Factor structure, internal consistency and construct validity of the Sheehan Disability Scale in a Spanish primary care sample
Rationale, aims and objectives The Sheehan Disability Scale (SDS) is a three-item instrument that measures disability in three inter-related domains: work, family life/home responsibilities and social/leisure activities. The main objective of the present study was to examine the factor structure, reliability and construct validity of the SDS in a wide Spanish sample of primary care (PC) patients. Methods One phase cross-sectional survey.Atotal of 3815 patients, aged 18 years or older attending PC for a medical visit, were interviewed between October 2005 and March 2006. The interviews included the Structured Clinical Interview for DSM-IVAxis I Disorders for depressive and anxiety disorders,…