Predicting EuroQoL EQ-5D Preference Scores from the SF-12 Health Survey in a Nationally Representative Sample

William F. Lawrence and John A. Fleishman

Medical Decision Making, 2004, vol. 24, issue 2, 160-169

Abstract: Purpose . To predict the EuroQoL EQ-5D utility index from the SF-12 Health Survey for a US national sample of adults. Methods . The authors used the 2000 Medical Expenditure Panel Survey to examine the relationship between instruments. Linear regression was used to predict EQ-5D scores from Physical Component Summary (PCS) and Mental Component Summary (MCS) scores of the SF-12. A prediction model was derived in one half of the sample and validated in the other half. Results . Complete responses to both measures were available for 14,580 adults; 7313 (50.2%) surveys were used for the derivation set. The 2-variable model predicted 61% of the variance in EQ-5D scores and provided reasonable ability to predict mean EQ-5D scores from mean PCS and MCS scores. Confidence intervals are dependent on sample size and variance of PCS and MCS scores. Conclusions . EQ-5D scores can be reasonably predicted from the SF-12. This model allows researchers to estimate utility data for use in decision and cost-utility analyses.

Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:sae:medema:v:24:y:2004:i:2:p:160-169

DOI: 10.1177/0272989X04264015

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