Table 3. Adjusted RRs of Math or Reading Proficiency Comparing Induction With Expectant Management During a Given Week of Gestation at Term.
| Variable | Proficient, Adjusted RR (95% CI) | |||
|---|---|---|---|---|
| 39 wk | 40 wk | |||
| Math | Reading | Math | Reading | |
| Group | ||||
| Induction | 1.07 (0.97-1.18) | 0.98 (0.88-1.08) | 0.97 (0.88-1.08) | 0.98 (0.89-1.08) |
| Expectant management | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| Maternal hypertension | ||||
| Yes | 0.85 (0.73-1.00) | 1.03 (0.90-1.18) | 0.79 (0.60-1.05) | 1.00 (0.81-1.24) |
| No | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| Maternal diabetes | ||||
| Yes | 0.75 (0.59-0.94) | 0.99 (0.83-1.19) | 0.75 (0.51-1.11) | 0.92 (0.67-1.28) |
| No | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| Maternal education | ||||
| Less than high school | 0.66 (0.57-0.76) | 0.62 (0.54-0.73) | 0.74 (0.60-0.92) | 0.68 (0.54-0.85) |
| High school diploma | 0.79 (0.73-0.85) | 0.76 (0.70-0.83) | 0.81 (0.72-0.92) | 0.72 (0.63-0.82) |
| Any college | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| Lunch subsidy | ||||
| Free | 0.61 (0.55-0.67) | 0.60 (0.54-0.67) | 0.65 (0.56-0.75) | 0.61 (0.52-0.72) |
| Reduced | 0.83 (0.70-0.99) | 0.91 (0.77-1.07) | 0.78 (0.58-1.04) | 0.90 (0.70-1.16) |
| No subsidy | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| Child race/ethnicity | ||||
| Hispanic | 0.86 (0.77-0.95) | 0.73 (0.65-0.82) | 0.82 (0.69-0.98) | 0.73 (0.60-0.88) |
| Non-Hispanic | ||||
| White | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| Black | 0.68 (0.56-0.84) | 0.72 (0.59-0.88) | 0.64 (0.46-0.89) | 0.74 (0.55-0.99) |
| Other | 0.97 (0.85-1.09) | 0.93 (0.82-1.06) | 1.03 (0.85-1.25) | 0.93 (0.75-1.17) |
| Child sex | ||||
| Male | 0.96 (0.91-1.02) | 0.75 (0.71-0.80) | 0.95 (0.87-1.04) | 0.75 (0.67-0.82) |
| Female | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
Abbreviation: RR, relative risk.