Table 5 Baseline, follow-up and monthly mean change in visual analogues (score from 0 to 100) for the booking context mechanism outcome configuration
| Â | Ease of booking an appointment | Convenience of booking appointment | Ability to book appointment | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Practice | Intervention total (n = 27) | Usual care (n = 3) | Practice | Intervention total (n = 27) | Usual care (n = 3) | Practice | Intervention total (n = 27) | Usual care (n = 3) | |||||||
A (n = 18) | B (n = 5) | C (n = 4) | A (n = 18) | B (n = 5) | C (n = 4) | A (n = 18) | B (n = 5) | C (n = 4) | |||||||
Pre-intervention, mean (SD) | 52.0 (26.1) | 54.3 (26.6) | 56.8 (44.5) | 53.2 (28.0) | 65.4 (20.1) | 58.0 (33.1) | 65.8 (31.3) | 79.3 (25.1) | 62.7 (31.6) | 64.8 (35.3) | 61.4 (26.8) | 58.3 (30.3) | 74.6 (22.5) | 62.6 (26.6) | 75.8 (12.7) |
Change from baseline to | |||||||||||||||
 month 1, mean (SD) | 24.4 (17.8) | NA | 38.8 (68.2) | 28.5 (32.2) | NA | 23.4 (19.3) | NA | 20.5 (29.0) | 22.6 (19.8) | NA | 30.6 (17.6) | NA | 12.3 (18.0) | 24.5 (18.4) | NA |
 month 2, mean (SD) | 22.4 (27.6) | 43.0 (NA) | NA | 25.3 (26.4) | − 44.0 (NA) | 20.6 (21.8) | 19.0 (NA) | NA | 20.4 (19.9) | − 1.0 (NA) | 30.9 (12.1) | 20.0 (NA) | NA | 29.4 (11.8) | − 64.0 (NA) |
 month 3, mean (SD) | − 10.8 (22.6) | 24.8 (23.7) | 87.3 (NA) | 18.5 (39.9) | NA | 6.9 (50.2) | 1.5 (11.8) | − 2.5 (NA) | 3.7 (33.7) | NA | 14.0 (55.4) | 2.3 (29.7) | 1.5 (NA) | 8.1 (40.1) | NA |
 month 4, mean (SD) | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
 month 5, mean (SD) | 14.8 (49.4) | 34.0 (NA) | NA | 18.0 (44.9) | NA | 21.4 (61.4) | − 9.0 (NA) | NA | 16.3 (56.3) | NA | 19.0 (50.8) | 34.0 (NA) | NA | 21.5 (45.8) | NA |
 month 6, mean (SD) | 14.7 (25.8) | 38.0 (39.0) | 87.8 (NA) | 24.0 (33.0) | − 4.0 (34.1) | 8.7 (30.5) | 20.7 (41.7) | − 0.2 (NA) | 10.9 (31.6) | 24.0 (16.8) | 24.2 (34.0) | 37.1 (40.0) | 2.7 (NA) | 26.0 (34.1) | − 17.0 (47.0) |
 final follow-up, mean (SD) | − 1.9 (26.8) | 25.1 (12.7) | 28.3 (52.5) | 7.6 (31.6) | 6.0 (39.4) | 1.2 (23.4) | 11.3 (15.9) | − 13.3 (21.4) | 0.9 (22.4) | 22.0 (37.0) | 6.1 (31.6) | 9.1 (5.9) | − 7.9 (7.4) | 4.3 (26.6) | 2.0 (19.7) |
Difference in difference without clustering (95% confidence interval) | 1.6 (− 34.0 to 37.2) | − 21.1 (− 47.7 to 5.5) | 2.3 (− 26.3 to 30.9) | ||||||||||||
Difference in difference adjusted for clustering (95% confidence interval) | 7.9 (− 38.3 to 54.1) | − 21.1 (− 46.6 to 4.4) | 2.3 (− 25.0 to 29.7) | ||||||||||||