Human papillomavirus serology and tobacco smoking in a community control group

BMC Infectious Diseases

Table 4 HPV serology by ever vs. never smoked, stratified by age (above or below the median of 61 years)

HPV16 serology measure	Smoking status	Number negative/positive (<61 years)	OR ^a (95% CI) (<61 years)	p-value (<61 years)	Number negative/positive (≥61 years)	OR ^a (95% CI) (≥61 years)	p-value (≥61 years)
L1	Never	241/11	Ref.	-	166/19	Ref.	-
	Ever	264/29	3.05 (1.42, 6.56)	0.004	353/14	0.31 (0.15, 0.66)	0.003
E1	Never	251/1	Ref.	-	180/5	Ref.	-
	Ever	288/5	4.38 (0.46, 42.1)	0.20	365/3	0.29 (0.07, 1.31)	0.11
E2	Never	244/8	Ref.	-	173/12	Ref.	-
	Ever	285/8	0.85 (0.29, 2.48)	0.77	354/15	0.65 (0.29, 1.48)	0.30
E4	Never	204/48	Ref.	-	151/34	Ref	-
	Ever	240/53	0.94 (0.59, 1.50)	0.80	306/62	0.95 (0.59, 1.53)	0.83
E6	Never	248/4	Ref.	-	183/2	Ref.	-
	Ever	283/10	2.44 (0.70, 8.43)	0.16	359/9	2.85 (0.58, 13.9)	0.19
E7	Never	243/9	Ref.	-	178/7	Ref.	-
	Ever	283/10	1.00 (0.37, 2.71)	0.99	343/25	1.50 (0.62, 3.64)	0.37
Any HPV 16	Never	179/73	Ref.	-	129/56	Ref.	-
	Ever	199/94	1.26 (0.85, 1.87)	0.26	254/114	1.00 (0.67, 1.48)	0.98

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