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Table 2 Multiple regression analysis of the association between individual (breed) and grouped (abattoir, season) parameters and porcine cysticercosis infectiona in pigs from 7 regions in the central upland region of Madagascar (n = 51998)

From: Spatio-temporal prevalence of porcine cysticercosis in Madagascar based on meat inspection

Risk factor Category Infected (n = 1884) Not infected (n = 50114) Adjusted odds ratio (95 % CI)c p-value
   n (%)b n (%)b   
Breed indigenous 1709 (6.4 %) 24,951 (93.6 %) 8.46 (6.71-10.7) <10-3
  Commercial 175 (0.7 %) 25,163 (99.3 %) Reference  
Abattoir Abattoir2 170 (4.5 %) 3578 (95.5 %) 3.6 (2.5-5.2) <10-3
  Abattoir1 1714 (3.6 %) 46,536 (96.4 %) Reference  
Season Fall 271 (3.1 %) 8529 (96.9 %) 0.53 (0.32-0.89) <10-2
  Winter 490 (3.3 %) 14,426 (96.7 %) 0.37 (0.23-0.6) <10-3
  Spring 210 (3.6 %) 5676 (96.4 %) 0.32 (0.17-0.61) <10-3
  Summer 913 (4.1 %) 21,483 (95.9 %) Reference  
Region Amoron’I Mania 53 (5.7 %) 870 (94.3 %) 1.17 (0.87-1.58) N.S
  Analamanga 53 (2.1 %) 2435 (97.9 %) 1.1 (0.79-1.52) N.S
  Vakinankaratra 129 (1.5 %) 8481 (98.5 %) 0.1 (0.8-1.2) N.S
  Bongolava 199 (3.2 %) 6034 (96.8 %) 1.2 (1.02-1.44) <10-2
  Haute Matsiatra 937 (7.4 %) 11,763 (92.6 %) 1.64 (1.45-1.84) <10-3
  Ihorombe 58 (8.1 %) 659 (91.9 %) 1.60 (1.2-2.1) <10-3
  Itasy 455 (2.2 %) 19,872 (97.8 %) Reference  
  1. aDetermined using visual meat inspection at the slaughterhouse
  2. b(%) refers to row percentages
  3. c CI Confidence interval