Table 1

Sero-prevalence of syphilis antibodies (according to TPHA-Test) among inpatient drug addicts by gender, sociodemographic factors and sexual behaviour

Male

Female


N with test

% with reactive TPHA -Test

P

N with test

% with reactive TPHA -Test

p 1


Overall

890

1.9

259

8.5

Age groups

0.55

0.05

below 21 years

56

1.8

23

13.0

21–30 years

406

1.7

128

6.3

31–40 years

356

1.7

80

6.3

over 40 years

72

4.2

28

21.4

Illicit drug abuse

0.28

0.13

no or <2 y

91

4.4

33

0

2 to 4 y

193

1.0

45

6.7

5–7 y

106

1.9

31

16.1

>7 y

500

1.8

150

9.3

Migration background

0.184

0.374

Native German

694

1.6

233

9.0

Migrants

196

3.1

26

3.8

Stable partnership

0.60

0.60

no or <1 year

558

1.8

142

9.9

1 to 4 years

171

1.2

72

8.3

≥ 5 years

150

2.7

41

4.9

Number of sexual partners in the last 5 years

0.61

0.00

0–1

247

1.6

49

2.0

2–5

315

2.2

86

3.5

6–20

192

1.0

33

0

>20

136

2.9

91

19.8

Sex for drugs/money

0.52

0.00

never

826

1.8

147

2.7

seldom

22

0

30

0

frequent

22

4.5

75

22.7

Sex on the first day

0.89

0.00

never

502

1.6

120

1.7

seldom

215

1.9

41

2.4

frequent

137

2.2

90

18.9

Condom use with risky partner

0.53

0.01

never

232

1.3

73

1.4

up to half of the cases

166

1.2

34

2.9

in 3/4 of the cases

33

0

14

21.4

nearly always

182

1.6

73

15.1

no risky intercourse

236

3.0

52

7.7


p-value of chi square test or Fisher's exact test, respectively;

Scherbaum et al. BMC Infectious Diseases 2005 5:33   doi:10.1186/1471-2334-5-33

Open Data