Infectious Agents and Cancer

Table 1 Distribution of anti-HPV-16-IgG seropositivity in the comparison group

From: The relationship between anti-HPV-16 IgG seropositivity and cancer of the cervix, anogenital organs, oral cavity and pharynx, oesophagus and prostate in a black South African population

	Females				Males
	N	% HPV +ve (>0.45)	p *,#	Mean HPV-16-OD	N	% HPV +ve (>0.45)	P *, #	Mean HPV-16 OD
Age (years)
18–34	113	67.3	0.004*	0.73	76	42.1	0.003*	0.53
35–54	679	66.0		0.76	315	57.8		0.63
55–74	590	58.6		0.65	282	61.3		0.63
All ages	1382	63.0			673	57.8
Years of Education
<4	264	64.8	0.8*	0.71	140	64.3	0.1*	0.70
4–6	224	58.0		0.69	135	56.3		0.62
7–9	529	63.1		0.70	220	60.9		0.63
10 and +	359	64.1		0.73	158	48.7		0.53
Missing	6	-		-	20	-		-
Number of sexual partners
0–1	261	57.9	0.01*	0.66	57	50.9	0.1*	0.56
2–4	834	63.1		0.69	286	55.6		0.64
5+	260	68.1		0.82	299	61.2		0.61
Missing	27	-		-	31	-		-
Current residence
Urban	1154	62.4	0.2#	0.71	557	56.6	0.05#	0.61
Rural	207	67.1		0.72	94	67.0		0.70
Missing	21	-		-	22	-		-
Place of birth
Urban	735	64.6	0.2#	0.74	318	56.0	0.2#	0.58
Rural	646	61.0		0.68	338	60.4		0.66
Missing	1	-		-	17			-
Alcohol consumption
Ever	726	64.7	0.3#	0.73	516	57.6	0.5#	0.61
Never	651	61.1		0.69	139	59.7		0.66
Missing	5	--		-	18	-		-
Smoking
Current	92	69.6	0.5*	0.79	218	58.7	0.8*	0.60
Ex-	184	59.8		0.70	260	58.5		0.56
Never	1094	63.0		0.71	179	55.9		0.64
Missing	12	-		-	16	-		-
Parity
0–2	510	66.9	0.1*	0.77	-	-	-	-
3–5	607	60.3		0.68	-	-	-	-
6+	254	61.0		0.67	-	-	-	-
Missing	11	-	-	-	-	-	-	-

P-values are either tests for trend* or homogeneity#. P-values for variables other than age are age-adjusted.

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