Table 2.
Association between the presence of C. spp. in faecal and environmental swab samples and risk factors collected from 20 diversified small-scale California farms between May 2015 and June 2016, as suggested by a multilevel logistic model
| Variable name | Coefficient | OR | 95% CI |
|---|---|---|---|
| Intercept | −4.92 | ||
| Size (<10 acres) | Reference | ||
| Size (10 ⩽ 50 acres) | 1.79 | 5.99 | 2.11–29.78* |
| Size (>50 acres) | −0.01 | 0.99 | 0.36–3.19 |
| Owns swine (no) | Reference | ||
| Owns swine (yes) | 2.23 | 9.27 | 3.42–38.8* |
| Sample season (coastal summer) | Reference | ||
| Sample season (fall) | −1.33 | 0.26 | 0.04–1.01 |
| Samples season (hot summer) | 0.13 | 1.14 | 0.35–3.52 |
| Sample season (spring) | 1.24 | 3.46 | 1.12–10.87* |
| Sample season (winter) | 1.17 | 3.23 | 1.44–7.36* |
| AIC | 626.0 | ||
| ICC | 0.071 | ||
*P-Value < 0.05.