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Table 2 Univariate and Multivariate Analysis, the association between different variables and the two groups: risk and no risk, in French Guiana with the aid of a modified Poisson regression, n = 815

From: Factors associated with sexual risk taking behavior by precarious urban migrants in French Guiana

Variable Univariate analysis Multivariate analysis
Unadjusted PR [95% CI] Adjusted prevalence ratio [95% CI]** p value
Age Group
 18–29 1 1
 30–39 0.77 [0.63–0.93] 0.88 [0.73–1.05] 0.161*
 40–50 0.51 [0.38–0.68] 0.65 [0.51–0.82] < 0.001
  > 50 0.61 [0.42–0.87] 0.66 [0.47–0.91] 0.013
Sex
 Female 1 1
 Male 2.04 [1.70–2.43] 1.60 [1.34–1.91]  
Type of employment
 Has no job 1 1
 Has a work contract 1.72 [1.30–2.27] 1.46 [1.12–1.91] 0.006
 Works without a contract 2.41 [1.97–2.96] 1.58 [1.29–1.94] < 0.001
 Is a business owner 1.35 [0.68–2.70]* 1.15 [0.59–2.24] 0.692*
Marital status
 Married, living with spouse 1 1
 Married, living with another sex partner 4.50 [1.71–11.81] 3.68 [1.84–7.35] < 0.001
 Married, living alone 3.30 [1.20–9.08] 1.92 [0.75–4.89] 0.171
 Not married, living with regular sex partner 3.20 [1.77–5.80] 2.10 [1.21–3.65] 0.008
 Not married, not living with sex partner 6.66 [3.75–11.83] 3.65 [2.12–6.27] < 0.001
 Other 8.24 [3.09–21.98] 6.04 [2.76–13.22] < 0.001
Pendular migration
 No risk 1 1
 Low risk 2.84 [2.44–3.31] 1.46 [1.19–1.78] 0.001
 High risk 1.23 [0.85–1.80]* 1.16 [0.80–1.68] 0.424*
Engaged in commercial sex recently
 No 1 1
 Yes 3.57 [3.18–4.0] 2.08 [1.77–2.46] < 0.001
Age at first intercourse
  < 16 2.40 [1.96–2.93] 1.53 [1.27–1.86] < 0.001
  ≥ 16 1 1
 Don’t know, no response 1.51 [0.88–2.59]* 1.57 [0.99–2.49] 0.055*
Use of drugs or alcohol before/during sex
 No 1 1
 Yes 2.96 [2.55–3.45] 1.30 [1.08–1.56] 0.006
Perception of risk to contract HIV
 Low Risk 1 1
 High Risk 1.89 [1.49–2.39] 1.41 [1.11–1.80] 0.005
 Don’t Know 1.62 [1.34–1.97] 1.18 [0.97–1.44] 0.102*
  1. *non-significant, p value > 0.05
  2. **CI Confidence Interval