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Journal Article

Citation

Davie GS, Lilley R. BMJ Open 2018; 8(4): e018995.

Affiliation

Administrative Data for Health Research Hub, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand.

Copyright

(Copyright © 2018, BMJ Publishing Group)

DOI

10.1136/bmjopen-2017-018995

PMID

29703849

Abstract

OBJECTIVE: The study aims to quantify the impact of injury on the financial well-being of older workers. The hypothesis was that injured older workers have substantially reduced income from work following injury, but that New Zealand's (NZ) universal injury compensation scheme mitigates the difference for total income. DESIGN, SETTING AND PARTICIPANTS: An e-cohort of 617 722 workers aged 45-64 years old was created using de-identified linked administrative data in NZ's Integrated Data Infrastructure. Person-level data from numerous government agencies were used to compare 21 639 with an injury-related entitlement claim in 2009 with the remaining 596 133. Event date was the date of injury, or for the comparison group, a randomly selected date in 2009. PRIMARY AND SECONDARY OUTCOME MEASURES: Geometric mean ratios (GMRs) were used to compare income from work and total income from all taxable sources between those injured and the comparison group. Adjusted GMRs estimated income differences up to 36 months following the event date.

RESULTS: Differences in total income increased over time. In the third year, those injured received 6.7% less (adjusted GMR 0.933 (95% CI 0.925 to 0.941)) than the comparison group, equivalent to an average loss of $NZ2628. Restricting to income from work, those injured received 29.2% less than the comparison group at 3 years (adjusted GMR 0.708 (95% CI 0.686 to 0.730)). For both men and women, those injured at 45-49 years consistently had the greatest relative income loss compared with those aged 50-54, 55-59 or 60-64 years.

CONCLUSIONS: Although the substantial impacts of injury on income were mainly mitigated by public income transfers, relative losses in income in those aged 45-64 years increased in the 3 years following injury. Policies focused on adequate compensation and reducing the time away from employment could reduce these financial impacts in older workers.

© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.


Language: en

Keywords

injury; injury outcomes; older workers

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