TABLE 4.
RR Estimates for Impact of Random Assignment to DC on Infant EMC, ED Visits, and Hospital Overnights: Post Hoc Tests of Moderation (n = 531).
| Variable | Birth to 12-Month Total EMC | 6- to 12-Month Total EMC | Birth to 12-Month ED Visits | Birth to 12-Month Hospital Overnights | ||||
|---|---|---|---|---|---|---|---|---|
| RR | 95% CI | RR | 95% CI | RR | 95% CI | RR | 95% CI | |
| Treatment × birth risk | ||||||||
| No birth risks | 0.63*** | 0.52–0.77 | — | — | — | — | — | — |
| 1 or more birth risks | 0.23*** | 0.15–0.33 | — | — | — | — | — | — |
| Treatment × Medicaid or no insurance | ||||||||
| Private health insurance | 0.23*** | 0.15–0.36 | 0.20*** | 0.08–0.49 | — | — | — | — |
| Medicaid or no insurance | 0.61*** | 0.51–0.73 | 0.91 | 0.69–1.21 | — | — | — | — |
| Treatment × minority status | ||||||||
| Nonminority | 0.23*** | 0.14–0.36 | 0.23*** | 0.11–0.47 | 0.46* | 0.25–0.84 | — | — |
| Minority | 0.65*** | 0.55–0.79 | 0.96 | 0.72–1.28 | 0.96 | 0.78–1.18 | — | — |
| Treatment × single-parent status | ||||||||
| 2-parent family | — | — | 0.51** | 0.34–0.77 | — | — | 0.22*** | 0.14–0.36 |
| Single-parent family | — | — | 0.97 | 0.68–1.39 | — | — | 0.07*** | 0.03–0.14 |
| Treatment × infant gender | ||||||||
| Boys | 0.48*** | 0.38–0.59 | — | — | — | — | 0.10*** | 0.06–0.17 |
| Girls | 0.63*** | 0.48–0.82 | — | — | — | — | 0.30*** | 0.16–0.58 |
Dashes indicate moderator was not a significant overall predictor of outcome. CI, confidence interval; EMC, emergency medical care; RR, risk ratio. *P < .05; **P < .01; ***P < .001.