Table 11
Behaviour scores by child's age, 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)
Mean Standard error Mean Standard error Mean Standard error Mean Standard error Mean Standard error Mean Standard error
1. p < .05.
2. Possible scores range from 0 through 16.
3. Possible scores range from 0 through 12.
4. Possible scores range from 0 through 14.
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.
Physical aggression
Ages 2 to 3, (n=2,316)2 4.3 0.1 4.81 0.3 4.6 0.2 4.2 0.1 4.3 0.2 4.0 0.2
Ages 4 to 5, (n=1,687)3 1.5 0.1 1.5 0.2 1.5 0.1 1.4 0.1 1.5 0.1 1.4 0.2
Emotional disorder or anxiety
Ages 2 to 3, (n=2,321)3 1.4 0.1 1.3 0.1 1.4 0.1 1.5 0.1 1.4 0.1 1.6 0.2
Ages 4 to 5, (n=1,684)4 2.3 0.1 2.3 0.3 2.0 0.1 2.2 0.1 2.61 0.2 2.3 0.3
Hyperactivity
Ages 2 to 3, (n=2,314)3 3.6 0.1 4.11 0.2 3.8 0.1 3.5 0.1 3.5 0.1 3.6 0.2
Ages 4 to 5, (n=1,676)4 4.3 0.1 4.5 0.3 4.4 0.2 4.0 0.1 4.4 0.2 4.5 0.4
Positive behaviour
Ages 4 to 5, (n=1,676)3 8.5 0.1 8.2 0.2 8.4 0.1 8.6 0.1 8.6 0.2 8.1 0.3