Association between work time loss and quality of life in patients with Herpes Zoster: a pooled analysis of the MASTER studies
Cheong, Hee Jin
Johnson, Kelly D.
Sampalis, John S.
Acosta, Camilo J.Note: Order does not necessarily reflect citation order of authors.
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CitationRampakakis, E., M. Stutz, K. Kawai, T. Tsai, H. J. Cheong, J. Dhitavat, A. Ortiz-Covarrubias, et al. 2017. “Association between work time loss and quality of life in patients with Herpes Zoster: a pooled analysis of the MASTER studies.” Health and Quality of Life Outcomes 15 (1): 11. doi:10.1186/s12955-017-0588-x. http://dx.doi.org/10.1186/s12955-017-0588-x.
AbstractBackground: Herpes zoster (HZ) has a significant negative effect on the productive work life of individuals, and has been shown to be responsible for cases of absenteeism, presenteeism and decreased work effectiveness. The aim of this study was to evaluate health utility scores and associated predictors in an actively employed population of Herpes Zoster (HZ) patients with and without work time loss (WTL). Methods: This was a pooled analysis of the prospective, observational MASTER cohort studies, conducted in 8 countries across North America, Latin America and Asia. A total of 428 HZ patients engaged in full or part time work were included. WTL, defined as missing ≥ 1 partial or full work day, and work effectiveness, reported on a scale of 0–100%, were evaluated with the Work and Productivity Questionnaire (WPQ). The Pearson product–moment correlation was used to assess the correlation between work effectiveness and HRQoL. Mixed models with repeated measures assessed the relationship between HZ-related WTL over a 6-month follow-up period, and HRQoL, as evaluated by the EQ-5D. Additional predictors of HRQoL were also identified. Results: Overall, 57.7% of respondents reported WTL. Mean (SD) percent work effectiveness of patients in the WTL group was significantly lower compared to non-WTL (NWTL) patients at baseline [50.3 (31.6) vs. 71.4 (27.8); p < 0.001]. Patients in the WTL group also reported lower health utility scores at baseline and overall than their NWTL counterparts, with WTL identified as an independent negative predictor of both the EQ-5D summary scores and the EQ-5D VAS (p < 0.001). Decrease in work effectiveness was negatively associated with HRQoL overall (p < 0.001). Predictors of lower HRQoL were worst Zoster Brief Pain Inventory (ZBPI) pain score, the presence of HZ complications and country income (predictor of EQ-5D VAS only). Conclusions: HZ adversely impacts the work and productive life of actively employed individuals. In turn, HZ-related reductions in work effectiveness and work time are associated with a negative effect on HRQoL. Electronic supplementary material The online version of this article (doi:10.1186/s12955-017-0588-x) contains supplementary material, which is available to authorized users.
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