Table 1.
Baseline characteristics of responders, non-responders and those who died
| Variables | Whole baseline cohort | Participated in follow up | Negative response | No response | Othera | Dead | |
|---|---|---|---|---|---|---|---|
| N (%) | 584 (100) | 339 (58) | 123 (21) | 66 (11) | 26 (5) | 30 (5) | |
| Age, mean (SD) | 78.5 (7.7) | 77.4 (7.4) | 79.9 (7.6) | 78.3 (7.8) | 78.0 (9.4) | 85.9 (5.4) | |
| Female sex, n (%) | 317 (54) | 185 (55) | 68 (55) | 42 (64) | 9 (35) | 13 (43) | |
| SIMD | 1–4, n (%) | 287 (49) | 147 (44) | 70 (57) | 37 (56) | 19 (73) | 14 (47) |
| 5–10, n (%) | 293 (51) | 188 (56) | 53 (43) | 29 (44) | 7 (27) | 16 (53) | |
| Mean activity count per 24 h at baseline (SD) | 146,045 (79,528) | 157,407 (78,071) | 128,877 (76,527) | 143,442 (85,739) | 144,947 (72,490) | 98,795 (73,370) | |
| Mean minutes of walking per day at baseline (SD) | 177 (89) | 191 (85) | 155 (86) | 177 (100) | 172 (84) | 120 (83) | |
| Hospitalised in previous year, n (%) | 99 (17) | 46 (14) | 25 (20) | 13 (20) | 6 (23) | 9 (30) | |
| Rheumatoid arthritis, n (%) | 43 (7) | 22 (6) | 8 (7) | 8 (12) | 1 (4) | 4 (13) | |
| Osteoarthritis, n (%) | 112 (19) | 65 (19) | 25 (20) | 13 (20) | 3 (12) | 6 (20) | |
| Neurological disease, n (%) | 10 (2) | 4 (1) | 5 (4) | 0 (0) | 3 (12) | 1 (3) | |
| Hypertension, n (%) | 289 (49) | 161 (47) | 60 (49) | 38 (58) | 13 (50) | 17 (57) | |
| Diabetes mellitus, n (%) | 62 (11) | 24 (7) | 19 (15) | 8 (12) | 3 (12) | 8 (27) | |
| Heart disease, n (%) | 186 (32) | 100 (29) | 41 (33) | 20 (30) | 8 (31) | 17 (57) | |
| Active cancer, n (%) | 33 (6) | 16 (5) | 10 (8) | 3 (5) | 2 (8) | 2 (7) | |
| Fall in last year, n (%) | 189 (32) | 100 (29) | 36 (29) | 22 (33) | 13 (50) | 18 (60) | |
| Presence of chronic pain, n (%) | 255 (44) | 143 (42) | 54 (44) | 31 (47) | 11 (42) | 16 (53) | |
aMoved away from area, plus positive replies to invitation who died or were unable to participate in follow up visits