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. Author manuscript; available in PMC: 2012 Feb 21.
Published in final edited form as: Aggress Behav. 2009 Jul-Aug;35(4):285–295. doi: 10.1002/ab.20309

TABLE I.

Characteristics of the Sample

Two biological parents 87.50%
Sex ratio (boys/girls) 43/42
Average age (years) 33.6 (7.9)
of father (SD), range 20–55
Average age (years) 31.3 (7.2)
of mother (SD), range 17–43
Average age (months) 45.8 (12.9)
of children (SD), range 22–71
Average number of children 1.7 (.8)
(SD), range 40.0%
Average number of years of 14.0 (3.3)
Schooling of father (SD), range 14
Average hours with child 13.98 (6.1)
Per week (SD), range 4.5–32.0
Ethnicity of father
North American 80.3%
Latin American 7.9%
Haitian 5.3%
Other 6.6%
Ethnicity of mother
North American 93.8%
Latin American 4.2%
Other 2.1%
Fathers’ schooling
12 years or less 32.50%
13–15 years 29.90%
16 years and more 35.10%
Fathers employed 78.70%
Mothers employed 65.00%
Family income ($Can)
0–39,999 33.30%
40–59,000 33.30%
60,000 and more 33.30%