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Table 3 Substance use, sharing behaviours, sexual risks and incarceration experience, 2011-14b

From: High variability of HIV and HCV seroprevalence and risk behaviours among people who inject drugs: results from a cross-sectional study using respondent-driven sampling in eight German cities (2011–14)

 

Berlin n = 337

Essen n = 197

Leipzig n = 130

Frankfurt n = 285

Cologne n = 322

Hanover n = 252

Munich n = 235

Hamburg n = 319

range (min-max)

n

%

n

%

n

%

n

%

n

%

n

%

n

%

n

%

 

%

Years of injecting (mean ± SD; median; range)

13.4 ± 8.8; 13.0; 0-43

16.9 ± 9.0; 17.5; 0-40

10.0 ± 6.1; 10.0; 0-30

17.4 ± 10.0; 16.0; 0-44

17.9 ± 9.0; 18.0; 0-42

17.6 ± 9.4; 18.0; 0-43

17.4 ± 9.1; 17.5; 0-45

18.0 ± 9.4; 18.0; 0-43

10.0-18.0

Injecting <2 years

26

7.8

10

5.1

14

11.1

14

4.9

13

4.0

8

3.2

12

5.2

19

6.0

3.2-11.1

Injected drugs (last 30d)

279

82.8

170

86.3

99

76.2

238

83.5

263

81.7

202

80.2

187

79.6

282

88.4

76.2-88.4

Injected daily (last 30d)

108

39.1

57

33.7

29

30.2

72

31.2

84

32.3

65

32.2

32

17.2

69

24.7

17.2-39.1

Heroin consumed (last 30d)

280

83.1

154

78.2

89

68.5

224

78.6

275

85.4

189

75.0

133

56.8

201

63.2

56.6-85.4

Cocaine consumed (last 30d)

125

37.1

120

60.9

23

17.7

125

44.0

150

46.7

166

65.9

49

20.9

255

79.9

17.7-79.9

Crack consumed (last 30d)

8

2.4

6

3.1

1

0.8

204

71.6

6

1.9

147

58.6

1

0.4

146

45.9

0.4-71.6

Methamphetamine (last 30d)

9

2.7

0

0.0

87

67.4

4

1.4

3

0.9

0

0.0

15

6.4

7

2.2

0.0-67.4

Unsafe Use behaviour

 Shared needle/syringes (last 30d)

40

15.0

32

19.2

17

17.9

11

4.7

51

19.5

44

22.3

24

13.2

29

10.6

4.7-22.3

 Shared equipment (spoon, filter, water) (last 30d)

99

37.5

56

33.5

40

42.6

99

43.8

84

33.6

64

33.0

61

34.5

87

33.0

33.0-43.8

Sexual risks

 Sexual intercourse (last 12 m)

237

72.9

144

77.0

110

84.6

228

80.9

224

74.2

182

73.7

193

82.1

237

75.0

72.9-84.6

 No condom use during last sexual intercourse

130

56.1

59

44.9

45

63.4

125

56.3

138

61.6

109

60.2

130

69.1

134

56.5

44.9-69.1

 Last sex partner was IDU

134

57.5

73

51.4

70

68.6

139

65.6

120

56.1

105

64.4

127

69.4

118

54.1

51.4-69.4

Incarceration

 Ever incarcerateda

257

76.5

169

85.8

108

83.1

239

84.2

262

81.9

214

85.6

171

72.8

254

79.6

72.8-85.8

 Total duration of incarceration (yr) Mean ± SD; median; range

3.8 ± 4.5; 2.0; 0-26

5.3 ± 5.2; 4.0; 0-23

3.4 ± 4.3; 2.0; 0-24

5.1 ± 5.5; 3.0; 0-29

4.8 ± 5.0; 3.0; 0-23

6.5 ± 6.3; 5.0; 0-30

3.2 ± 3.6; 2.0; 0-15

5.0 ± 4.9; 4.0; 0-20

2.0-5.0

 Injecting in prison (ever)

101

39.3

55

32.7

19

17.8

59

24.7

78

29.9

78

37.0

35

20.5

70

27.7

17.8-39.3

 Shared needle/syringes/equipment (among those injecting during their last imprisonment)

32

33.0

20

37.7

7

38.9

20

36.4

38

49.4

32

41.0

14

40.0

33

48.5

33.0-49.4

 Unprofessionally tattooed/pierced in prison (ever)

81

24.2

67

34.5

39

32.2

79

27.8

97

30.2

76

30.3

45

19.4

71

22.3

19.4-34.5

  1. aIncluding juvenile arrest/prison, pre-trial custody, prison, forensic commitment
  2. bFootnote (for Table 3): Because not all participants replied to every variable, some variables include missing values. This means that the city-specific denominator for some variables might be lower than the n displayed at the top of the table