Predicting Productivity Losses from Health-Related Quality of Life Using Patient Data

Clara Mukuria (), Donna Rowen, Mónica Hernández-Alava, Simon Dixon and Roberta Ara
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Clara Mukuria: University of Sheffield
Donna Rowen: University of Sheffield
Mónica Hernández-Alava: University of Sheffield
Simon Dixon: University of Sheffield
Roberta Ara: University of Sheffield
Authors registered in the RePEc Author Service: Monica Hernandez Alava

Applied Health Economics and Health Policy, 2017, vol. 15, issue 5, No 6, 597-614

Abstract: Abstract Objective This paper estimates productivity loss using the health of the patient in order to allow indirect estimation of these costs for inclusion in economic evaluation. Methods Data from two surveys of inpatients [Health outcomes data repository (HODaR) sample (n = 42,442) and health improvement and patient outcomes (HIPO) sample (n = 6046)] were used. The number of days off paid employment or normal activities (excluding paid employment) was modelled using the health of the patients measured by the EQ-5D, international classification of diseases (ICD) chapters, and other health and sociodemographic data. Two-part models (TPMs) and zero-inflated negative binomial (ZINB) models were identified as the most appropriate specifications, given large spikes at the minimum and maximum days for the dependent variable. Analysis was undertaken separately for the two datasets to account for differences in recall period and identification of those who were employed. Results Models were able to reflect the large spike at the minimum (zero days) but not the maximum, with TPMs doing slightly better than the ZINB model. The EQ-5D was negatively associated with days off employment and normal activities in both datasets, but ICD chapters only had statistically significant coefficients for some chapters in the HODaR. Conclusions TPMs can be used to predict productivity loss associated with the health of the patient to inform economic evaluation. Limitations include recall and response bias and identification of who is employed in the HODaR, while the HIPO suffers from a small sample size. Both samples exclude some patient groups.

Keywords: Akaike Information Criterion; Normal Activity; Bayesian Information Criterion; Productivity Loss; Recall Period (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s40258-017-0326-x

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