Table 3

Adjusted Analysis Predicting the Number of Emergency Department Visits for Children Aged Younger Than 5 Years

Predictor	Model 1: Incidence Rate Ratio (95% Wald CI)	Model 2: Incidence Rate Ratio (95% Wald CI)
Social complexity risk factor
Parent domestic violence	0.96 (0.92–1.00)	–
Parent death	0.85 (0.74–0.98)	–
Parent mental illness	1.21 (1.19–1.24)^a	–
Parent criminal justice involvement	1.11 (1.09–1.13)^a	–
Child abuse/neglect	1.08 (1.06–1.10)^a	–
Homelessness	1.05 (1.03–1.08)^a	–
Poverty	1.25 (1.23–1.28)^a	–
Limited English proficiency	1.17 (1.14–1.19)^a	–
Number of social complexity risk factors
1 factor	–	1.24 (1.21–1.28)^a
2 factors	–	1.48 (1.43–1.52)^a
3 factors	–	1.62 (1.57–1.67)^a
4 factors	–	1.76 (1.70–1.83)^a
≥5 factors	–	1.92 (1.85–2.00)^a

Note: Adjusted for child sex, race/ethnicity, age, level of medical complexity, and length of Medicaid coverage (months).
↵a Significant at P <.0001 level.