Table 2.

OR and 95% CI of HPV infection by selected characteristics among 955 women (Chile, 2000-2001)

Selected characteristicsHPV
HPV
%
OR* (95% CI)
NegPosPos
Age (y); χ2 per trend, 1.65; P = 0.20<251043022.41
25-341632211.90.5 (0.3-0.9)
35-44197188.40.3 (0.2-0.6)
45-541511710.10.4 (0.2-0.7)
55-641372012.70.5 (0.3-0.9)
>65811515.60.6 (0.3-1.3)
Education (years in school); χ2 per trend 3.67; P = 0.06>121782411.91
8-113064212.11.2 (0.7-2.0)
4-72163313.31.4 (0.8-2.6)
<31332314.71.6 (0.8-3.4)
Smoking; χ2 per trend 7.12; P = 0.01Never378389.11
Former1312013.31.5 (0.8-2.6)
Current
    < 5 cigarette/d1653517.52.1 (1.2-3.5)
    ≥ 5 cigarette/d1552915.82.0 (1.2-3.5)
Ever4518415.71.8 (1.2-2.8)
Marital statusMarried6447810.81
Single732021.51.6 (0.9-3.0)
Separated/divorced/widowed1162417.11.8 (1.0-3.3)
Age at first sexual intercourse; χ2 per trend: 1.78; P = 0.18>21190209.51
19-201351711.21.2 (0.6-2.4)
17-182523712.81.3 (0.7-2.3)
<172474716.01.5 (0.8-2.7)
No. lifetime sexual partners; χ2 per trend: 15.55; P < 0.0011532579.71
22234316.21.8 (1.2-2.8)
>3712122.82.8 (1.6-5.0)
Husband extramarital sexual relationsNo3314512.01
Uncertain9298.90.7 (0.3-1.6)
Yes4036714.31.3 (0.9-2.0)
Condom useNever69810613.21
Ever1271510.60.8 (0.4-1.2)
Intrauterine device useNever2324516.31
Ever6017711.40.8 (0.5-1.2)
Injectable contraceptive useNever used hormonal contraceptive4916411.51
Ever48915.81.8 (0.8-4.0)
Oral contraceptive useNever5026912.11
Ever3225213.91.3 (0.8-1.9)
Current811616.51.4 (0.7-2.6)
Former2423613.01.2 (0.8-1.9)
Duration oral contraceptives; χ2 per trend: 0.02; P = 0.89<31403620.51.9 (1.2-3.0)
≥3183168.00.7 (0.4-1.3)
  • NOTE: Some strata do not add up to the total because of missing values.

    Abbreviations: neg, negative; pos, positive.

  • * Adjusted by age (P < 0.05, in bold).

  • Reference category.