Table 2 Odds ratios for geographical origin and season of Tibetan sheep as risk factors for Toxoplasma gondii in Tibetan sheep (n =1732)
Factor | Category | Prevalence (%) | OR | 95% CI | P-value |
|---|---|---|---|---|---|
Region | Tianzhu | 16.8 | - | - | - |
Maqu | 24.7 | 1.637 | 1.291-2.075 | P < 0.001 | |
Season | Winter | 16.5 | - | - | - |
Autumn | 18.4 | 1.113 | 0.777-1.594 | P = 0.559 | |
Summer | 23.6 | 1.608 | 1.122-2.303 | P = 0.010 | |
Spring | 22.5 | 1.419 | 1.002-2.011 | P = 0.049 |