. Author manuscript; available in PMC: 2009 Jul 16.

Published in final edited form as: J Abnorm Child Psychol. 2007 Sep 6;36(2):247–259. doi: 10.1007/s10802-007-9174-8

Table 1.

Means, standard deviations, and range of scores for study variables

Variable	Minimum	Maximum	M	SD
Toddler difficult temperament	9	44	23.59	6.51
Maternal age at first birth	13	40	21.55	4.56
Maternal aggressive personality	1	15	6.99	2.89
Maternal empathy	18	40	31.15	4.67
Parental nurturance	5	19	13.75	3.10
Parental rejection	−5.25	15.74	0.02	3.53
Youth antisocial behavior	0	18	3.41	2.98

Toddler Difficult Temperament=ICQ Difficultness Factor; Maternal Aggressive Personality=PRF Aggression scale; Maternal Empathy= API Empathy factor; Parental Nurturance=HOME Nurturance scale; Parental Rejection=ECPS Rejecting Parenting composite; Youth Antisocial Behavior=SRD 23-item scale.