Characteristics of intrafamilial and extrafamilial child sexual abuse.
OBJECTIVE
The precise nature of the differences between intrafamilial and extrafamilial child sexual abuse is not clear. The purpose of the present study is to provide clarification of these differences.


METHODS
Archival data containing 1,037 cases of child sexual abuse were obtained from police files in two western Canadian cities with populations of about 180,000. Two trained research assistants coded and transcribed the data.


RESULTS
Results showed: (1) earlier onset, longer duration, higher level of intrusion, and greater physical and emotional injury for intrafamilial victims; (2) less use of physical/verbal force, or enticements, and greater use of instructions "not to tell" by intrafamilial offenders; (3) more convictions and longer jail sentences for intrafamilial offenders; and (4) no intra-extrafamilial differences in victim sex preference.


CONCLUSIONS
Boys are younger than girls at the time of first abuse in samples of criminal justice and hospital referrals, although only for older aged victims, for example, 8 to 17 years. Although statistically significant, there is little difference in level of intrusion perpetrated by intrafamilial and extrafamilial offenders, both are highly intrusive. Both intrafamilial and extrafamilial offenders use physical/verbal force, with older victims: extrafamilial offenders more often choose older victims, and therefore more often use force. Intrafamilial victims suffer greater physical and emotional injury, resulting from greater intrusion not duration of abuse. It's not clear that victim sex preferences of intra- and extrafamilial offenders exist.
Department of Psychology, University of Saskatchewan, Saskatoon, Canada.
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DG
Fischer
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McDonald
D000293:Adolescent; D000367:Age Factors; D002170:Canada; D002648:Child; D002649:Child Abuse; D002650:Child Abuse, Sexual; D002675:Child, Preschool; D005190:Family; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors