Table 2 Demographic, general health, psychological and lifestyle characteristics at each selectionpoint
Responded to Health Survey | Reported knee pain in last 12 months | Consented to further contact | Responded to Regional Pains Survey | Attended research clinic | Responded to 18 m FUP Survey | |
|---|---|---|---|---|---|---|
N* | 6108 | 3106 | 2226 | 1949 | 819 | 776 |
Marital status: | ||||||
Married/co-habiting | 3956 (66) | 1985 (65) | 1511 (69) | 1331 (69) | 599 (74) | 573 (75) |
Divorced/separated | 431 (7) | 219 (7) | 175 (8) | 145 (8) | 45 (6) | 42 (5) |
Widowed | 1263 (21) | 705 (23) | 418 (19) | 363 (19) | 137 (17) | 123 (16) |
Single | 358 (6) | 153 (5) | 93 (4) | 84 (4) | 27 (3) | 27 (4) |
Higher education: | ||||||
Yes | 704 (12) | 327 (11) | 278 (13) | 244 (13) | 117 (15) | 112 (15) |
No | 5231 (88) | 2685 (89) | 1892 (87) | 1657 (87) | 684 (85) | 650 (85) |
Employment status: | ||||||
Employed | 1515 (26) | 668 (22) | 544 (25) | 460 (24) | 167 (21) | 160 (21) |
Retired | 3361 (57) | 1760 (59) | 1195 (55) | 1075 (57) | 481 (61) | 449 (60) |
Unable due to illness | 454 (8) | 299 (10) | 224 (10) | 182 (10) | 76 (10) | 76 (10) |
Unemployed | 61 (1) | 31 (1) | 26 (1) | 25 (1) | 9 (1) | 9 (1) |
Housewife | 362 (6) | 187 (6) | 129 (6) | 118 (6) | 46 (6) | 44 (6) |
Other | 133 (2) | 53 (2) | 41 (2) | 30 (2) | 15 (2) | 15 (2) |
Occupational class: | ||||||
Higher manag. | 184 (3) | 92 (3) | 81 (4) | 78 (4) | 55 (7) | 53 (7) |
Higher prof. | 105 (2) | 39 (1) | 35 (2) | 32 (2) | 16 (2) | 16 (2) |
Lower manag./prof. | 652 (12) | 303 (11) | 267 (13) | 240 (13) | 122 (16) | 115 (16) |
Intermediate | 615 (11) | 302 (11) | 243 (12) | 218 (12) | 108 (14) | 104 (14) |
Self-employed | 319 (6) | 174 (6) | 144 (6) | 124 (7) | 52 (7) | 49 (7) |
Lower supervise./tech. | 387 (7) | 213 (8) | 151 (7) | 140 (8) | 63 (8) | 61 (8) |
Semi-routine | 1397 (25) | 712 (25) | 505 (25) | 443 (25) | 190 (25) | 177 (24) |
Routine | 1887 (34) | 979 (35) | 628 (31) | 532 (29) | 167 (22) | 156 (21) |
Baseline SF-12: Mean (sd†) | ||||||
Physical (0–100) | 41.0 (12.5) | 37.0 (12.2) | 37.6 (12.2) | 37.7 (12.2) | 37.6 (11.9) | 37.6 (11.8) |
Mental (0–100) | 49.1 (11.1) | 47.9 (11.6) | 48.5 (11.5) | 48.8 (11.4) | 50.6 (10.9) | 50.8 (11.0) |
Baseline HAD Anxiety: | ||||||
None (0–7) | 3647 (62) | 1656 (55) | 1209 (56) | 1084 (57) | 500 (62) | 477 (63) |
Possible (8–11) | 1485 (25) | 842 (28) | 603 (28) | 526 (28) | 217 (27) | 203 (27) |
Probable (12–21) | 791 (13) | 508 (17) | 343 (16) | 284 (15) | 85 (11) | 81 (11) |
Baseline HAD Depression: | ||||||
None (0–7) | 4637 (78) | 2198 (73) | 1627 (75) | 1456 (77) | 663 (83) | 633 (83) |
Possible (8–11) | 950 (16) | 593 (20) | 392 (18) | 320 (17) | 102 (13) | 92 (12) |
Probable (12–21) | 349 (6) | 221 (7) | 139 (6) | 119 (6) | 37 (4) | 36 (5) |
"Osteoarthritis is a serious condition" | ||||||
Strongly disagree | 44 (1) | 19 (1) | 12 (1) | 12 (1) | 4 (1) | 4 (1) |
Disagree | 67 (1) | 33 (1) | 25 (1) | 22 (1) | 8 (1) | 8 (1) |
Neither | 423 (7) | 189 (6) | 134 (6) | 108 (6) | 39 (5) | 36 (5) |
Agree | 3326 (56) | 1656 (55) | 1163 (53) | 1032 (54) | 447 (56) | 421 (55) |
Strongly agree | 2074 (35) | 1129 (37) | 847 (39) | 740 (39) | 305 (38) | 292 (38) |
"Doctors can do a lot to help people with joint pain" | ||||||
Strongly disagree | 50 (1) | 30 (1) | 25 (1) | 20 (1) | 9 (1) | 9 (1) |
Disagree | 408 (7) | 251 (8) | 197 (9) | 172 (9) | 74 (9) | 71 (9) |
Neither | 1331 (22) | 659 (22) | 483 (22) | 431(22) | 171 (21) | 163 (21) |
Agree | 3693 (62) | 1851 (61) | 1300 (59) | 1142 (59) | 482 (60) | 456 (60) |
Strongly agree | 510 (9) | 261 (9) | 191 (9) | 160 (8) | 73 (9) | 67 (9) |