Table 4

Factors associated with the number (mono or multiple) of HPV infection: unadjusted and adjusted using multinominal logistic regression

	Univariate				p	Multivariate				p
	Monoinfection vs negative		Multiple infections vs negative			Monoinfection vs negative		Multiple infections vs negative
	OR	95% CI	OR	95% CI		OR	95% CI	OR	95% CI
Total observations	412					406
Gender
Male	1.00	–	1.00	–	<0.001	1.00	–	1.00	–	<0.001
Female	8.76	4.56 to 16.83	32.33	12.65 to 82.66	<0.001	7.23	3.64 to 14.33	28.38	10.78 to 74.70	<0.001
Age (years)	0.80*	0.69 to 0.94	0.80*	0.69 to 0.92	0.001	0.85*	0.71 to 1.02	0.87*	0.72 to 1.04	0.134
Marital status
Single	1.00	–	1.00	–	0.632
Married/cohabitating	1.64	0.15 to 18.29	2.66	0.37 to 19.16	0.632
Education
Secondary or less	1.00	–	1.00	–	0.040	1.00	–	1.00	–	0.246
Technical training	0.98	0.54 to 1.79	0.94	0.54 to 1.65		1.42	0.71 to 2.83	1.77	0.87 to 3.61
University grade	0.41	0.19 to 0.87	0.47	0.24 to 0.91		0.59	0.26 to 1.33	0.84	0.38 to 1.85
Occupation
Student	1.00	–	1.00	–	0.784
Employed	1.17	0.41 to 3.36	0.74	0.24 to 2.29	0.784
Religion
Christian	1.00	–	1.00	–	0.764
Other	1.15	0.47 to 2.84	1.35	0.61 to 3.00	0.764
Age at sexual debut
Less than 18	1.00	–	1.00	–	0.003	1.00	–	1.00	–	0.008
18 or more	0.82	0.47 to 1.44	0.36	0.20 to 0.67	0.003	0.91	0.48 to 1.72	0.33	0.16 to 0.67	0.008
Number of sex partners in life
0–1	1.00	–	1.00	–	0.424
>1	0.64	0.29 to 1.43	0.67	0.32 to 1.41	0.424
Number of sex partners in the last 6 months
0–1	1.00	–	1.00	–	0.369
>1	0.65	0.34 to 1.23	0.82	0.47 to 1.44	0.369
Condom use in the last sexual intercourse
No	1.00	–	1.00	–	0.143	1.00	–	1.00	–	0.423
Yes	0.59	0.35 to 1.00	0.80	0.48 to 1.32	0.143	0.81	0.45 to 1.48	1.25	0.68 to 2.31	0.423
Had a STI in life
No	1.00	–	1.00	–	0.003	1.00	–	1.00	–	0.530
Yes	2.33	1.32 to 4.12	2.07	1.21 to 3.55	0.003	1.44	0.76 to 2.72	1.18	0.62 to 2.24	0.530
HIV infection
Positive	0.46	0.06 to 3.79	5.50	2.12 to 14.27	<0.001	0.44	0.05 to 4.04	6.03	1.73 to 21.02	0.003
Negative	1.00	–	1.00	–	<0.001	1.00	–	1.00	–	0.003

*Associated effect of 1-year increase.
HPV, human papillomavirus.