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Table 3 Multivariate analysis for the risk of having at least one pregnancy during sex work (n = 866)

From: Overview and factors associated with pregnancies and abortions occurring in sex workers in Benin

Sociodemographic characteristics aPR 95% CI P-value* P-trend**
Age
  < 20 1    
 20–24 0.91 0.4–1.7   
 25–29 0.71 0.3–1.5   
 30–34 0.32 0.2–0.7   
 35–39 0.26 0.1–0.7   
  ≥ 40 0.29 0.1–0.7 < 0.0001 < 0.0001
Country of origin
 Benin 1    
 Ghana 0.83 0.4–1.7   
 Togo 1.28 0.9–1.8   
 Nigeria 1.29 0.9–1.8   
 Other 2.42 1.3–4.5 0.0343
Has a boyfriend
 No 1    
 Yes 1.74 1.1–2.8 0.0246
Sexual behaviors
Duration in sex work (years)
  ≤ 1 1    
 2 1.45 0.8–2.6   
 3–4 2.22 1.4–3.5   
 5–9 2.94 1.9–4.6   
  ≥ 10 4.01 2.0–7.9 < 0.0001 < 0.0001
Prevention services
HIV testing at least once during lifetime
 No 1    
 Yes 3.74 1.–9.2 0.0040  
Contraception
Condom use (the last 7 days)
 With non-paying partners
  Never/ Not always 1    
  Always 0.55 0.3–0.9   
  No sexual relation 0.60 0.4–0.9 0.0069  
  1. * p-value in the multivariate analysis, adjusted for the year of the two different surveys; p-values written in bold are ≤0.05
  2. ** p-value, test for linear trend in the multivariate analysis, adjusted for the year of the two different surveys; p-values written in bold are ≤0.05
  3. ° In FCFA (1 US dollars ± = 500 FCFA)