Risk factor | Group | Number of children/chickens | Number of cases | Isolation frequency (%) | P-value | Remarks |
---|---|---|---|---|---|---|
Chicken types | Broilers | 156 | 78 | 50.0 | p = 0.000 | S |
Cockerels | 23 | 12 | 52.2 | |||
Indigenous | 64 | 48 | 75.0 | |||
Layers | 176 | 40 | 22.7 | |||
Flock size | Small | 199 | 75 | 37.7 | P = 0.007 | S |
Medium | 19 | 0 | 0.0 | |||
Large | 201 | 103 | 51.2 | |||
Keeping other animals concurrently | Kept | 242 | 76 | 31.4 | P = 0.000 | S |
Not kept | 177 | 102 | 57.6 | |||
Agea (weeks) | 0–4 | 11 | 3 | 27.3 | P = 0.179 | NS |
5–9 | 48 | 7 | 14.6 | |||
10–14 | 28 | 6 | 21.4 | |||
15–19 | 93 | 62 | 66.7 | |||
20+ | 190 | 56 | 29.5 | |||
Thermophilic Campylobacter isolates | C. jejuni | 178 | 155 | 87.1 | p = 0.000 | S |
C. coli | 178 | 23 | 12.9 | |||
C. lari | 178 | 0 | 0.0 | |||
 | Overall | 419 | 178 | 42.5 |  |  |