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Table 3 Assessment of risk factors of Dirofilaria immitis infection and results of multiple Generalized Linear Model (GLM) for the risk factors driving Dirofilaria immitis

From: Dirofilaria infections in dogs in different areas of Greece

Variable Odds ratio 95 % CI GLM (multiple)
P-value
City
 Thessaloniki vs Attica 26.8 6.4–185.5 < 0.001***
 Larisa vs Attica 11.9 2.6–85.5 0.003**
 Achaia vs Attica 6.0 1.3–42.1 0.033*
 Heraklion vs Attica ns   0.989
Age category
 2–7 vs ≤ 2 6.4 1.6–43.0 0.019*
  > 7 vs ≤ 2 9.5 2.2–67.4 0.007**
Usage
 Guard vs Pet 8.2 2.4–33.0 0.001**
 Hunter vs Pet 5.3 1.6–20.8 0.009**
Dogs
 Yes vs No ns   0.331
Day living
 Outside vs Inside ns   0.356
Night living
 Outside vs Inside ns   0.733
Outside life
 Partially vs None ns   0.464
 Exclusively vs None ns   0.363
Water pools
 Yes vs No ns   0.910
  1. *P < 0.05; **P < 0.01; ***P < 0.001