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Table 1 RDS-adjusted point estimates and confidence intervals of socio-demographic characteristics of people who inject drugs in Mozambique, 2013–2014

From: High prevalence of HIV, HBsAg and anti-HCV positivity among people who injected drugs: results of the first bio-behavioral survey using respondent-driven sampling in two urban areas in Mozambique

 

Maputo (n = 353)

Nampula/Nacala (n = 139)

na

Crude

Adj b %

95% CI

na

Crude

Adj b %

95% CI

Sex

 Male (vs Female)

332

94.1

92.9

87.8–97.1

135

97.1

97.0

92.6–100

Age (Years), median [IQR]c

 

33 [19, 56]

   

28 [18, 60]

  

 18–24

37

10.5

12.5

7.7–17.0

55

39.6

42.6

30.1–56.7

 25–34

179

50.7

54.4

47.4–60.6

50

36.0

34.5

24.1–45.3

  ≥ 35

137

38.8

33.1

27.6–40.6

34

24.5

22.9

12.0–34.4

Marital status

 Single (never married)

226

64.0

65.4

58.7–72.1

63

45.3

49.7

38.4–61.8

 Married or in a conjugal union

55

15.6

16.7

10.9–23.1

48

34.5

32.1

21.7–43.5

 Separated, widowed or divorced

72

20.4

17.8

13.1–23.0

28

20.1

18.3

9.6–27.6

Education

 Primary and below

181

51. 4

57.0

49.5–64.0

29

20.9

28.4

16.5–40.6

 Missing

1

 

 

Primary language spoken at home

 Portuguese (vs Other)

270

76.5

71.4

64.4–78.3

105

75.5

67.6

55.1–79.7

Nationality

 Mozambican (vs Other)

351

99.4

99.8

99.4–100

132

95.0

96.7

93.2–99.3

  1. a Sample includes seeds; no missing responses unless specified
  2. b Estimates and 95% confidence intervals (CI) adjusted for RDS survey design using RDS-I (DS) estimator produced with RDSAT 7.1
  3. c IQR Interquartile range