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. 2020 Oct 23;20:1606. doi: 10.1186/s12889-020-09702-5

Table 2.

Sexual risk factors for HIV infection among SCD cohort

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