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Table 2 Estimation of SFV prevalence by type of activity with possible simian exposure 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
Characteristics # 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 3.3 (0.8, 12.9) 0.09
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 1.9 (0.7, 5.7) 0.23
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 2.4(0.9, 6.9) 0.10
Forest < daily /never 2809 73.0 8 0.29 ref   ref  
Exposure method1:
Hunted 247 6.4 0 0 NA4   na  
Never 3599 93.6 16 0.45     
Brought animal dead from forest5 93 2.4 1 1.08 2.1 (1.3, 3.4) 0.003 2.2 (1.3, 3.9) 0.007
Never 3753 97.6 15 0.40 ref   ref  
Butchered, Skinned 1617 42.0 9 0.56 1.4 (1.1, 1.8) 0.02 1.4 (0.9, 2.1) 0.13
Never 2229 58.0 7 0.31 ref   ref  
Cooked 2195 57.1 10 0.46 1.2 (0.9, 1.6) 0.17 0.8 (0.5, 1.3) 0.36
Never 1651 42.9 6 0.36 ref   ref  
Ate 3025 78.6 12 0.40 1.2 (0.9, 1.5) 0.26 1.1 (0.7, 1.6) 0.82
Never 821 21.4 4 0.49 ref   ref  
Ate uncooked 33 0.9 0 0 NA   NA  
Never 3813 99.1 16 0.42     
Played with 30 0.8 0 0 NA   NA  
Never 3816 99.2 16 0.42     
Scratched or bitten by 8 0.2 1 12.50 2.8 (0.9, 9.0) 0.08 3.9 (1.2, 13.3) 0.03
Never 3838 99.8 15 0.39 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.
  4. 4 NA, not applicable. Exposure variables were not included in regression models if there were no cases among persons identified as having the exposure.
  5. 5Brought dead animal excludes hunting NHPs.