Table 2.

Cumulative Proportions of Newly Medicaid-Enrolled Children Ages 3–14 in Iowa with a First Dental Visit at Specified Time Intervals after Enrollment in Medicaid in 2005 (N=10,270)

Variable/Strata	N	Outcome: Proportion with any dental visit*					P-value for comparison across strata**
		6 months	12 months	24 months	36 months	48 months
All children	10,270	0.31	0.46	0.61	0.70	0.78	n/a
MAIN INDEPENDENT VARIABLES
Chronic condition status							P<.0001
Yes	1,355	0.36	0.52	0.67	0.77	0.82
No	8,915	0.30	0.45	0.60	0.69	0.77
Chronic condition severity							P=.25
Less severe chronic condition	993	0.35	0.52	0.67	0.76	0.81
More severe chronic condition	362	0.37	0.53	0.69	0.78	0.85
ASCRIBED FACTORS
Age (years)							P=.07
3 to 7	5,002	0.30	0.46	0.61	0.71	0.78
8 to 12	3,821	0.33	0.48	0.62	0.70	0.78
13 to 14	1,447	0.31	0.43	0.57	0.68	0.77
Sex							P<.05
Female	5,025	0.32	0.47	0.62	0.72	0.78
Male	5,245	0.30	0.45	0.60	0.69	0.77
Race/ethnicity							P<.0001
White	5,152	0.33	0.48	0.63	0.73	0.80
Black	612	0.24	0.38	0.49	0.62	0.70
Other	1,380	0.30	0.46	0.60	0.67	0.75
Unknown or missing	3,126	0.29	0.45	0.60	0.70	0.77
Medicaid eligibility program							P<.0001
Temporary Assistance to Needy Families (TANF)	9,608	0.31	0.46	0.61	0.70	0.78
Supplemental Security Income (SSI)	125	0.19	0.33	0.55	0.68	0.72
Foster care	448	0.34	0.54	0.68	0.76	0.80
Home and Community Based Waiver	65	0.23	0.29	0.36	0.49	0.58
Other	19	0.11	0.11	0.32	0.51	0.51
Total length of Medicaid enrollment 2005–2008 (months)							n/a***
6	178	0.26	-	-	-	-
7 to 12	1,840	0.32	0.41	-	-	-
13 to 24	2,167	0.28	0.42	0.53	-	-
25 to 36	1,898	0.30	0.46	0.59	0.69	-
37 or more	4,187	0.32	0.50	0.67	0.76	0.81
PROXIMAL FACTOR
Child used primary medical care in 2005							P<.0001
Yes	7,845	0.33	0.49	0.64	0.73	0.81
No	2,425	0.24	0.37	0.52	0.61	0.68
IMMEDIATE FACTORS
At least one Medicaid-enrolled sibling in the household							P<.05
Yes	1,907	0.31	0.50	0.64	0.72	0.79
No	8,363	0.31	0.45	0.60	0.70	0.78
At least one Medicaid-enrolled adult in the household							P=.48
Yes	1,263	0.29	0.49	0.63	0.70	0.78
No	9,007	0.31	0.46	0.61	0.71	0.77
INTERMEDIATE FACTOR
Degree of rurality of child’s county of residence							P<.05
Metropolitan	5,557	0.32	0.47	0.62	0.71	0.78
Urban adjacent to metropolitan	2,060	0.29	0.45	0.60	0.70	0.77
Urban non-adjacent to metropolitan	2,030	0.30	0.44	0.58	0.68	0.77
Rural	618	0.32	0.50	0.64	0.74	0.93
DISTAL FACTOR
Resides in a dental Health Professional Shortage Area							P<.05
Yes	6,552	0.31	0.46	0.60	0.70	0.77
No	3,718	0.31	0.47	0.63	0.72	0.79

^*from Kaplan-Meier curves (adjusted for censored data)

^**univariate log rank test results for each covariate (unadjusted for other covariates)

^***significance testing not reported because of temporality-related issues (explained in the Analyses subsection of the Methods section)