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Preliminary validation of the Satisfaction With Decision scale with depressed primary care patients
Celia E Wills1, Margaret Holmes-Rovner
1Michigan State University, College of Nursing and Professor, Michigan State University, College of Human Medicine, East Lansing, MI 48825, USA. cwills@msu.edu
Objective:
To conduct a preliminary validation of the Satisfaction With Decision (SWD) scale with depressed primary care patients.
Design:
Cross-sectional observational pilot study using a postal survey.
Setting And Participants:
Depressed primary care patients (n = 97) who recently had made a new decision about antidepressant medication use completed surveys regarding their treatment decisions.
Main Variables:
Measures included patient-reported satisfaction with decision, decisional conflict, knowledge about depression and treatment, decision involvement, pain and health status, antidepressant medication efficacy, and satisfaction with health services.
Results:
The SWD scale had good internal consistency reliability (alpha = 0.85). Evidence for construct validity was confirmed via a hypothesized pattern of relationships between the SWD scale and other measures. Decision satisfaction was associated with several issues of relevance for designing patient-centred decision support interventions: (1) knowledge about depression and treatment; (2) involvement in health-related decisions; and (3) aiding evaluation of trade-offs among pros and cons of treatment.
Conclusions:
The results of this pilot study show that the SWD scale appears to be a psychometrically sound and practical measure for research with this population. Additional research is needed on the theoretical nature of decision satisfaction and developing and testing patient-centred decision support interventions for depression treatment.