Health (PMH) instrument. The SWEMWBS was tested for factorial validity, reliability and convergent and divergent validity. RESULTS: In total, 350 service users with a mean (SD) age of 39.1 (11.1) years were included in this study of which 39.4%, 38.9% and 21.7% had schizophrenia, depression and anxiety spectrum disorders, respectively. The single factor structure of the SWEMWBS was confirmed by confirmatory factor analysis (CFI = 0.969, TLI = 0.954, RMSEA = 0.029). The internal consistency reliability was high (Cronbach's alpha = 0.89). The convergent and divergent validity testing revealed that the SWEMWBS scores had significant moderate to high positive correlations with GAF, SWLS and PMH scores and moderate negative correlations with (PHQ)-8 and (GAD)-7 scores. SWEMWBS scores were higher in married participants (22.2 (5.4) versus never married: 20.7 (5.3) and divorced/separated/widowed: 20.4 (5.1), p = 0.049) and among those with schizophrenia (22.8 (5.5) versus depression:19.6 (4.7) and anxiety spectrum disorders 20.9 (5.2), p < 0.001). CONCLUSION: These results demonstrate adequate validity and reliability of the SWEMWBS in people with schizophrenia, depression and anxiety spectrum disorders in Singapore.
Notes: Vaingankar, Janhavi Ajit;Abdin, Edimansyah;Chong, Siow Ann;Sambasivam, Rajeswari;Seow, Esmond;Jeyagurunathan, Anitha;Picco, Louisa;Stewart-Brown, Sarah;Subramaniam, Mythily;eng;Validation Studies;England;2017/08/03 06:00;Health Qual Life Outcomes. 2017 Aug 1;15(1):153. doi: 10.1186/s12955-017-0728-3.
URL: https://www.ncbi.nlm.nih.gov/pubmed/28764770;https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5539899/pdf/12955_2017_Article_728.pdf
URI: https://open-access.imh.com.sg/handle/123456789/5202
Authors Address: Research Division, Institute of Mental Health, 10 Buangkok View, Singapore, 539747, Singapore. janhavi_vaingankar@imh.com.sg.;Research Division, Institute of Mental Health, 10 Buangkok View, Singapore, 539747, Singapore.;Warwick Medical School, University of Warwick, Coventry, London, UK.
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