TABLE 2—

Risk Factors for Having Less Knowledge (n = 788)

	Unadjusted RR	95% CI	Adjusted RR	95% CI
Education
< Ninth grade	1.41	0.85, 2.34	1.62	0.90, 2.91
Some high school	1.14	0.78, 1.68	1.12	0.73, 1.72
High school diploma	1.20	0.84, 1.71	1.12	0.77, 1.63
> High school	Reference	Reference	Reference	Reference
Physical health problem in past 4 wk	1.65	1.21, 2.25	1.61	1.14, 2.28
Mental health problem in past 4 wk	1.34	0.98, 1.84	1.20	0.84, 1.71
Received Medicaid in last 2 y	0.55	0.40, 0.76)	0.50	0.35, 0.72
Received welfare in last 2 y	1.49	1.04, 2.13	1.46	0.97, 2.19
All children insured	0.71	0.52, 0.96	0.79	0.55, 1.12
Female	0.92	0.29, 2.92	0.99	0.29, 3.32
Race/ethnicity
Non-Hispanic White	Reference	Reference	Reference	Reference
Non-Hispanic Black	1.25	0.88, 1.77	1.56	1.04, 2.36
Hispanic origin	1.07	0.76, 1.52	0.98	0.66, 1.46
Other	1.12	0.41, 3.10	1.53	0.53, 4.40
1-parent household	1.13	0.85, 1.50	0.97	0.67, 1.42
Monthly household income, $
0	Reference	Reference	Reference	Reference
0–1000	0.97	0.64, 1.48	0.93	0.58, 1.48
1001–3000	0.70	0.50, 1.00	0.62	0.42, 0.92
≥ 3001	0.79	0.53, 1.19	0.74	0.45, 1.21
Age, y
18–25	Reference	Reference	Reference	Reference
26–35	1.07	0.77, 1.5	1.16	0.80, 1.68
> 35	1.06	0.75, 1.49	0.90	0.61, 1.33
Number of children in household
1	Reference	Reference	Reference	Reference
2	0.77	0.55, 1.09	0.80	0.55, 1.15
3	0.88	0.59, 1.32	0.92	0.59, 1.41
≥ 4	0.59	0.37, 0.94	0.52	0.31, 0.86
Simplification of enrollment proceduresa	0.76	0.64, .90	0.77	0.63, 0.95
Region
Northeast	Reference	Reference	Reference	Reference
South	1.96	1.28, 2.99	1.53	0.92, 2.54
Midwest	1.79	1.08, 2.97	1.70	0.98, 2.94
West	1.29	0.82, 2.02	0.99	0.59, 1.66

Note. RR = relative risk; CI = confidence interval. ^a The Medicaid enrollment simplification variable ranged from 0 to 4 and was the sum of the number of 4 simplification policies enacted in each state