Table 2

Factors associated with syphilis infection among pregnant women in Bobo-Dioulasso, Burkina Faso, 1995–8

Single variable analysisMultivariable analysis
CharacteristicSyphilis serology (+) % (n=26)Syphilis serology (−) % (n=10 980)OR (95% CI)*p ValueOR (95% CI)*p Value
*Odds ratio (95% CI).
Age
<20 years19.216.51.1 (0.4–3.6)0.821.2 (0.3–5.9)0.82
20–29 years53.857.10.9 (0.4–2.3)0.921.1 (0.4–3.0)0.92
≥30 years26.926.41.01.0
Number of pregnancies
123.122.41.0 (0.4–2.6)0.971.1 (0.1–10.5)0.95
219.220.80.9 (0.3–2.5)0.860.4 (0.0–8.1)0.57
≥357.756.91.01.0
Number of deliveries
030.824.31.3 (0.5–3.1)0.562.9 (0.2–44.6)0.45
115.421.50.7 (0.2–2.2)0.580.7 (0.1–6.3)0.73
≥253.854.31.01.0
Number of miscarriages
073.185.21.01.0
≥126.914.82.1 (0.9–5.1)0.081.8 (0.6–5.4)0.31
Number of stillbirths
096.296.81.01.0
≥13.83.21.2 (0.2–8.8)0.860.9 (0.1–7.1)0.94
Marital status
Single/separated/widowed11.511.61.01.0
Married, living together88.588.41.0 (0.3–3.4)0.981.0 (0.3–3.6)0.98
Literacy
Illiterate84.565.22.9 (1.0–8.5)0.043.8 (1.2–11.50.02
Literate15.434.81.01.0
Number of casual partners in the past year
069.292.21.01.0
≥130.87.85.3 (2.3–12.1)<0.0014.5 (1.6.12.4)<0.01
Condom use in the past year
Yes7.76.51.01.0
No92.393.50.8 (0.2–5.1)0.680.5 (0.1–2.5)0.43
Travel in the past year
Yes30.811.03.6 (1.6–8.3)<0.012.2 (0.8–5.9)0.12
No69.289.01.01.0
HIV status
Seropositive23.18.83.1 (1.3–7.8)0.012.6 (1.0–6.7)0.04
Seronegative76.991.21.01.0