Table 1 Demographic, behavioral and clinical characteristics of HIV-positive individuals attending STI services by ART use, Gauteng and Western Cape provinces, 2019

Age (years) (median, IQR)

32

(27–37)

33

(27–38)

32

(27–37)

0.464

Age (years)

  < 25

11

(11.83)

3

(9.38)

8

(13.11)

  ≥  ≥ 25

82

(88.17)

29

(90.63)

53

(86.89)

0.596

Age at first sex:

  < 15 years

10

(10.75)

3

(9.38)

7

(11.48)

  ≥  ≥ 15 years

83

(89.25)

29

(90.63)

54

(88.52)

0.756

Gender

 Male

61

(65.59)

20

(62.50)

41

(67.21)

 Female

32

(34.41)

12

(37.50)

20

(32.79)

0.649

Oral sex in the past 3 months

 No

85

(91.40)

29

(90.63)

56

(91.80)

 Yes

8

(8.60)

3

(9.38)

5

(8.20)

0.847

Receptive anal sex in the past 3 months**

 No

85

(91.40)

31

(96.88)

54

(88.52)

 Yes

8

(8.60)

1

(3.13)

7

(11.48)

0.256

Sex partner type:

 Casual

18

(19.35)

9

(28.12)

9

(14.75)

 Regular

75

(80.65)

23

(71.88)

52

(85.25)

0.167

Number of sex partners (last 3 months)

 One partner

59

(63.44)

21

(65.63)

38

(62.30)

 Two or more partners

34

(36.56)

11

(34.38)

23

(37.70)

0.751

Condom use at the last sexual encounter

 Yes

23

(24.73)

11

(34.38)

12

(19.67)

 No

70

(75.25)

21

(65.63)

49

(80.33)

0.118

STI syndrome, n (%)

 Genital ulcer

26

(27.96)

12

(37.50)

14

(22.95)

 Male urethral

42

(45.16)

11

(34.38)

31

(50.82)

 Vaginal discharge

25

(26.88)

9

(28.13)

16

(26.23)

0.238

Treatment without success for the same STI in the past 3 months

 No

86

(92.47)

28

(87.50)

58

(95.08)

 Yes

7

(7.53)

4

(12.50)

3

(4.92)

0.188

Previous STI in the last 12 months

 No

77

(82.80)

27

(84.38)

50

(81.97)

 Yes

16

(17.20)

5

(81.97)

11

(18.03)

0.770

Month since last HIV test

  < 3 months

35

(37.63)

3

(9.38)

32

(52.46)

  ≥ 3 months

58

(62.37)

29

(90.63)

29

(47.54)

 < 0.001**

Unsuppressed VL (≥ 1000 copies/ml)

 Unsuppressed

61

(65.59)

12

(37.50)

49

(80.33)

 Suppressed

32

(34.41)

23

(62.50)

12

(19.67)

 < 0.001**

Unsuppressed VL ≥ 50 copies/ml

 Unsuppressed

71

(76.34)

18

(56.25)

53

(86.89)

 Suppressed

22

(23.66)

14

(43.75)

8

(13.11)

 < 0.001**