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Table 1 Estimation of SFV prevalence by exposure to different simian species in DRC

From: Novel simian foamy virus infections from multiple monkey species in women from the Democratic Republic of Congo

  Single variable models Multivariable model
Characteristic # Exposed Percent of population # Infected Prevalence (%) Odds ratio2(95% CL) p-Value Odds ratio2(95% CL) p-Value
Female 2238 58.2 12 0.54 2.2 (0.7, 6.7) 0.18 1.8 (0.6, 5.7) 0.31
Male 1608 41.8 4 0.25 ref3   ref  
Age ≥ 45 635 16.5 5 0.79 2.3 (0.8, 6.7) 0.12 2.3 (0.8, 6.7) 0.13
Age < 45 3211 83.5 11 0.34 ref   ref  
Forest daily 1037 27.0 8 0.77 2.7 (1.0, 7.3) <0.05 3.0 (1.0, 8.7) <0.05
Forest <daily/never 2809 73.0 8 0.29 ref   ref  
Exposure1 to:
Black mangabey 1781 46.3 12 0.67 3.5 (1.1, 10.9) 0.03 3.5 (0.8, 14.3) 0.09
No Black mangabey 2065 53.7 4 0.19 ref   ref  
Red-tailed guenon 1621 42.1 6 0.37 0.8 (0.3, 2.3) 0.71 0.6 (0.2, 2.2) 0.43
No red-tailed guenon 2225 57.9 10 0.45 ref   ref  
DeBrazza’s monkey 1273 33.1 4 0.31 0.7 (0.2, 2.1) 0.49 0.6 (0.2, 2.6) 0.50
No DeBrazza’s monkey 2573 66.9 12 0.47 ref   ref  
Agile mangabey 697 18.1 4 0.57 1.5 (0.5, 4.7) 0.48 1.2 (0.2, 5.9) 0.84
No agile mangabey 3149 81.9 12 0.38 ref   ref  
Wolf’s guenon 977 25.4 4 0.41 1.0 (0.3, 3.1) 0.97 1.2 (0.3, 5.1) 0.78
No Wolf’s guenon 2869 74.6 12 0.42 ref   ref  
Chimpanzee 498 13.0 2 0.40 1.0 (0.2, 4.2) 0.96 0.5 (0.1, 3.2) 0.46
No Chimpanzee 3348 87.0 14 0.42 ref   ref  
Angolan colobus 1265 32.9 10 0.79 3.4 (1.2, 9.4) 0.02 4.0 (1.1, 14.7) 0.04
No Angolan colobus 2581 67.1 6 0.23 ref   ref  
Gorilla 453 11.8 3 0.66 1.7 (0.5, 6.1) 0.39 2.6 (0.5, 13.9) 0.27
No Gorilla 3393 88.2 13 0.38 ref   ref  
Tshuapa’s red colobus 1390 36.1 5 0.36 0.8 (0.3, 2.3) 0.68 0.2 (0.1, 1.0) >0.05
No red colobus 2456 63.9 11 0.45 ref   ref  
Unidentified NHP 2470 64.2 10 0.41 0.9 (0.3, 2.6) 0.89 0.7 (0.2, 2.2) 0.50
No Unidentified NHP 1376 35.8 6 0.44 ref   ref  
  1. 1Exposure behavior is discrete variable 0:6; primates with higher SFV prevalence (black mangabey, agile mangabey, Wolf’s guenon, Angolan colobus, gorilla) each represent 1 species-exposure, whereas the other five species groups represent 1-species-exposure collectively.
  2. 2The odds ratio is interpreted as 1 greater species-exposure. The descriptive percentage and estimated prevalence rates reflect any exposure to 1 or more species.
  3. 3 ref, reference group in regression models.