Table 2

Association of sociodemographic factors, clinical parameters and sexual behaviour with syphilis infection among 1223 drug addicts

Syphilis infection (positive for TPHA)

OR*

95%CI

p-value


Gender

Male

1

[reference group]

<0.00

Female

4.56

[2.37–8.78]

Age groups

below 21 y

1

[reference group]

21–30 y

0.59

[0.19–1.85]

0.363

31–40 y

0.59

[0.18–1.94]

0.383

over 40 y

1.94

[0.56–6.71]

0.295

Illicit drug abuse

no or <2 y

1

[reference group]

2 to 4 y

0.89

[0.23–3.53]

0.872

5–7 y

1.88

[0.52–6.79]

0.334

>7 y

0.96

[0.32–2.92]

0.945

Migration background

native German

1

[reference group]

Migrants

1.51

[0.63–3.62]

0.36

Stable partnership

> 5 years

1

[reference group]

1 to 5 years

1.17

[0.46–2.97]

0.94

<1 year

1.04

[0.35–3.16]

0.74

Number of sexual partners in the last 5 years

0–1

1

[reference group]

2–5

1.71

[0.57–5.17]

0.34

6–20

0.69

[0.13–3.67]

0.67

> 20

5.85

[2.07–16.5]

0.00

Sex for drugs/money

never

1

[reference group]

frequent

8.81

[3.66–21.19]

0.00

Sex on the first day of meeting a partner

never

1

[reference group]

seldom

1.31

[0.44–3.9]

0.63

frequent

4.98

[2.22–11.19]

0.00


OR denotes Odds ratio; CI denotes confidence interval; *adjusted for sex and age (where appropriate)

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

Open Data