Table 2.
Relationship between different categorical variables and prevalence of bacteria identified, based on colony morphology, staining and biochemical properties
| Variables | Categories | N | Proportionate Prevalence | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| E. coli | Salmonella spp. | Yersinia spp. | Staphylococcus spp. | |||||||
| PP (95% CI) | P | PP (95% CI) | P | PP (95% CI) | P | PP (95% CI) | P | |||
| Season | May, 2016 | 8 | 37.5 (13.5–69.6) | 0.533 | 0.0 (0.0–37.2) | 0.352 | 0.0 (0.0–37.2) | 0.016* | 12.5 (0.1–49.2) | 0.000* |
| Oct–Nov, 2016 | 14 | 57.1 (32.6–78.7) | 21.4 (6.8–48.3) | 42.9 (21.3–67.5) | 50.0 (26.8–73.2) | |||||
| April, 2017 | 32 | 40.6 (25.5–57.8) | 12.5 (4.4–28.7) | 56.2 (39.3–71.9) | 100 (87.3–100) | |||||
| Sex | M | 30 | 43.3 (27.4–60.8) | 0.854 | 13.3 (4.7–30.4) | 0.928 | 46.7 (30.2–63.9) | 0.713 | 83.3 (66.0–93.1) | 0.083 |
| F | 24 | 45.8 (27.9–64.9) | 12.5 (3.5–31.8) | 41.7 (24.4–61.2) | 62.5 (42.6–78.9) | |||||
| Sample | ON | 27 | 11.1 (3.0–28.9) | 0.000* | 0.0 (0.0–14.8) | 0.005* | 33.3 (18.5–52.3) | 0.100 | 74.1 (55.1–87.1) | 1.000 |
| R | 27 | 77.8 (58.9–89.7) | 25.9 (12.9–44.9) | 55.6 (37.3–72.4) | 74.1 (55.1–87.1) | |||||
| Total | 54 | 44.4 (32.0–57.6) | 13.0 (6.1–24.7) | 44.4 (32.0–57.6) | 72.2 (59.0–82.5) | |||||
*, significant P‐value; ON, Oro‐nasal swab; R, rectal swab; M, male squirrel; F, female squirrel; %, percentage; N, number of samples; PP, prevalence; P, probability value; CI, confidence interval.