Mean scores, in whole population, on health indices identified in the regression by number of inoculations for those with and without inoculation records in their possession
| Inoculations (n) | Overall | |||||
|---|---|---|---|---|---|---|
| 0 | 1–3 | 4–6 | 7–9 | ⩾10 | ||
| Record held (n): | ||||||
| Yes | 22 | 312 | 1082 | 514 | 243 | 2173 |
| No | 204 | 1011 | 2847 | 1090 | 553 | 5705 |
| Overall | 226 | 1323 | 3929 | 1604 | 796 | 7878 |
| Severity (mean) record held: | ||||||
| Yes | 1.5 | 2.3 | 3.2 | 3.9 | 4.2 | 3.3 |
| No | 2.0 | 3.0 | 3.6 | 4.4 | 4.7 | 3.7 |
| Overall | 2.0 | 2.8 | 3.5 | 4.2 | 4.5 | 3.6 |
| Peripheral (mean) record held: | ||||||
| Yes | −18.2 | −7.3 | 5.8 | 24.2 | 25.1 | 10.2 |
| No | −27.2 | −1.3 | 9.1 | 23.3 | 38.5 | 11.5 |
| Overall | −26.4 | −2.7 | 8.2 | 23.6 | 34.4 | 11.1 |