Clinical factors associated with hepatitis B screening and vaccination in high-risk adults

Table 2 Screening and vaccination cohort patient demographics

	Screening cohort				Vaccination cohort
Demographic	Entire screening cohort (n = 999)	Screened for HBV (n = 556)	Not screened for HBV (n = 443)	P-value	Entire vaccination cohort (n = 556)	Vaccinated against HBV (n = 242)	Not vaccinated against HBV (n = 314)	P-value
Male	60.6%	59.7%	61.6%	0.583	59.7%	59.5%	59.9%	0.999
Age				< 0.001				< 0.001
< 40	4.9%	7.9%	1.1%		7.9%	12.8%	4.1%
41-50	6.7%	11.5%	0.7%		11.5%	14.1%	9.6%
51-60	26.4%	22.3%	31.6%		22.3%	24.4%	20.7%
61-70	36.7%	28.2%	47.4%		28.2%	25.2%	30.6%
71-80	14.6%	15.6%	13.3%		15.6%	12.4%	18.2%
> 80	10.6%	14.4%	5.9%		14.4%	11.2%	16.9%
BMI				0.028				0.047
< 20	7.0%	8.7%	4.8%		8.7%	11.9%	6.3%
20-24.9	26.6%	29.0%	23.5%		29.0%	29.8%	28.3%
25-29.9	32.7%	31.5%	34.2%		31.5%	31.2%	31.8%
30-34.9	20.6%	19.0%	22.5%		19.0%	19.3%	18.9%
> 35	13.1%	11.7%	14.9%		11.7%	7.8%	14.7%
Race				0.006				0.001
White	53.5%	51.9%	48.1%		49.8%	36.1%	63.9%
Black	17.1%	61.4%	38.6%		18.9%	55.2%	44.8%
Hispanic	11.7%	67.5%	32.5%		14.2%	41.8%	58.2%
Other	17.7%	53.7%	46.3%		17.1%	53.7%	46.3%
Insurance				< 0.001				0.488
Private	59.4%	59.5%	40.5%		63.5%	41.4%	58.6%
Medicare	30.1%	53.5%	46.5%		29.0%	46.0%	54.0%
Medicaid	6.8%	45.6%	54.4%		5.6%	51.6%	48.4%
Uninsured	3.7%	29.7%	70.3%		2.0%	54.5%	45.5%

HBV: Hepatitis B virus; BMI: Body mass index.