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Am J Epidemiol. 1987 Dec;126(6):1141-53.

The prevalence of childhood sexual assault. The Los Angeles Epidemiologic Catchment Area Project.

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  • 1Division of Behavioral Sciences and Health Education, UCLA School of Public Health 90024.


This study reports childhood sexual assault data collected as part of a community-based population study on mental health. A household sample, stratified by catchment area, was selected using a two-stage probability technique. A total of 3,132 adults (18 years or older) were interviewed between January 1983 and August 1984. The sample was 46% Hispanic and 42% non-Hispanic white, 47% male and 53% female. Childhood sexual assault was defined as incidents before age 16 years which involved pressure or force for sexual contact. The prevalence (weighted for sampling design and nonresponse) of childhood sexual assault for the total sample was 5.3%. Rates were higher for non-Hispanic whites (8.7%) compared with Hispanics (3.0%), women (6.8%) compared with men (3.8%), and younger persons at the time of interview (6.5%) compared with older persons (3.9%). Most assaults were by an acquaintance and occurred for the first time around age 10 years. Data from a subsample of assaulted respondents show that childhood sexual assaults are not usually accomplished through physical aggression, but rather through persuasion, and through the psychological threat of the assailant being bigger or stronger. Research is needed on the natural history and sequelae of childhood sexual assault.

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