Table 1

Demographic and Historical Information on Younger-Victim (YV) and Older-Victim (OV) Incest Offenders

Variable	YV		OV		df	t or χ²
Variable	n	M (SD) or %	n	M (SD) or %	df	t or χ²
Age, y	48	40.8 (14.7)	71	39.5 (9.3)	117	−0.65
Years education	40	9.5 (2.7)	62	9.9 (2.5)	100	0.53
Full scale IQ	21	85.2 (15.3)	27	93.3 (14.3)	46	1.87
Ever married	38	79.1	57	91.2	1	2.91
History of drug abuse	41	85.4	64	9.4	1	11.62^**
History of alcohol dependency	42	50.0	63	27.0	1	5.78^*
Family history of violence	34	61.8	42	42.9	1	2.69
Family history of criminality	33	33.3	58	8.6	1	8.86^*
Family history of alcoholism	31	54.8	60	43.3	1	1.09
Sexual abuse	48	45.1	71	39.2	1	0.43
Physical abuse	33	51.5	43	32.6	1	2.77

The reported n represents the total number of cases available for a given variable; not all 48 participants had complete data for all variables. Percentages reported are of the corresponding n reported in each sample, for each variable. Ever married is a dichotomous variable indicating whether the participant had ever been married. Percentages reported indicate the proportion who had been married.
* p < .05.
** p < .01.