Table 4

Adjusted Analysis Predicting the Number of Emergency Department Visits for Children Aged 5 to 17 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	1.01 (0.97–1.05)	–
Parent death	1.03 (0.97–1.10)	–
Parent mental illness	1.17 (1.15–1.20)^a	–
Parent criminal justice involvement	1.02 (1.00–1.04)^a	–
Child abuse/neglect	1.13 (1.11–1.15)^a	–
Homelessness	1.09 (1.06–1.11)^a	–
Poverty	1.25 (1.23–1.28)^a	–
Limited English proficiency	1.04 (1.01–1.07)^a	–
Child mental illness	1.10 (1.08–1.13)^a	–
Child substance abuse	1.37 (1.29–1.45)^a	–
Child juvenile or criminal justice involvement	1.40 (1.33–1.46)^a	–
Number of social complexity risk factors
1 factor	–	1.21 (1.18–1.25)^a
2 factors	–	1.37 (1.32–1.41)^a
3 factors	–	1.52 (1.47–1.57)^a
4 factors	–	1.71 (1.65–1.77)^a
≥5 factors	–	2.06 (1.99–2.14)^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.