Measuring physical and mental health using the SF-12: Implications for community surveys of mental health

Abstract

Objective: The effects of using different approaches to scoring the SF-12 summary scales of physical and mental health were examined with a view to informing the design and interpretation of community-based survey research. Method: Data from a population-based study of 7485 participants in three cohorts aged 20-24, 40-44 and 60-64 years were used to examine relationships among measures of physical and mental health calculated from the same items using the SF-12 and RAND-12 approaches to scoring, and other measures of chronic physical conditions and psychological distress. Results: A measure of physical health constructed using the RAND-12 scoring showed a monotonic negative association with ..