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| Communication skill score | ||||
|---|---|---|---|---|
Mean score age 3 |
Standard error (SE) |
Difference age 3 to age 5 |
Standard error (SE) |
|
| Total (n=3,777) | 9.8 |
0.04 |
+0.61 |
0.04 |
| Sex of child | ||||
| Female | 10.01 |
0.05 |
+0.60 |
0.06 |
| Male | 9.6 |
0.06 |
+0.62 |
0.07 |
| Household income level | ||||
| Below low income cut-off (LICO) (level 1) | 9.22 |
0.12 |
+0.80 |
0.14 |
| LICO to less than 2 times LICO (level 2) | 9.72 |
0.07 |
+0.59 |
0.07 |
| Two times LICO to less than 3 times LICO (level 3) | 10.0 |
0.07 |
+0.57 |
0.07 |
| Three times LICO or above (level 4) | 10.2 |
0.08 |
+0.53 |
0.08 |
| 1. Statistically significant and substantive difference between levels. | ||||
| 2. Statistically significant and substantive differences between level 1 and levels 2, 3, 4; between level 2 and level 4. | ||||
| Notes Statistical significance: p<0.01 for differences between 2 levels of sex of child; p<0.008 for differences among 4 levels of household income level (nominal significance level of p<0.05 adjusted for multiple comparisons). Substantive differences are defined as mean differences of 0.25 of a standard deviation (0.25 SD) or more, as follows: for communication skill score at age 3, 0.25 SD=0.49; for difference score age 3 to age 5, 0.25 SD=0.49. LICO refers to the low income cut-off. |
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| Data source: Statistics Canada, National Longitudinal Survey of Children and Youth, 2002/2003. | ||||
| Table source: Statistics Canada, 2006, Readiness to Learn at School Among Five-year-old Children in Canada, Number 4 in the Children and Youth Research Paper Series, catalogue number 89-599-XWE2006004. | ||||