Table 1. Baseline Participant Characteristics.
| Characteristics | Interventiona | Control (n = 764)a | ||||
|---|---|---|---|---|---|---|
| Standard display | Enhanced display | All interventions (n = 3055) | ||||
| Delivered once (n = 754) | Delivered twice (n = 760) | Delivered once (n = 780) | Delivered twice (n = 761) | |||
| GP age, y, No. (%) | n = 763 | |||||
| <40 | 66 (8.8) | 76 (10.0) | 62 (7.9) | 73 (9.6) | 277 (9.1) | 57 (7.5) |
| 40-49 | 175 (23.2) | 165 (21.7) | 146 (18.7) | 164 (21.6) | 650 (21.3) | 164 (21.5) |
| 50-59 | 220 (29.2) | 215 (28.3) | 252 (32.3) | 220 (28.9) | 907 (29.7) | 221 (29.0) |
| 60-69 | 217 (28.8) | 215 (28.3) | 247 (31.7) | 221 (29.0) | 900 (29.5) | 242 (31.7) |
| ≥70 | 76 (10.1) | 89 (11.7) | 73 (9.4) | 83 (10.9) | 321 (10.5) | 79 (10.4) |
| Sex, No. (%) | n = 759 | n = 779 | n = 760 | n = 3052 | ||
| Female | 299 (39.7) | 303 (39.9) | 281 (36.0) | 323 (42.4) | 1206 (39.5) | 283 (37.0) |
| Male | 455 (60.3) | 456 (60.0) | 498 (63.8) | 437 (57.4) | 1846 (60.4) | 481 (63.0) |
| Metropolitan geographical region, No. (%) | 572 (75.9) | 570 (75.0) | 595 (76.3) | 574 (75.4) | 2311 (75.6) | 586 (76.7) |
| State/territory, No. (%) | ||||||
| Queensland | 211 (28.0) | 225 (29.6) | 234 (30.0) | 256 (33.6) | 926 (30.3) | 220 (28.8) |
| New South Wales | 180 (23.9) | 205 (27.0) | 212 (27.2) | 192 (25.2) | 789 (25.8) | 223 (29.2) |
| Victoria | 222 (29.4) | 172 (22.6) | 185 (23.7) | 166 (21.8) | 745 (24.4) | 178 (23.3) |
| Western Australia | 82 (10.9) | 94 (12.4) | 73 (9.4) | 82 (10.8) | 331 (10.8) | 94 (12.3) |
| South Australia | 44 (5.8) | 39 (5.1) | 53 (6.8) | 36 (4.7) | 172 (5.6) | 34 (4.5) |
| Tasmania | 7 (0.9) | 15 (2.0) | 15 (1.9) | 19 (2.5) | 56 (1.8) | 12 (1.6) |
| Australian Capital Territory | 7 (0.9) | 9 (1.2) | 4 (0.5) | 7 (0.9) | 27 (0.9) | 2 (0.3) |
| Northern Territory | 1 (0.1) | 1 (0.1) | 4 (0.5) | 3 (0.4) | 9 (0.3) | 1 (0.1) |
| Total patient consultations, median (IQR)b,c | 4566 (2940-6607) | 4452 (2947-6422) | 4722 (2853-6679) | 4556 (2673-6742) | 4587 (2822-6605) | 4237 (2845-6532) |
| Diagnostic imaging tests, median (IQR)b | 148 (88-219) | 152 (91-219) | 151 (89-224) | 146 (86-226) | 149 (89-222) | 144 (87.5-213.5) |
Abbreviation: GP, general practitioner.
a
Denominators are as shown in the column headings unless otherwise stated.
b
Baseline time period: November 1, 2018, to October 31, 2019.
c
Refers to any professional attendance by a GP for which benefits are paid under the Australian Medicare Benefits Schedule.