Table 1 Distribution of area attributes used to rank and match comparison areas to intervention areas.
Area and zones | Area size km2 | All TB incidents prior to the baseline date | OTF-W incidents prior to the baseline date | Number of herds | Herd size median | Distance to intervention area km | RBCT proactive % | ||
|---|---|---|---|---|---|---|---|---|---|
Over 36 months | Over 12 months | Over 36 months | Over 12 months | ||||||
Gloucestershire | |||||||||
Intervention central | 310.8 | 90 | 18 | 69 | 16 | 215 | 46.0 | 0.0 | 0.0 |
Comparison central (n = 9) | 308.8 | 75.4 | 25.6 | 60.9 | 21.7 | 160.2 | 45.6 | 34.7 | 0.6 |
Intervention buffer | 143.2 | 41 | 17 | 29 | 11 | 94 | 47.0 | 0.0 | 0.3 |
Comparison buffer (n = 9) | 160.9 | 44.4 | 15.1 | 36.3 | 12.8 | 83.8 | 56.7 | 31.6 | 3.7 |
Somerset | |||||||||
Intervention central | 256.2 | 106 | 30 | 85 | 27 | 154 | 53.5 | 0.0 | 0.0 |
Comparison central (n = 9) | 255.7 | 76.4 | 27.1 | 61.7 | 22.1 | 162.1 | 52.8 | 60.3 | 0.0 |
Intervention buffer | 180.3 | 43 | 16 | 36 | 13 | 88 | 39.5 | 0.0 | 12.1 |
Comparison buffer (n = 9) | 133.2 | 38.2 | 13.4 | 29.6 | 10.9 | 84.3 | 60.3 | 60.3 | 2.0 |
Dorset | |||||||||
Intervention central | 223.3 | 80 | 26 | 57 | 17 | 157 | 100.0 | 0.0 | 0.0 |
Comparison central (n = 8) | 217.0 | 59.1 | 19.4 | 44.5 | 15.9 | 129.4 | 91.3 | 44.5 | 0.0 |
Intervention buffer | 172.2 | 37 | 10 | 23 | 8 | 113 | 95.0 | 0.0 | 0.0 |
Comparison buffer (n = 8) | 109.3 | 31.9 | 13.9 | 22.1 | 10.0 | 75.4 | 77.1 | 44.3 | 0.0 |
