Table 2. Unadjusted and adjusted prevalence odds ratios, with 95% confidence intervals (CI), of the association between antipsychotic medication use and antibody to hepatitis B virus (HBV) among respondents to the 2005–2014 National Health and Nutrition Examination Survey (n = 12,722).

Characteristic	Unadjusted			Adjusted
	OR	[95% CI]	p	aOR	[95% CI]	p
Antipsychotic Use
Yes	1.64	[0.89, 3.02]	0.11	1.01	[0.50, 2.02]	0.98
No	1.00	Ref.		1.00	Ref.
Age, M [95% CI]				1.06	[1.05, 1.07]	<0.001
Sex, % (n)
Male				1.00	Ref.
Female				0.73	[0.60, 0.89]	<0.05
Race, % (n)
Non-Hispanic White				1.00	Ref.
Non-Hispanic Black				4.28	[3.29, 5.55]	<0.001
Hispanic				0.81	[0.51, 1.30]	0.38
All other races				5.56	[3.99, 7.76]	<0.001
Immigrant status, % (n)
Born in United States				1.00	Ref.
Born outside United States				3.03	[2.26, 4.07]	<0.001
Marital status, % (n)
Married or cohabitating				1.00	Ref.
Never married				1.31	[0.96, 1.80]	0.09
Widowed, divorced, or separated				1.11	[0.80, 1.53]	0.52
Education, % (n)
College				1.00	Ref.
High school graduate				1.07	[0.78, 1.47]	0.68
Less than high school				1.05	[0.77, 1.43]	0.75
Income, M [95% CI]				0.85	[0.78, 0.92]	<0.001
Blood transfusion, % (n)
Yes				1.20	[0.83, 1.71]	0.33
No				1.00	Ref.
Alcohol use, % (n)
Yes				0.99	[0.78, 1.27]	0.97
No				1.00	Ref.
Injection drug use, % (n)
Yes				6.14	[3.98, 9.46]	<0.001
No				1.00	Ref.
Sexually transmitted infection, % (n)
Yes				2.19	[1.06, 4.52]	<0.05
No				1.00	Ref.

Notes: OR = bivariate prevalence odds ratio; aOR = multivariable prevalence odds ratio; Ref. = reference.