Serological prevalence and persistence of high-risk human papillomavirus infection among women in Santiago, Chile

BMC Infectious Diseases

Table 3 Determinants of seropositivity against high-risk human papillomavirus ^a among 1021 women from Santiago, Chile, 2001

Characteristics	OR^b(95% CI)
Age (years)
15-20	1.00
21-30	0.70 (0.40-1.22)
31-40	1.24 (0.73-2.11)
41-50	1.09 (0.59-1.69)
51-60	2.15 (1.15-3.32)
≥ 61	2.16 (1.17-3.47)
p-trend	*< 0.001*
Age at first sexual intercourse (years)
15	1.00
16-17	0.79 (0.57-1.08)
18-19	0.66 (0.47-0.92)
≥ 20	0.53 (0.38-0.74)
p-trend	*< 0.001*
Lifetime number of sexual partners
1	1.00
≥2	1.30 (1.01-1.67)
Smoking status
Never	1.00
Former	0.77 (0.59-1.00)
Current	0.71 (0.36-1.40)
Cervical HPV DNA
Negative	1.00
Positive^c	1.48 (0.86-2.56)

^aSeropositivity for at least one of the following high risk HPV types: 16, 18, 31, 33, 35, 45, 52, and 58.
^bGEE estimates, odds ratios (95% confidence interval) adjusted by all variables included in the table (variables with p-value <= 0.2 in univariate analysis).
^cPositive for at least one of the following high risk HPV types: 16, 18, 31, 33, 35, 45, 52, and 58.
Bold: statistically significant (p-value < 0.05).
HPV: human papillomavirus, OR: odds ratio, CI: confidence interval.

ISSN: 1471-2334