Table 3.

Summary Results From 2 Questions Common to BRFSS and NHIS Among Respondents Aged 18 to 64 years

Question/Characteristic	BRFSS% (95% CI)	NHIS% (95% CI)	z Test (P)
No medical care due to cost
Overall	15.1 (14.8-15.4)	7.8 (7.4-8.2)	30.36 (<.001)
Aged 18-34 y	17.6 (17.0-18.2)	7.6 (7.0-8.4)	21.52 (<.001)
Aged 35-54 y	14.6 (14.2-15.0)	8.0 (7.5-8.6)	19.52 (<.001)
Aged 55-64 y	10.9 (10.4-11.5)	7.4 (6.6-8.3)	6.78 (<.001)
Male	13.0 (12.5-13.4)	6.8 (6.3-7.4)	17.34 (<.001)
Female	17.3 (16.9-17.7)	8.7 (8.2-9.3)	25.51 (<.001)
White non-Hispanic	12.7 (12.4-13.0)	7.6 (7.1-8.0)	18.98 (<.001)
Black non-Hispanic	20.3 (19.4-21.3)	9.7 (8.8-10.8)	15.11 (<.001)
Hispanic	21.7 (20.6-22.9)	8.3 (7.5-9.3)	17.84 (<.001)
Other non-Hispanic	16.2 (14.8-17.8)	4.8 (3.6-6.3)	11.07 (<.001)
<High school diploma	27.6 (26.4-28.9)	11.4 (10.4-12.6)	18.75 (<.001)
High school diploma or some college	16.5 (16.1-16.9)	8.8 (8.3-9.3)	22.09 (<.001)
≥College diploma	8.4 (8.0-8.8)	5.0 (4.6-5.5)	10.85 (<.001)
No health insurance coverage
Overall	18.7 (18.4-19.1)	19.3 (18.7-20.0)	−1.67 (.09)
Aged 18-34 y	25.9 (25.2-26.6)	27.0 (25.9-28.2)	−1.67 (.10)
Aged 35-54 y	15.4 (15.0-15.9)	15.8 (15.1-16.6)	−0.93 (.35)
Aged 55-64 y	11.3 (10.8-11.9)	11.7 (10.6-12.9)	−0.65 (.52)
Male	20.3 (19.7-20.8)	21.3 (20.4-22.2)	−1.77 (.08)
Female	17.2 (16.8-17.6)	17.5 (16.8-18.2)	−0.64 (.52)
White non-Hispanic	13.6 (13.3-13.9)	14.1 (13.4-14.7)	−1.29 (.20)
Black non-Hispanic	23.2 (22.2-24.3)	22.9 (21.2-24.7)	0.34 (.73)
Hispanic	37.2 (35.8-38.6)	42.8 (41.0-44.5)	−4.87 (<.001)
Other non-Hispanic	19.2 (17.6-21.0)	20.5 (17.5-23.9)	−0.68 (.50)
<High school diploma	43.6 (42.2-45.2)	41.1 (39.2-43.0)	2.10 (.04)
High school diploma or some college	19.8 (19.4-20.3)	20.4 (19.6-21.2)	−1.10 (.27)
≥College diploma	8.1 (7.7-8.5)	8.8 (8.0-9.6)	−1.51 (.13)

BRFSS indicates Behavioral Risk Factor Surveillance System; NHIS, National Health Interview Survey; CI, confidence interval.