Table 8 Mean change in the number of primary care contacts for 6 months before follow-up and during follow-up for individual practices, intervention combined and usual care
|  | Practice | Intervention total (n = 29) | Usual care (n = 5) | ||
|---|---|---|---|---|---|
A (n = 18) | B (n = 7) | C (n = 4) | |||
Any primary care contacta | |||||
 Previous 6 months, median (IQR) | 3.0 (2.0, 8.0) | 2.0 (0.0, 4.0) | 3.5 (2.0, 11.0) | 3.0 (2.0, 5.0) | 3.0 (3.0, 8.0) |
 Follow-up 6 months, median (IQR) | 3.5 (1.0, 7.0) | 3.0 (2.0, 7.0) | 2.0 (1.0, 13.0) | 3.0 (2.0, 7.0) | 3.0 (0.0, 7.0) |
 Change between two periods, median (IQR) | 0.0 (− 1.0, 4.0) | 2.0 (0.0, 5.0) | 0.0 (− 2.5, 3.5) | 0.0 (− 1.0, 4.0) | − 1.0 (− 1.0, 0.0) |
 Difference in difference (95%CI) | 0.49 (− 2.36 to 3.35) | ||||