• Amy E Bonomi, Melissa L Anderson, Frederick P Rivara, Elizabeth A Cannon, Paul A Fishman, David Carrell, Robert J Reid, and Robert S Thompson.
• Human Development and Family Science, The Ohio State University, Columbus, OH 43210, USA. bonomi.1@osu.edu
• J Gen Intern Med. 2008 Mar 1; 23 (3): 294299294-9.

BackgroundPhysical and sexual childhood abuse is associated with poor health across the lifespan. However, the association between these types of abuse and actual health care use and costs over the long run has not been documented.ObjectiveTo examine long-term health care utilization and costs associated with physical, sexual, or both physical and sexual childhood abuse.DesignRetrospective cohort.ParticipantsThree thousand three hundred thirty-three women (mean age, 47 years) randomly selected from the membership files of a large integrated health care delivery system.MeasurementsAutomated annual health care utilization and costs were assembled over an average of 7.4 years for women with physical only, sexual only, or both physical and sexual childhood abuse (as reported in a telephone survey), and for women without these abuse histories (reference group).ResultsSignificantly higher annual health care use and costs were observed for women with a child abuse history compared to women without comparable abuse histories. The most pronounced use and costs were observed for women with a history of both physical and sexual child abuse. Women with both abuse types had higher annual mental health (relative risk [RR] = 2.07; 95% confidence interval [95%CI] = 1.67-2.57); emergency department (RR = 1.86; 95%CI = 1.47-2.35); hospital outpatient (RR = 1.35 = 95%CI = 1.10-1.65); pharmacy (incident rate ratio [IRR] = 1.57; 95%CI = 1.33-1.86); primary care (IRR = 1.41; 95%CI = 1.28-1.56); and specialty care use (IRR = 1.32; 95%CI = 1.13-1.54). Total adjusted annual health care costs were 36% higher for women with both abuse types, 22% higher for women with physical abuse only, and 16% higher for women with sexual abuse only.ConclusionsChild abuse is associated with long-term elevated health care use and costs, particularly for women who suffer both physical and sexual abuse.

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