Table 4.
Summary of five separate backwards stepwise multiple logistic regression analyses carried out to determine factors that were associated with the presence/absence of the five most prevalent parasite species. This table shows beta coefficient values ± standard errors.
| Parasite species | D. caninum | S. erinaceieuropei | T. canis | T. leonina | U. stenocephala |
|---|---|---|---|---|---|
| Environmental factors | |||||
| % Native vegetation cover (30km radius) | – | – | 0.455 ± 0.079⁎⁎⁎ | – | 0.493 ± 0.073⁎⁎⁎ |
| Avg. monthly rainfall- previous 6 mo (mm) | – | – | – | – | – |
| 5-y-avg. annual rainfall (mm) | – | – | – | – | – |
| Avg. humidity- previous 6 mo (%) | – | 0.574 ± 0.115⁎⁎⁎ | – | 0.285 ± 0.085⁎⁎ | 0.343 ± 0.10⁎⁎ |
| 5-y-avg. mean temp. (°C) | – | – | – | – | – |
| 5-y-avg. min temp. (°C) | – | 0.494 ± 0.115⁎⁎⁎ | – | – | 0.364 ± 0.103⁎⁎⁎ |
| 5-y-avg. max temp. (°C) | – | – | – | – | – |
| Host factors | |||||
| Sex | – | – | – | – | – |
| Head/body length (cm) | – | – | – | – | – |
| Pes length (cm) | – | – | – | – | – |
| Body mass (minus GI tract mass, kg) | – | – | – | – | – |
| Age (years) | – | – | – | – | – |
Factors that were eliminated as part of the backwards stepwise regression are indicated with –; significant factors are indicated with asterisks.
⁎⁎
p < 0.01.
⁎⁎⁎
p < 0.001.