Table 2 Sexual risk factors for HIV infection among SCD cohort
From: Characterization of HIV risks in a Brazilian sickle cell disease population
SCD patients (cases = 152) | Non- SCD participants (controls = 154) | p value | |||
|---|---|---|---|---|---|
Primary outcome | n/median | % | n /median | % | |
Number of sexual partners in previous year (12 months) | |||||
- 0 | 23 | 15.1 | 16 | 10.4 | 3 |
- 1–2 | 107 | 70.4 | 119 | 77.3 | |
- 3 or more | 19 | 12.5 | 17 | 11.0 | |
Don’t Know/ Refuse to Answer | 3 | 2.0 | 2 | 1.3 | |
n/median | IQR | n/median | IQR | ||
Number of sexual partners in the previous year (12 months) | 1 | (1) | 1 | (1) | .8 |
Secondary outcomes | |||||
Number of lifetime partners | 3 | (1–9) | 3 | (1–8) | .8 |
Number of lifetime female partners (for men only) | 5.5 | (3–14) | 5 | (3–15) | .9 |
Age of sexual debut with a woman (for men only) | 18 | (16–19) | 17 | (15–19) | .1 |
Number of lifetime male partners (for men only) | 0 | (0–0) | 0 | (0–0) | .3 |
Age of sexual debut with a man (for men only) | 20 | (16–29) | 15 | (13–18) | .1 |
Number of lifetime male partners (for women only) | 2 | (1–5) | 2 | (1–3) | .1 |
Age of sexual debut with a man (for women only) | 20 | (17–22) | 17.5 | (16–19) | .001 |
Use of condoms with vaginal sex (female only) | n/median | % | n/median | % | |
-Never | 17 | 29.8 | 18 | 25.7 | .8 |
-Sometimes | 26 | 45.6 | 36 | 51.4 | |
-Every time | 14 | 24.6 | 16 | 22.9 | |
Number of anal sex intercourses in past 12 months (female only) | |||||
-None | 64 | 81.0 | 58 | 67.4 | .08 |
-1 to 3 times | 12 | 15.2 | 17 | 19.8 | |
-4 to 10 times | 3 | 3.8 | 4 | 4.7 | |
-More than 10 times | 0 | 0.0 | 5 | 5.8 | |
-Don’t Know/ Refuse to Answer | 0 | 0.0 | 2 | 2.3 | |
Use of condoms with anal sex (female only) | |||||
-Never | 7 | 46.7 | 17 | 60.7 | .7 |
-Sometimes | 6 | 40.0 | 8 | 28.6 | |
-Every time | 2 | 13.3 | 3 | 10.7 | |
Number of insertive anal sex intercourses in past 12 months (males) | |||||
-None | 47 | 64.4 | 41 | 60.3 | .8 |
-1 to 3 times | 11 | 15.1 | 15 | 22.1 | |
-4 to 10 times | 9 | 12.3 | 6 | 8.8 | |
-More than 10 times | 5 | 6.8 | 5 | 7.3 | |
-Don’t Know/ Refuse to Answer | 1 | 1.4 | 1 | 1.5 | |
Use of condoms with insertive anal sex | |||||
-Never | 9 | 34.6 | 7 | 25.9 | .9 |
-Sometimes | 12 | 46.1 | 13 | 48.2 | |
-Every time | 5 | 19.2 | 6 | 22.2 | |
-Don’t Know/ Refuse to Answer | 0 | 0.0 | 1 | 3.7 | |
Number of receptive anal sex intercourses in past 12 months (male) | |||||
-None | 70 | 95.9 | 63 | 92.7 | .3 |
-1 to 3 times | 2 | 2.7 | 2 | 2.9 | |
-4 to 10 times | 0 | 0.0 | 0 | 0.0 | |
-More than 10 times | 1 | 1.4 | 0 | 0.0 | |
-Don’t Know/ Refuse to Answer | 0 | 0.0 | 3 | 4.4 | |
Use of condoms with receptive anal sex (male) | |||||
-Never | 1 | 33.3 | 1 | 20.0 | .7 |
-Sometimes | 1 | 33.3 | 0 | 0.0 | |
-Every time | 1 | 33.3 | 2 | 40.0 | |
-Don’t Know/ Refuse to Answer | 0 | 0.0 | 2 | 40.0 | |
Sexual orientation | |||||
-Straight/heterosexual | 133 | 87.5 | 138 | 89.6 | .6 |
-Bisexual | 5 | 3.3 | 4 | 2.6 | |
-Gay/lesbian/homosexual | 2 | 1.3 | 5 | 3.2 | |
-Something Else | 7 | 4.6 | 4 | 2.6 | |
-Don’t Know/ Refuse to Answer | 5 | 3.3 | 3 | 2.0 | |
Male to male partners | |||||
-Yes | 1 | 1.4 | 2 | 2.9 | .6 |
-No | 72 | 98.6 | 66 | 97.1 | |
Female to female partners | |||||
-Yes | 3 | 3.8 | 2 | 2.3 | .7 |
-No | 76 | 96.2 | 84 | 97.7 | |