Table 5.
Risk factors for T. gondii infection in cattle in Beheira, Egypt.
| Analyzed factor | No. of Tested | No. of negative (%) | No. of positive (%) | OR (95% CI)# | P–value* |
|---|---|---|---|---|---|
| Age | |||||
| < 3 years | 142 | 136 (95.8) | 6 (4.2) | Ref | Ref |
| 3–5 years | 143 | 138 (96.5) | 5 (3.5) | 0.8 (0.2–2.8) | 0.77 |
| >5 years | 73 | 65 (89) | 8 (11) | 2.8 (0.9–8.4) | 0.15 |
| Sex | |||||
| Male | 142 | 136 (95.8) | 6 (4.2) | Ref | Ref |
| Female | 216 | 203 (94) | 13 (6) | 1.5 (0.5–3.9) | 0.63 |
| Production type | |||||
| Beef | 142 | 136 (95.8) | 6 (4.2) | Ref | Ref |
| Dairy | 216 | 203 (94) | 13 (6) | 1.5 (0.5–3.9) | 0.63 |
| Breed | |||||
| Mixed | 205 | 187 (91.2) | 18 (8.8) | 4.1 (0.5–31.9) | 0.21 |
| Holstein | 109 | 109 (100) | 0 | 0.1 (0.005–3.3) | 0.28 |
| Colombian zebu | 44 | 43 (97.7) | 1 (2.3) | Ref | Ref |
| Location | |||||
| Damanhour | 20 | 18 (90) | 2 (10) | Ref | Ref |
| Edku | 22 | 20 (90.9) | 2 (9.1) | 0.9 (0.1–7.1) | 1 |
| Abu Hommus | 78 | 77 (98.7) | 1 (1.3) | 0.1 (0.01–1.4) | 0.1 |
| Nubariyah | 56 | 56 (100) | 0 | 0.06 (0.003–1.4) | 0.06 |
| Abu Almatamer | 27 | 24 (88.9) | 3 (11.1) | 1.1 (0.2–7.5) | 1 |
| Dilinjat | 60 | 59 (98.3) | 1 (1.7) | 0.2 (0.01–1.8) | 0.15 |
| Kafr El–Dawar | 72 | 63 (87.5) | 9 (12.5) | 1.3 (0.3–6.5) | 1 |
| Housh Eissa | 23 | 22 (95.7) | 1 (4.3) | 0.4 (0.03–4.9) | 0.59 |
#Odds ratio at 95% confidence interval as calculated by Available online at: http://vassarstats.net/. *P value was evaluated by Fisher Exact Probability Test (two-tailed) using online statistics software http://vassarstats.net/ and GraphPad Prism version 5. The result is significant at P < 0.05. Ref., value used as reference.