The self-administered comorbidity questi
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Sangha, Oliver ;Stucki, Gerold ;Liang, Matthew H. ;Fossel, Anne H. ;Katz, Jeffre
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Article
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2003
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John Wiley and Sons
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English
β 94 KB
## Abstract ## Objective To develop the SelfβAdministered Comorbidity Questionnaire (SCQ) and assess its psychometric properties, including the predictive validity of the instrument, as reflected by its association with health status and health care utilization after 1 year. ## Methods A crossβs