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Spirituality Index of Well-Being Scale: development and testing of a new measure
Timothy P Daaleman1, Bruce B Frey, Dennis Wallace
1Department of Family Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA. tim_daaleman@med.unc.edu
Objective:
To evaluate the reliability and validity of the Spirituality Index of Well-Being (SIWB) Scale in a patient population.
Study Design:
Cross-sectional survey.
Population:
Community-dwelling elderly individuals (n = 277) recruited from primary care clinic sites in the Kansas City metropolitan area.
Outcomes Measured:
Internal consistency, concurrent construct validity, discriminant validity, and factor analysis with Varivax rotation.
Results:
The initial version of the SIWB contained 40 items: 20 from a self-efficacy domain and 20 from a life scheme domain. Factor analysis yielded 6 items loaded most strongly on factor 1 (intrapersonal self-efficacy) and 6 other items loaded strongly on factor 2 (life scheme). The Self-efficacy subscale had an alpha of.83 and the Life Scheme subscale had an alpha of.80; the total 12-item SIWB Scale had an alpha of.87. The SIWB had significant and expected correlations with other quality-of-life measures related to subjective well-being: EuroQol (r =.18), Geriatric Depression Scale (r = -35), the Physical Functioning Index from the Short Form 36 (r =.28), and the Years of Healthy Life Scale (r = -.35). Religiosity did not correlated significantly with the SIWB (r =.12, P =.056).
Conclusions:
The 12-item SIWB Scale is a valid and reliable measure of subjective well-being in an older patient population.
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