TABLE 2.

Univariate and Multivariable Associations With 30-Day Readmission for Children With Medical Complexity

	Univariate Screen		Final Multivariable Model at Admission	Final Multivariable Model at Discharge
	Unadjusted OR (95% CI)	P	Adjusted OR (95% CI)	Adjusted OR (95% CI)
Admission characteristics
Age		.10a
6 mo–<2 y	Reference		—	—
2–5 y	0.74 (0.48–1.15)		—	—
6–12 y	0.66 (0.43–1.01)		—	—
13–18 y	0.61 (0.40–0.92)		—
Race		.65
White	Reference		—	—
African American	1.38 (0.86–2.15)		—	—
Asian American	1.25 (0.72–2.07)		—	—
Hispanic	1.10 (0.73–1.61)		—	—
Other	0.86 (0.26–2.15)		—	—
Boys	1.20 (0.89–1.63)	.24	—	—
Non-English primary language	1.30 (0.81–2.01)	.25	—	—
Public insurance	1.23 (0.90–1.65)	.19a	—	—
Neighborhood per capita income (per $10 000 increase)	0.94 (0.81–1.08)	.38	—	—
Any admissions in previous 6 mo	2.06 (1.43–2.91)	<.001	1.70 (1.15–2.45)	1.70 (1.16–2.46)
Any ED visits in previous 6 mo	2.43 (1.59–3.61)	<.001	2.04 (1.32–3.10)	2.04 (1.31–3.11)
No. home medications at admission		.01a
0–3	Reference		—	—
4–7	1.15 (0.73–1.76)		—	—
≥8	1.95 (1.23–2.99)		—	—
No. CCC categories		<.001
1	Reference		Reference	Reference
2	1.70 (1.17–2.42)		1.73 (1.19–2.49)	1.56 (1.06–2.26)
≥3	2.38 (1.56–3.56)		2.30 (1.50–3.47)	1.72 (1.08–2.69)
Technology assistance	1.40 (1.00–1.94)	.04a	—	—
Medical admission	1.82 (1.30–2.57)	<.001	1.82 (1.30–2.63)	1.75 (1.23–2.49)
Hospitalization and discharge characteristics		.22
ICU use	0.83 (0.61–1.12)		—	—
Discharge disposition from the hospital		<.001
No services	Reference		—	Reference
With services	2.21 (1.59–3.06)		—	1.69 (1.17–2.44)
Other facility	1.70 (0.89–3.01)		—	1.15 (0.58–2.13)
LOS in d		<.001
0–1	Reference		—	Reference
2–5	1.22 (0.84–1.81)		—	1.15 (0.78–1.72)
≥6	2.13 (1.41–3.25)		—	1.45 (0.90–2.33)
Weekday discharge	1.41 (0.98–2.08)	.07	—	1.23 (0.84–1.85)

OR, odds ratio; —, not applicable.

^aPassed univariate screen but eliminated from model by backward selection.