Table 7
Late achievement of developmental milestones, 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.
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.
Late to first sit up by self (8 months or older) 13.6 9.4 12.6 10.5 17.11 20.31
Late to eat solid food (10 months or older) 10.1 8.9 11.6 9.1 8.7 13.7
Late to feed themselves (13 months or older) 11.3 11.1 10.2 9.1 12.8 17.41
Late to say first word (13 months or older) 10.0 7.8 7.4 9.9 11.9 13.9
Late to take first step (14 months or older) 14.0 11.3 14.2 12.1 15.2 18.9