Table 3 Frequency distribution of the subjects’ exposure to risk factors
Variable | Frequency | Percentage | |
|---|---|---|---|
History of infection with brucellosis | Yes | 172 | 57.3 |
No | 128 | 42.7 | |
Buying and selling cattle frequently | Yes | 159 | 53 |
No | 141 | 47 | |
Buying and selling dairies frequently | Yes | 226 | 75.3 |
No | 74 | 24.7 | |
Boiling milk before selling it | Yes | 88 | 29.3 |
No | 212 | 70.7 | |
Selling cattle in the past year | Yes | 113 | 37.7 |
No | 187 | 62.3 | |
History of miscarriage in their cattle | Yes | 117 | 39 |
No | 183 | 61 | |