Table 2. Age- and multivariate-adjusted logistic regression analysis for risk of HSV-1 infection in men and women in Hisayama, Japan.

	Men						Women
	Participants at risk	Positive for HSV-1	Age-adjusted OR (95% CI)	P value	Multivariate-adjusted OR (95% CI)	P value	Participants at risk	Positive for HSV-1	Age-adjusted OR (95% CI)	P value	Multivariate-adjusted OR (95% CI)	P value
Marital status
​ Married	491	281	1 (referent)		1 (referent)		561	368	1 (referent)		1 (referent)
​ Single	75	33	0.95 (0.55–1.63)	0.84	0.82 (0.47–1.43)	0.48	102	52	1.10 (0.67–1.80)	0.71	0.90 (0.54–1.50)	0.69
Smoking status
​ Never	130	80	1 (referent)		1 (referent)		541	353	1 (referent)		1 (referent)
​ Past	122	73	0.81 (0.49–1.37)	0.44	0.75 (0.44–1.28)	0.27	33	21	1.24 (0.58–2.64)	0.58	1.15 (0.53–2.47)	0.79
​ Current	318	163	0.70 (0.46–1.07)	0.10	0.66 (0.42–1.02)	0.06	91	47	0.75 (0.47–1.20)	0.23	0.72 (0.45–1.17)	0.19
Alcohol intake
​ Never	119	53	1 (referent)		1 (referent)		363	229	1 (referent)		1 (referent)
​ Past	23	16	2.37 (0.89–6.31)	0.08	2.41 (0.89–6.54)	0.08	24	14	0.81 (0.34–1.94)	0.64	0.88 (0.36–2.17)	0.78
​ Current	428	247	1.65 (1.09–2.51)	0.02	1.81 (1.17–2.79)	0.007	278	178	1.15 (0.82–1.61)	0.43	1.17 (0.83–1.65)	0.38

OR: odds ratio; CI: confidence interval; Multivariate adjustment was made for age, marital status, smoking status, and alcohol intake.