| Characteristic | Total | De-implementation strategy | |
|---|---|---|---|
| Strategy 1 (GP only) | Strategy 2 (GP and patient) | ||
| Health centres, n | 26 | 13 | 13 |
| Vitamin D | |||
| Reduction, % (range) | 23(−9–70) | 19(−4–70) | 29(−9–28) |
| Absolute reduction in vitamin D/1000 patients, mean (range) | 22 (−6–98) | 24 (−6–98) | 21 (−6–51) |
| Vitamin B12 | |||
| Reduction, % (range) | 20(−19–63) | 18(−3–63) | 22(−19–42) |
| Absolute reduction in vitamin B12/1000 patients, mean (range) | 12 (−6–69) | 15 (−3–69) | 9 (−6–63) |