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- Title
Psychometric properties of the short Warwick Edinburgh mental well-being scale (SWEMWBS) in service users with schizophrenia, depression and anxiety spectrum disorders.
- Authors
Vaingankar, Janhavi Ajit; Abdin, Edimansyah; Siow Ann Chong; Sambasivam, Rajeswari; Seow, Esmond; Jeyagurunathan, Anitha; Picco, Louisa; Stewart-Brown, Sarah; Subramaniam, Mythily; Chong, Siow Ann
- Abstract
<bold>Background: </bold>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.<bold>Methods: </bold>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.<bold>Results: </bold>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).<bold>Conclusion: </bold>These results demonstrate adequate validity and reliability of the SWEMWBS in people with schizophrenia, depression and anxiety spectrum disorders in Singapore.
- Subjects
SINGAPORE; PSYCHOMETRICS; SCHIZOPHRENIA; MENTAL depression; ANXIETY; PSYCHIATRIC diagnosis; PSYCHIATRIC drugs; QUALITY of life; ANXIETY disorders; COMPARATIVE studies; FACTOR analysis; RESEARCH methodology; MEDICAL cooperation; MENTAL health; QUESTIONNAIRES; RESEARCH; RESEARCH evaluation; EVALUATION research; PSYCHOLOGY
- Publication
Health & Quality of Life Outcomes, 2017, Vol 15, p1
- ISSN
1477-7525
- Publication type
journal article
- DOI
10.1186/s12955-017-0728-3