Table 3
Adjusted odds ratios relating selected characteristics to low scores on standardized math tests, household population aged 7 to 15, Canada, 1998/1999
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| Characteristic | Adjusted for socio-demographics and chronic conditions (n=4,742) | Adjusted for socio-demographics, school absences and chronic conditions (n=4,616) | Adjusted for socio-demographics, use of educational services and chronic conditions (n=4,739) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Odds ratio | 95% confidence interval | Odds ratio | 95% confidence interval | Odds ratio | 95% confidence interval | ||||
| from | to | from | to | from | to | ||||
| Child | |||||||||
| Age (continuous) | 1.01 | 0.98 | 1.05 | 1.01 | 0.97 | 1.05 | 1.01 | 0.99 | 1.02 |
| Female† | 1.06 | 0.90 | 1.26 | 1.02 | 0.86 | 1.21 | 1.02 | 0.99 | 1.06 |
| Family | |||||||||
| Older maternal age† | 0.98* | 0.97 | 1.00 | 0.98* | 0.96 | 1.00 | 0.98 | 0.97 | 1.00 |
| Female-headed† | 1.91* | 1.53 | 2.37 | 1.91* | 1.52 | 2.40 | 1.84* | 1.46 | 2.32 |
| Higher maternal education† | 0.81* | 0.75 | 0.88 | 0.81* | 0.79 | 0.98 | 0.82* | 0.75 | 0.90 |
| Mother not currently employed† | 0.74 | 0.49 | 1.12 | 0.72 | 0.47 | 1.11 | 0.71 | 0.46 | 1.09 |
| Mother not employed prior year† | 1.53* | 1.24 | 1.88 | 1.59* | 1.28 | 1.97 | 1.63* | 1.31 | 2.04 |
| Higher Income adequacy† | 0.86* | 0.80 | 0.96 | 0.88* | 0.79 | 0.98 | 0.92 | 0.82 | 1.02 |
| Days absent | |||||||||
| 0‡ | … | … | … | 1.00 | … | … | … | … | … |
| 1 to 3 | … | … | … | 1.57* | 1.28 | 1.93 | … | … | … |
| 4 to 6 | … | … | … | 2.05* | 1.52 | 2.75 | … | … | … |
| 7 or more | … | … | … | 2.41* | 1.71 | 3.41 | … | … | … |
| Use of educational services † | … | … | … | … | … | … | 4.79* | 3.72 | 6.17 |
| Chronic condition | |||||||||
| None‡ | 1.00 | … | … | 1.00 | … | … | 1.00 | … | … |
| Asthma | |||||||||
|
Low
|
1.39 | 1.00 | 1.92 | 1.36 | 0.98 | 1.90 | 1.24 | 0.89 | 1.74 |
|
Moderate
|
1.90* | 1.34 | 2.68 | 1.84* | 1.30 | 2.62 | 1.61* | 1.13 | 2.30 |
|
Severe
|
1.62* | 1.17 | 2.25 | 1.59* | 1.14 | 2.22 | 1.41 | 1.00 | 1.98 |
| Other | 1.75* | 1.43 | 2.14 | 1.72* | 1.40 | 2.11 | 1.37* | 1.10 | 1.70 |
|
* significantly different from estimate for reference category (p < 0.05) † reference category is absence of characteristic ‡ reference category § interview date included as a control ... not applicable Notes: All models control for province of residence. Because of rounding, some odds ratios with 1.00 as upper confidence limit are significant. Source: 1998/1999 National Longitudinal Survey of Children and Youth. |
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