Table 3.
Evaluation of the association between BCoV, diarrhea, and matched variables (age, farm, season, and year)
| Analysis of single factors of interests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Exact logistic regression | Random effect logistic regression | ||||||||
| OR | 95% CI | P‐value | OR | 95% CI | P‐value | ||||
| BCoV (+ve) | +ve | 2.19 | 1.28 | 3.86 | 0.031 | 2.04 | 1.27 | 3.29 | 0.0037 |
| Sex (Male) | Male | 1.87 | 0.99 | 3.68 | 0.054 | 1.77 | 0.99 | 3.14 | 0.050 |
| BCov*age | – | – | – | – | 0.92 | – | – | – | 0.97 |
| BCov*season | – | – | – | – | 0.47 | – | – | – | 0.86 |
| BCov*year | – | – | – | – | 0.03 | – | – | – | 0.17 |
| 2014*BCoV | 2.51 | 1.13 | +inf | 4.74 | 1.62 | 13.9 | |||
| 2015*BCoV | 0.43 | −inf | 0.83 | 1.67 | 0.95 | 2.91 | |||
| 2016*BCoV | 3.36 | 1.85 | +inf | 2.11 | 1.09 | 4.11 | |||
| BCoV*farm | – | – | – | – | 0.76 | – | – | – | 0.84 |
| Final model | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Exact logistic regression | Random effect logistic regression | ||||||||
| OR | 95% CI | P‐value | OR | 95% CI | P‐value | ||||
| BCoV | +ve | 2.16 | 1.26 | 3.83 | 0.004 | 1.96 | 1.21 | 3.17 | 0.006 |
| Sex | Male | 1.84 | 0.95 | 2.95 | 0.072 | 1.63 | 0.91 | 2.92 | 0.097 |
BCoV, Bovine coronavirus; +ve, positive; OR, odds ratio, CI, confidence interval.