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Table 4 Unweighted pooled estimates of risk factors associated with self-reported Sexually Transmitted Infections among Female Sex Workers (N = 1242), Mozambique 2012

From: High burden of self-reported sexually transmitted infections among key populations in Mozambique: the urgent need for an integrated surveillance system

Variables Prevalence Crude Odds Ratio Adjusted Odds Ratio
n/N (%) OR 95% CI p-value aOR 95% CI p-value
Survey City
 Maputo 106/400 26.5 0.9 0.7–1.3 0.006 1.1 0.8–1.6 0.126
 Beira 171/411 41.6 1.9 1.4–2.5 < 0.001 2.0 1.5–2.8 < 0.001
 Nampula 119/429 27.7 REF    REF   
Age (years)
 15–24 279/888 31.4       
 25 and over 117/352 33.2       
Marital Status
 Single or never married 239/798 30.0 REF    REF   
 Married/Co-habiting 42/87 48.3 2.2 1.4–3.4 0.001 2.0 1.2–3.3 0.005
 Other (widowed, divorced or separated) 115/352 32.7 1.1 0.9–1.5 0.101 1.0 0.8–1.4 0.079
Education Level
 No education or Primary level education 154/458 33.6     1.0 0.8–1.4 0.750
 Secondary education or higher 242/779 31.1       
Work aside from sex work
 Other work 122/294 41.5 1.7 1.3–2.3 < 0.001 1.5 1.1–2.0 0.007
 No other work 274/943 29.1 REF    REF   
Binge drinking (6 or more alcoholic drinks per event)
 Yes 125/334 37.4 1.4 1.1–1.8 0.013 1.2 0.9–1.6 0.153
 No 270/901 30.0 REF    REF   
Physical Violencea
 Yes 78/172 45.4 2.0 1.4–2.7 < 0.001 1.5 1.1–2.2 0.023
 Never 316/1061 29.8 REF    REF   
Sexual Violencea
 Yes 71/138 51.5 2.5 1.8–3.6 < 0.001 2.0 1.3–2.9 0.001
 No 325/1098 29.6 REF    REF   
Illicit drug use
 Yes 16/24 66.7 4.4 1.9–10.3 < 0.001 4.0 1.5–10.5 0.005
 No 380/1213 31.3 REF    REF   
HIV infection
 Positive 123/341 36.1 1.3 1.0–1.7 0.060 1.2 0.9–1.6 0.253
 Negative 273/896 30.5 REF    REF   
Comprehensive prevention services**
 Yes 80/207 38.7 1.4 1.0–1.9 0.025 1.4 1.0–2.0 0.031
 No 316/1030 30.7 REF    REF   
Condom use with last client
 No condom 123/316 38.9 1.5 1.2–2.0 0.002 1.4 1.0–1.9 0.030
 Condom 271/919 29.5 REF    REF   
Concurrent stable romantic partner & sex work
 Yes 184/485 37.9 1.6 1.2–2.0 < 0.001 1.4 1.1–1.9 0.007
 No 210/745 28.2 REF    REF   
  1. **Comprehensive prevention services refers to peer education & Information education and communication (IEC) materials