Table 1.

The role of primary care physicians and local health districts in determining variation. Lazio Region, 2015

Levels of the health care system	Median Odds Ratiosa
	0-5 years of age	6-13 years of age
Primary care physician	1.52 (95% CI: 1.48-1.56) p < 0.001	1.46 (1.44-1.48) p < 0.001
Local health district	1.39 (1.30-1.52) p < 0.001	1.34 (1.27-1.43) p < 0.001
AIC	343,161	453,904

^aIntercept-only, logistic multilevel models