A Comparison of Incest Offenders Based on Victim Age

Article Figures & Data

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.

Table 2

Psychological Test and Phallometric Data of Younger-Victim (YV) and Older-Victim (OV) Incest Offenders

Variable	YV		OV		df	t
Variable	n	M (SD)	n	M (SD)	df	t
DSFI	43	26.9 (9.6)	67	32.0 (12.0)	108	−2.32^*
MAST	20	16.9 (17.3)	41	5.1 (8.7)	59	3.58^*
BPRS
Degree of psychiatric disturbance	14	15.4 (8.9)	34	10.5 (6.9)	46	2.05^*
PCL-R
Factor 1	38	8.9 (3.1)	57	8.6 (3.1)	93	0.69
Factor 2	29	7.7 (4.8)	35	5.8 (4.1)	62	1.65
Total score	38	19.1 (7.6)	57	16.4 (6.1)	93	1.88
Phallometric indexes
Pedophile Index	34	1.20 (1.32)	41	0.96 (0.77)	62	−1.02
Pedophile Assault Index	34	1.07 (1.01)	41	1.01 (0.82)	73	−0.22

Table 3

Index Sexual Offense Characteristics and Criminal History of Younger-Victim (YV) and Older-Victim (OV) Incest Offenders

Variable	YV		OV		χ²
Variable	n	%	n	%	χ²
More than two victims	48	49.0	71	17.7	14.46^**
Any male victim	47	25.5	70	10.0	4.99^*
Son/daughter	45	28.9	70	41.4	1.86
Stepdaughter/-son	45	35.6	70	45.7	1.16
Relative (granddaughter/-son, niece/nephew)	45	46.7	70	15.7	13.07^**
Admitted to offense	48	64.6	71	85.9	7.43^**
Influenced by drugs or alcohol	37	37.8	62	21.0	3.32
Threat, violence, or injury	46	32.6	69	8.8	10.57^**
Any previous criminal history
Sexual	48	12.5	71	25.4	2.94
Violent (nonsexual)	48	25.0	71	14.1	2.26
Criminal (nonsexual, nonviolent)	48	13.4	71	12.7	0.71
Any type	48	26.2	71	32.7	0.95

The reported n represents the total number of cases available for a given variable; not all 48 participants had complete data for all variables. The percentages reported are of the corresponding n reported in each sample, for each variable.
df = 1,
* p < .05.
** p < .01.