Research: Family Environment

Research has consistently shown that having experienced 'child sexual abuse' is associated with having a negative family background (see this section for evidence). Since a poor family background may exert an independently negative effect, this raises the issue that, when the effects of 'child sexual abuse' (CSA) are studied, some or most of problems correlated with CSA may actually have been caused by the associated family background features.

The best and most well-known study to analyze the influence of family environment on effect size was A meta-analytic examination of assumed properties of child sexual abuse (CSA) using college samples, published in 1998 by Bruce Rind, Philip Tromovitch and Robert Bauserman in the Psychological Bulletin. They found that the presence of 'child sexual abuse' accounted for only 0.81% of adjustment varience -- compared to the 8.41% accounted for by negative family variables. The original text of this study is available at Ipce, and a layman-friendly explanation of the paper is available here

The findings of Rind and his colleagues are not unique. As mentioned in the latter link, Jumper (1995), an oft-cited meta-analysis, found that CSA accounted for 0.8% of the adjustment variation in student samples, 2.25% in community samples, and 7.3% in clinical samples.

Evidence that family environment is more predictive of harm than CSA

Other studies which reached the same conclusions as Rind et al. include:

• Nash, M.R., Hulsey, T.L., Sexton, M.C., et al. (1993). "Long-term sequelae of childhood sexual abuse: Perceived family environment, psychopathology, and dissociation," Journal of Consulting and Clinical Psychology, 61:1–8.

  "Our first hypothesis, that sexual abuse itself is associated with broad-spectrum, general psychological impairment, independent of the effects of perceived family environment, was not supported by the findings. Perceived family environment appears to be an important mediating variable in determining general level of adult psychological distress, so important that we found no significant residual effect for abuse per se on the extent of general psychological impairment. For some victims, sexual abuse may be a signal variable that the home environment is profoundly and broadly pathogenic. Subsequent adult impairment may be an effect not only of abuse but of the context in which it was embedded."

• Fromuth, M.D. (1986). "The relationship of childhood sexual abuse with later psychological and sexual adjustment in a sample of college women," Child Abuse & Neglect, 10:5-15

  "To further explore the nature of the significant relationships found between the SCL-90 variables and sexual abuse, multiple correlations were performed predicting the SCL-90 variables from the presence of childhood sexual abuse and the Parental Support Scale. As can be seen by examining Table 1, the Parental Support Scale was a better predictor of the SCL-90 variables than was the history of childhood sexual abuse. Indeed, semipartial correlations revealed that, except for the Phobic Anxiety Scale (see Table 2), a history of sexual abuse did not significantly increase the prediction of the SCL-90 variables over and above that predicted by the Parental Support Scale alone. This suggests that for all but the Phobic Anxiety Scale, the significant relationships found between childhood sexual abuse and the SCL-90 variables were due to the confounding of the sexual abuse with the family background."

• Friedrich, W., Beilke, R., and Urquiza, A. (1987). "Children from sexually abusive families: A behavioral comparison," Journal of Interpersonal Violence , 2, 391-402.

  "Friedrich et al. (1987) used mulitvariate analysis to explore the effects of abuse and family variables simultaneously on symptomatology. This study found that abuse severity was not a significant predictor of internalizing symptoms when controlling for family variables; instead, internalizing symptoms were predicted by family conflict, family cohesion, and time since disclosure. On the other hand, abuse severity and family variables both contributed significant variance in predicting externalizing symptoms and sexualized behaviors." (as cited by Spaccarelli and Fuchs, 1997, "Variability in Symptom Expression among Sexually Abused Girls: Developing Multivariate Models")

• Harter, S., Alexander, P.C., and Neimeyer, R.A. (1988). "Long-term effects of incestuous child abuse in college women: Social adjustment, social cognition, and family characteristics," Journal of Consulting and Clinical Psychology, 56:5–8.

  "Additional analyses suggested that family characteristics and increased perceptions of social isolation were more predictive of social maladjustment than abuse per se."