TABLE 2.

Health Care Utilization and Receipt of Preventive Care From Ages 1–3 y, a Comparison of the Lowest and Highest Continuity Quartiles

	Lowest Quartile	Highest Quartile	P
Health care utilization, mean (SD)
Acute care visitsa
ED visits	3.2 (4.0)	2.2 (3.1)	<.001
Hospitalizations	0.7 (2.2)	0.5 (1.9)	.01
ACSHs	0.2 (0.7)	0.1 (0.6)	<.001
Primary care visits
All visits	11.0 (6.1)	8.7 (4.7)	<.001
Well visits	3.6 (0.9)	3.7 (0.9)	.03
Sick visits	6.9 (5.6)	4.5 (4.1)	<.001
Receipt of preventative services, %
Immunization up-to-date
Routine, through 18 mo	60.6	65.0	<.001
Influenza, second eligible winter	40.2	39.9	.74
Anemia screening, by 12 mob	68.0	89.0	<.001
Lead screening, by 12 mob	43.2	78.3	<.001

^aCenter City practices only.

^bMedicaid only.