Feasibility and validity of EQ-5D-5L proxy by nurses in measuring health-related quality of life of nursing home residen
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Feasibility and validity of EQ‑5D‑5L proxy by nurses in measuring health‑related quality of life of nursing home residents Hui Jin Toh1 · Philip Yap2,3 · Shiou Liang Wee3,4 · Gerald Koh1,3,5,6 · Nan Luo1,6 Accepted: 6 October 2020 © Springer Nature Switzerland AG 2020
Abstract Objective Our study examined the feasibility and validity of the EQ-5D-5L proxy questionnaire in measuring health-related quality of life (HRQoL) of nursing home residents. Methods Twenty-four nurses and 229 residents from 3 nursing homes in Singapore participated in this cross-sectional study. Nurses assessed residents under their care with the EQ-5D-5L proxy questionnaire. Two experienced mappers conducted Dementia Care Mapping (DCM) within 1 month in a subsample of the residents. Feasibility was evaluated according to percentage of unanswered EQ-5D-5L items and proportion of nurses who failed to respond to all items. Convergent validity was assessed by examining the correlation between EQ-5D-5L measures and DCM scores. Known-groups validity was assessed by comparing differences in EQ-5D-5L scores for residents with varying communication abilities and physical functions. Results The nurses’ mean age was 35.4 years while the residents’ was 73.4 years. Most residents were female (51.3%) and had the ability to communicate (81.3%). For 6 of the 229 residents (2.6%), not all items in the EQ-5D-5L were completed. The EQ-5D-5L index score correlated positively and moderately with the DCM’s well/ill-being score (r = 0.433, n = 90, P
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