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Aging, sex, and cost of medical treatment
Hyun Kim1, Jacqueline Moline, Jonathan Dropkin
1Hofstra North Shore-LIJ School of Medicine, Great Neck, NY 11021, USA. Hkim8@nshs.edu
Objective:
Association between medical cost from workplace injuries and aging and its effect modification by sex were examined.
Methods:
Medical costs reimbursed from workers' compensation between 2003 and 2009 were used. A multiple zero-truncated negative binomial regression predicted percent changes in medical cost. Cubic regression spline smoothers tested effect modification.
Results:
Reimbursed medical costs comprised 3452 claims. Medical costs increased with aging; however, the trends differ by sex. Medical cost increase after 10 years of age increase was 27% among men (95% CI = 17% to 38%) and was 15% among women (12% to 22%). Medical cost spent among the youngest women was higher than that for the oldest men. The ratio of cost between the oldest women and oldest men was double.
Conclusions:
Prioritizing controls for injuries in hospitals should focus on women and aging workers.
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