Table 1
Characteristics of children, by maternal age group

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  Overall Maternal Age Group
Teenaged (younger than 20) Young (20 to 24) Reference (25 to 29) Middle (30 to 34) Older (35 or older)
%
1. p < .05.
2. p < .01.
3. p < .001.
Note: Comparisons by maternal age are made against children of reference mothers.
Table source: Statistics Canada, 2008, "The Children of Older First-time Mothers in Canada: Their Health and Development", Children and Youth Research Paper Series, Catalogue number 89-599-M.
Sample (n=3,382) 100.0 7.5 23.4 34.5 23.9 10.8
Socio-demographic characteristics
Mother's education is high school or less 22.5 74.03 38.03 12.9 9.3 12.9
Low-income household 18.5 64.43 32.03 10.6 6.11 11.8
Mother is single parent 13.7 47.93 25.73 5.7 6.1 6.3
Prenatal
Mother had gestational diabetes 6.0 2.71 5.6 5.5 6.0 10.2
Mother had gestational hypertension 13.7 13.0 11.9 13.1 12.8 22.52
Mother smoked throughout pregnancy 11.7 28.93 17.83 9.6 6.0 6.9
Perinatal
Caesarean delivery 24.3 18.1 18.01 23.3 26.9 39.63
Preterm birth 12.1 9.6 9.6 11.2 14.1 17.41
Low birth weight 7.5 6.9 4.9 6.4 9.5 11.9
Duration of breastfeeding
Never 13.9 27.03 15.7 12.1 12.7 9.3
6 months or less 47.4 54.2 53.9 52.5 37.13 35.03
More than 6 months 28.7 14.52 20.11 26.0 38.83 42.83
Duration unknown 10.1 4.3 10.3 9.3 11.4 12.9