Table 4.
Odds ratios (OR) with 95% confidence intervals (CI) for association between the presence of Eucoleus sp. or its associated lesions with other variables among a group of Norway rats (Rattus norvegicus) trapped in Vancouver, Canada.
| Category | Subcategory | Unadjusted |
Adjusted (GLMMb) |
||
|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | ||
| Season | Fall | Ref.a | – | – | |
| Winter | 0.54 | 0.23–1.30 | – | – | |
| Spring | 0.33 | 0.13–0.80 | – | – | |
| Summer | 0.20 | 0.06–0.63 | – | – | |
| Sex | Female | Ref. | – | – | |
| Male | 1.10 | 0.56–2.13 | – | – | |
| Maturity | Immature | Ref. | – | – | |
| Mature | 10.8 | 4.60–26.8 | 4.64 | 1.23–17.10 | |
| Weight (per 10 g) | 2.46 | 1.75–3.57 | 1.06 | 1.00–1.12 | |
| Fat score (categorical) | Poor (0) | Ref. | |||
| Moderate (1) | 5.78 | 2.39–15.0 | – | – | |
| Good (1) | 4.21 | 1.88–9.78 | – | – | |
| Fat score (continuous) | 2.09 | 1.36–3.28 | – | – | |
| Liver Capillaria hepatica | Negative | Ref. | – | – | |
| Positive | 3.71 | 1.88–7.46 | – | – | |
a
Reference value for analysis.
b
GLMM = Generalized linear mixed model (controlled for clustering by block).