TABLE 2.

Distribution of anti-VLP antibodies by different characteristics of women in the general population and in prostitutes^a

Characteristicb	General population		Prostitutes
	No. anti- VLP +vec	(%)	No. anti- VLP +ve	(%)
Age
<25	9/79	11.3	27/42	64.3
25–29	3/35	8.6	31/54	57.4
30–34	10/65	15.4	22/33	66.7
>34	7/104	6.7	29/48	60.4
P value		0.31		0.82
Country of origin
Europe	28/277	10.1	30/49	61.2
Latin America	1/4	25	74/121	61.1
Africa/Asia	0/1	0	5/5	83
P value		0.6		0.66
Education
Up to primary	9/125	7.2	75/121	62.0
Secondary	14/112	12.5	26/46	56.5
Higher education	6/46	13.0	8/9	88.9
P value test for trend		0.32		0.5
Pregnancies
0–1	18/165	10.9	43/71	60.6
>1	11/118	9.3	66/106	62.3
P value		0.66		0.8
Age at first sexual intercourse (*)
≤18	17/130	13.1	89/147	60.6
>18	12/140	8.6	20/30	66.7
P value		0.23		0.52
No. of lifetime sexual partners (*)
1	14/176	7.9	0	0
2	7/51	13.7	0	0
3	2/11	18.2	0	0
4 or more	6/32	18.8	109/177	61.6
P value test for trend		0.04		n.a.
Alcohol
No	15/150	10	22/36	61.1
Yes	14/133	10.5	87/141	61.7
P value		0.88		0.9

^aAnti-VLP positivity represents cumulative results from individual VLP assays for each genotype. +ve, positive. 

^bP values for hetereogeneity test or for linear trend when indicated (*) excluding 13 virgins. 

^cNo. positive/no. tested.