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Table 1 Baseline characteristics of study participants

From: Trust in the provider and accurate self-reported PrEP adherence among adolescent girls and young women in South Africa and Zimbabwe: HPTN 082 study

Baseline Characteristics N (%) or (median, IQR)

Concordant Adherent N = 83

Discordant Non-adherent N = 126

Concordant Non-adherent N = 56

P-valuea

Age, median (years)

21 (20,23)

21 (19,22)

20 (19,22)

0.15

Secondary education

49 (59%)

76 (60%)

30 (54%)

0.69

Regular place to stay

75 (90%)

111 (88%)

51 (91%)

0.66

At least a small chance of acquiring HIV in the next yearb

51 (61%)

57 (45%)

28 (49%)

0.07

Alcoholic drinks past three months

59 (71%)

79 (63%)

37 (66%)

0.43

Has Primary Partner, last 3 months

75 (90%)

106 (84%)

47 (84%)

0.32

Primary partner living with HIV or unknown HIV status

37 (45%)

64 (51%)

33 (59%)

0.25

Age difference with primary partner, median (years)

4 (2,6)

5 (2,7)

3 (2,5)

0.19

Condomless vaginal sex, last monthc

69 (83%)

100 (79%)

50 (89%)

0.29

Condomless anal sex, last monthc

26 (31%)

58 (46%)

24 (43%)

0.10

Have more than one sex partner, last 3 months

6 (7%)

24 (19%)

6 (11%)

0.04

Had alcohol or drug before sex, last month

24 (29%)

34 (27%)

20 (36%)

0.50

Partner provides financial support

52 (63%)

58 (46%)

24 (43%)

0.06

Transactional sex, last 3 monthsd

22 (27%)

30 (24%)

12 (21%)

0.78

Sexually transmitted infection

36 (43%)

45 (36%)

29 (52%)

0.12

CES-D Depression score ≥ 10e

34 (41%)

64 (51%)

31 (55%)

0.20

Intimate partner violence in the past year

41 (49%)

61 (48%)

27 (48%)

0.99

  1. aThe median and interquartile range are provided for continuous variables; p-values are from the Kruskal Wallis test. Percentage and frequency are provided for categorical variable; p-values are from Pearson Chi-squared test
  2. b‘How would you describe your chances of getting HIV in the next year’ was dichotomized as at least a small chance (small/ moderate, great chance and prefer not to answer) and none (no chance)
  3. c‘Prefer not to answer’ responses were categorized as condomless sex
  4. dtransaction sex is defined as having sex with a man in exchange for food, clothes, cosmetics, transportation, and items for children, and other items
  5. eCenter for Epidemiologic Studies Depression Scale is the sum of 10 items (CESD-10) with a range of 0 to 30. CESD-10 score ≥ 10 indicates the likelihood of depressive symptoms