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| Characteristics | Training sample | NLSCY sample | ||||
|---|---|---|---|---|---|---|
| % | 99% confidence interval | % | 99% confidence interval | |||
| from | to | from | to | |||
| Male sex | 51.3 | 48.8 | 53.7 | 51.3 | 48.0 | 53.7 |
| Low maternal education | 16.7 | 15.1 | 18.3 | 17.1 | 15.4 | 18.7 |
| Low household income | 16.3 | 14.7 | 17.9 | 17.0 | 15.4 | 18.7 |
| Current methylphenidate use | 2.0 | 1.3 | 2.6 | 1.9 | 1.4 | 2.5 |
| Diagnosed emotional disorder† | 1.9 | 1.3 | 2.4 | 1.7 | 1.1 | 2.3 |
| Impairment in academic, social or family functioning | 4.9 | 4.0 | 5.8 | 4.7 | 3.7 | 5.7 |
| † emotional, psychological or nervous disorder Notes: Determined using cross-sectional weights from Statistics Canada, normalized for missing values. Training sample = 10,370 observations, representing 2,354,000; NLSCY sample = 10,498 observations, representing 2,360,300. Source: 1994/1995 National Longitudinal Survey of Children and Youth. |
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