Table 2:

Characteristics Associated with Agreeing (Strongly/Somewhat) that it is Difficult to Give First Dose of RV by Maximum Age (n=284)

		Difficult to give first dose by maximum age
Variable	Category	Yes (N=84)	No (N=200)	Biv. P-value	MV RR (95% CI)	MV p-value
Practice setting	Community or Hospital based/HMO	25% (21)	17% (34)	0.12	0.98 (0.63–1.53)	0.93
	Private practice	75% (63)	83% (166)		Ref.
Census Location	Rural/Suburban	49% (41)	47% (94)	0.78	Ref.	0.99
	Urban	51% (43)	53% (106)		1.00 (0.70–1.45)
Proportion of patients that have Medicaid or your state’s CHIP	0–49%	55% (46)	73% (140)	0.02	Ref.	0.03
	50–74%	24% (20)	17% (32)		1.51 (0.97–2.34)
	75–100%	20% (17)	11% (21)		1.90 (1.16–3.09)
Practice is <10% Percent Minority (Black, Hispanic, Asian)	Yes	87% (72)	81% (158)	0.22	Ref.	0.68
	No	13% (11)	19% (38)		0.89 (0.52–1.55)
The recommendations for timing of doses of rotavirus vaccination are too complicated	S/S agree	24% (20)	14% (28)	0.04	1.63 (1.10–2.40)	0.04
	S/S disagree	76% (63)	86% (171)		Ref.
Mean (sd) Provider Age in Years		52.9 (10.9)	52.9 (10.2)	0.96	0.99 (0.91–1.08) (Per 5 years)	0.88
Median (IQR) Number of providers in practice		5.0 (4.0–12.0)	6.0 (4.0–9.0)	0.77^	1.01 (0.98–1.04) (Per 10 providers)	0.67

^{^}Wilcoxon Test