Variables | Total 3512 | HPV only 3087 (84.80) | HPV/STI coinfection 276 (9.60) | STI only 149 (5.60) |
Sex | ||||
Female | 2891 | 2587 (66.27)*† | 196 (52.80)* | 108 (45.80)† |
Male | 621 | 500 (33.73)*† | 80 (47.20)* | 41 (54.20)† |
Age (years) | ||||
<22 | 2005 | 1799 (56.36) | 145 (54.37) | 61 (40.67) |
≥22 | 1507 | 1288 (43.64)† | 131 (45.63) | 88 (59.33)† |
Race/skin colour | ||||
White | 808 | 696 (21.66) | 74 (24.07) | 38 (20.44) |
Black | 569 | 496 (17.07) | 44 (17.18) | 29 (20.72) |
Pardo/brown | 2038 | 1808 (59.26) | 149 (56.03) | 81 (57.86) |
Others | 83 | 74 (2.01) | 8 (2.72) | 1 (0.98) |
Relationship status | ||||
With a partner | 2628 | 2324 (75.11) | 204 (69.42) | 100 (69.24) |
Without a partner | 884 | 763 (24.89) | 72 (30.58) | 49 (30.76) |
Current condom use | 1773 | 1583 (51.76)† | 128 (46.35) | 62 (33.69)† |
Condom use at first sexual intercourse | 2246 | 2001 (60.07) | 161 (59.05) | 84 (54.57) |
Ever been pregnant | 1294 | 1114 (43.94)† | 114 (51.44) | 66 (63.87)† |
Ever had same-sex sexual experience | 158 | 122 (5.25)*† | 20 (18.29)* | 16 (24.41)† |
Alcohol consumption | 2592 | 2250 (73.56)* | 231 (86.04)* | 111 (75.53) |
Drug use | 1009 | 823 (29.79)* | 133 (56.16)*‡ | 53 (33.88)‡ |
Smoking status | ||||
Non-smoker | 2326 | 2099 (64.74)* | 139 (42.09)*‡ | 88 (63.21)‡ |
Smoker | 505 | 396 (14.91)* | 75 (33.01)* | 34 (21.82) |
Ex-smoker | 681 | 592 (20.35) | 62 (24.90) | 27 (14.97) |
Age at first sexual intercourse (years) | 3441 | 15.29 (15.16–15.43)*† | 14.90 (14.46–15.34)* | 14.74 (14.15–15.33)† |
Age of partner at first sexual intercourse (years) | 3141 | 19.09 (18.78–19.40)* | 18.33 (17.61–19.05)*‡ | 19.84 (17.55–22.13)‡ |
Age at first pregnancy (years) | 1301 | 16.88 (16.57–17.20) | 17.28 (16.65–17.92) | 16.46 (14.69–18.23) |
Number of sexual partners in the last year | ||||
≥2 | 227 | 952 (34.14)*† | 129 (53.20)* | 56 (53.04)† |
<2 | 1137 | 2010 (65.86)*† | 128 (46.80)* | 89 (46.96)† |
*Significant differences between HPV only and HPV/STI coinfection groups (P<0.05).
† Significant differences between HPV only and STI only groups (P<0.05).
‡ Significant differences between STI only and HPV/STI coinfection groups (P<0.05).
Results of Poisson regression analysis and Tukey’s post-hoc multiple comparison tests.
HPV, human papillomavirus; STI, sexually transmitted infection.