Demographics, general health, psychological and lifestyle characteristics at each baseline selection point
| Responded to health survey | Reported foot pain in the last 12 months | Eligible for invite to clinic | Attended research clinic | |
|---|---|---|---|---|
| N | 5109 | 2086 | 1635 | 560 |
| Marital status | ||||
| Married/co-habiting | 3466 (68) | 1368 (66) | 1096 (67) | 388 (69) |
| Divorced/separated | 473 (9) | 207 (10) | 173 (11) | 57 (10) |
| Widowed | 806 (16) | 367 (18) | 264 (16) | 85 (15) |
| Single | 296 (6) | 110 (5) | 79 (5) | 28 (5) |
| Missing | 68 (1) | 34 (2) | 23 (1) | 2 (1) |
| Higher education | ||||
| Yes | 843 (17) | 368 (18) | 323 (20) | 145 (26) |
| No | 3996 (78) | 1615 (77) | 1253 (77) | 398 (71) |
| Missing | 270 (5) | 103 (5) | 59 (4) | 17 (3) |
| Employment status | ||||
| Employed | 1442 (28) | 510 (24) | 432 (26) | 121 (22) |
| Retired | 2831 (55) | 1140 (55) | 859 (53) | 338 (60) |
| Unable due to illness | 305 (6) | 187 (9) | 150 (9) | 44 (8) |
| Unemployed | 71 (1) | 31 (1) | 25 (2) | 8 (1) |
| Housewife | 179 (4) | 94 (5) | 76 (5) | 27 (5) |
| Other | 143 (3) | 59 (3) | 51 (3) | 17 (3) |
| Missing | 138 (3) | 65 (3) | 42 (3) | 5 (1) |
| Occupational class | ||||
| Managerial/administrative/professional | 1011 (20) | 352 (17) | 307 (19) | 145 (26) |
| Intermediate | 887 (17) | 356 (17) | 293 (18) | 98 (18) |
| Routine/manual | 2668 (52) | 1149 (55) | 891 (55) | 282 (50) |
| Other* | 543 (11) | 229 (11) | 144 (9) | 35 (6) |
| Baseline SF-12: mean (SD) | ||||
| Physical (0–100) | 41.54 (12.43) | 37.07 (12.15) | 37.50 (12.24) | 38.00 (12.28) |
| Missing | 628 (12) | 280 (13) | 179 (11) | 41 (7) |
| Mental (0–100) | 49.24 (11.37) | 46.68 (12.02) | 47.18 (11.88) | 48.88 (11.11) |
| Missing | 628 (12) | 280 (13) | 179 (11) | 41 (7) |
| Baseline HADS anxiety | ||||
| None (0–7) | 3037 (59) | 984 (47) | 809 (49) | 307 (55) |
| Possible (8–11) | 1194 (23) | 608 (29) | 465 (28) | 154 (28) |
| Probable (12–21) | 776 (15) | 461 (22) | 336 (21) | 91 (16) |
| Missing | 102 (2) | 33 (2) | 25 (2) | 8 (1) |
| Baseline HADS depression | ||||
| None (0–7) | 3637 (71) | 1277 (61) | 1049 (64) | 389 (69) |
| Possible (8–11) | 922 (18) | 501 (24) | 368 (23) | 119 (21) |
| Probable (12–21) | 451 (9) | 275 (13) | 193 (12) | 44 (8) |
| Missing | 99 (2) | 33 (2) | 25 (2) | 8 (1) |
| BMI (kg/m2) | ||||
| <20 | 174 (3) | 58 (3) | 37 (2) | 11 (2) |
| 20.0–24.9 | 1510 (3) | 522 (25) | 396 (24) | 132 (24) |
| 25.0–29.9 | 1948 (38) | 768 (37) | 605 (37) | 221 (39) |
| ≥30 | 1229 (24) | 651 (31) | 538 (33) | 191 (34) |
| Missing | 248 (5) | 87 (4) | 59 (4) | 5 (1) |
| Disabling foot pain† | ||||
| Yes | – | 862 (63) | 683 (62) | 283 (63) |
| No | – | 404 (30) | 354 (32) | 68 (34) |
| Missing | – | 100 (7) | 68 (6) | 16 (4) |
| Number of days with foot pain‡ | ||||
| Less than 7 days | – | 343 (16) | 276 (17) | 74 (13) |
| 1–4 weeks | – | 291 (14) | 226 (14) | 68 (12) |
| 1–3 months | – | 256 (12) | 196 (12) | 66 (12) |
| 3+ months | – | 1158 (56) | 918 (56) | 348 (62) |
| Missing | – | 38 (2) | 19 (1) | 4 (1) |
| Rasch MFPDI: mean (SD)‡ | ||||
| Function | – | −0.36 (2.16) | −0.49 (2.17) | −0.58 (2.14) |
| Missing | – | 28 (1) | 18 (1) | 3 (1) |
| Pain | – | −0.31 (1.57) | −0.35 (1.57) | −0.20 (1.55) |
| Missing | – | 51 (2) | 31 (2) | 3 (1) |
Figures represent numbers and percentages unless otherwise stated.
*Includes housewives, non-workers, retired people and those inadequately described.
†For those who reported foot pain in the last month.
‡For those who reported foot pain in the last year.
BMI, body mass index; HADS, Hospital Anxiety and Depression Scale; MFPDI, Manchester Foot Pain and Disability Index; SF12, Short-Form 12.