Human papillomavirus serology and tobacco smoking in a community control group

BMC Infectious Diseases

Table 3 HPV16 serology stratified by smoking status

HPV16 serology measure	Smoking ^b status	Number negative/positive	OR ^a (95% CI)	p-value
L1	Never	407/30	Ref.	-
	Former	472/34	1.11 (0.65, 1.90)	0.70
	Current	130/9	0.92 (0.41, 2.07)	0.85
E1	Never	431/6	Ref.
	Former	501/6	0.87 (0.26, 2.87)	0.82
	Current	137/2	1.25 (0.23, 6.68)	0.80
E2	Never	417/20	Ref.
	Former	490/17	0.73 (0.37, 1.46)	0.38
	Current	135/4	0.64 (0.21, 1.98)	0.44
E4	Never	355/82	Ref.
	Former	415/92	1.01 (0.71, 1.42)	0.97
	Current	117/22	0.82 (0.48, 1.40)	0.46
E6	Never	431/6	Ref.	-
	Former	491/16	2.53 (0.95, 6.81)	0.06
	Current	136/3	1.72 (0.40, 7.31)	0.46
E7	Never	421/16	Ref.	-
	Former	478/29	1.35 (0.70, 2.61)	0.36
	Current	133/6	0.94 (0.35, 2.54)	0.90
Any HPV 16	Never	308/129	Ref.	-
	Former	339/168	1.23 (0.92, 1.65)	0.16
	Current	101/38	0.86 (0.55, 1.34)	0.50

^aAdjusted for age, race, sex, education, and average drinks per week.
^bSmoking status defined by smoking pack-years. Participants who reported zero smoking pack-years were considered to have never smoked. Participants who reported >0 smoking pack years were divided into current and former status based on whether they reported to be current smokers upon entry into the study.

ISSN: 1471-2334