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Table 2 Univariate analyses of hosts, clustering and ecological associations with Chagas Sero K-SeT (Pampa del Indio)

From: Lineage-specific rapid diagnostic tests can resolve Trypanosoma cruzi TcII/V/VI ecological and epidemiological associations in the Argentine Chaco

  Category n No. positive (%) OR (95% CI) P-value
Humans Age 292 199 (68.2) 1.00 (0.98–1.01) 0.62
Ethnicity
 Creole 68 50 (73.5) 1  
 Qom 224 149 (66.5) 0.72 (0.38–1.29) 0.28
Gender
 Female 144 100 (69.4) 1  
 Male 148 99 (66.9) 0.89 (0.54–1.46) 0.64
Study area
 II 212 136 (64.2) 1  
 IV 80 63 (78.8) 2.07 (1.15–3.88) 0.02*
Presence of T. infestans in the household
 No 59 43 (72.9) 1  
 Yes 233 156 (67) 0.75 (0.39–1.40) 0.38
Cohabitant with reactive RDT
 No 146 102 (69.9) 1  
 Yes 146 97 (66.4) 0.85 (0.52–1.40) 0.53
Dogs Function
 Guardian 41 26 (63.4) 1  
 Hunting 32 23 (71.9) 1.47 (0.49–4.59) 0.47
Type of hunting
 Sylvatic animals 34 23 (67.6) 1  
 Not hunting 16 11 (68.8) 1.05 (0.25–4.84) 1.00
Place of birth
 In study area 52 36 (69.2) 1  
 Not in study area 12 9 (75) 1.33 (0.28–8.63) 1.00
Ethnicity of the household
 Creole 57 31 (54.4) 1  
 Qom 22 20 (90.1) 8.39 (1.73–78.92) 0.00*
Born after mass spraying
 Yes 5 1 (20) 1  
 No 73 50 (68.5) 8.70 (0.78–436.49) 0.05*
Place of sleeping
 Outside of the domicile 18 12 (66.7) 1  
 Inside of the domicile 14 12 (85.7) 3.00 (0.41–35.07) 0.41
  1. Note: Areas II and IV only. In each case, only those samples where the examined information was known were included in the analysis
  2. * Statistical significance (P ≤ 0.05)
  3. Abbreviations: OR, odds ratio; CI, confidence interval