• L P Simon, M J Belman, E Tom, and J Rideout.
• California Healthcare Foundation, Oakland 94604, USA. lpsimon@chcf.org
• Am J Med Qual. 1999 May 1; 14 (3): 138-45.

AbstractWe describe 1 health plan's annual, incentive-based, provider group quality report card (Scorecard) and identify trends in Scorecard performance among 142 California provider groups. We explore variation in Scorecard performance by provider group characteristics. Scorecard evaluates provider groups on standardized measures of performance including preventive screening, patient satisfaction, and quality management operations and infrastructure. In a cross-sectional study, we use linear regression to measure associations between provider group characteristics and performance on the 1997 Scorecard. Provider group performance trends (1996-1997) revealed improvement on 6 Scorecard indicators. Regional differences in performance were also shown. Multivariate results indicate that group location in northern California (P = .01), IPA (independent practice association) status (P = .02), older group age (P = .02), and higher mean patient age (P < .01) were independently associated with higher 1997 Scorecard total scores. Member education was marginally associated with performance. Group size, member income, and gender distributions were not independently associated with Scorecard performance. Results of this study suggest that (among Blue Cross of California's contracted provider groups) older, more established groups; groups located in northern California; IPAs; and groups with a patient demographic mix characterized by higher than network average mean age and a lower than network average proportion of members with a college education or greater were more likely to perform well on Scorecard.

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