Table 1 Association of Toxoplasma gondii seropositivity and putative risk factors (sex, age, forest/mountain area as type of grazing area, geographical region = county) in a study of T. gondii in reindeer in Sweden, 2014
Reindeer characteristics | Number of reindeer | Total | Odds ratio (OR) | ||||
|---|---|---|---|---|---|---|---|
Sero-negative | Seropositive | Inconclusive seronegative | Only conclusive | Including inconclusive | |||
Sex | Female | 164 | 6 | 3 | 170 | 1 | 1 |
Male | 353 | 5 | 14 | 358 | 0.4 (0.1–1.3) | 1 (0.4–2.3) | |
Age | Adult | 209 | 5 | 3 | 214 | 1 | 1 |
Calf | 308 | 6 | 14 | 314 | 0.8 (0.3–2.7) | 1.8 (0.8–4.1) | |
Type of grazing area | Forest | 252 | 6 | 5 | 258 | 1 | 1 |
Mountain | 265 | 5 | 12 | 270 | 0.8 (0.2–2.6) | 1.5 (0.7–3.3) | |
County | Västerbotten | 270 | 6 | 12 | 276 | 1 | 1 |
Norrbotten | 247 | 5 | 5 | 252 | 0.9 (0.3–3.0) | 0.6 (0.3–1.3) | |