Table 4.
Characteristics of the 6370 Cloudy with a Chance of Pain participants clustered by levels of engagement.
| Data | High (n=865) | Moderate (n=1384) | Low (n=2503) | Tourist (n=1618) | ||||||||||
| n (% or IQRa) | 95% CI | n (% or IQR) | 95% CI | n (% or IQR) | 95% CI | n (% or IQR) | 95% CI | |||||||
| Demographics | ||||||||||||||
| Female | 712 (82.31%) | 79.77-84.85 | 1164 (84.10%) | 82.17- 86.03 | 2019 (80.66%) | 79.11-82.21 | 1234 (76.27%) | 74.20-78.34 | ||||||
| Median age in years | 56 (47-63) | 50 (41-59) | 47 (39-57) | 49 (40-58) | ||||||||||
| Pain condition | ||||||||||||||
| Site of pain | ||||||||||||||
| Single | 71 (8.21%) | 6.38-10.04 | 121 (8.74%) | 7.25-10.23 | 226 (9.03%) | 7.91-10.15 | 187 (11.56%) | 10.00-13.12 | ||||||
| Multisite | 668 (77.23%) | 74.44-80.02 | 1026 (74.13%) | 71.82-76.44 | 1809 (72.27%) | 70.52-74.02 | 1172 (72.44%) | 70.26-74.62 | ||||||
| All over pain | 121 (13.99%) | 11.68-16.30 | 230 (16.62%) | 14.66-18.58 | 462 (18.46%) | 16.94-19.98 | 246 (15.20%) | 13.45-16.95 | ||||||
| Missing | 5 (0.58%) | 0.07-1.09 | 7 (0.51%) | 0.13-0.89 | 6 (0.24%) | 0.05-0.43 | 13 (0.80%) | 0.37-1.23 | ||||||
| Diagnosis of conditions | ||||||||||||||
| Rheumatoid arthritis | 176 (20.35%) | 17.67-23.03 | 271 (19.58%) | 17.49-21.67 | 473 (18.90%) | 17.37-20.43 | 298 (18.42%) | 16.53-20.31 | ||||||
| Ankylosing spondylitis/spondyloarthropathy | 70 (8.09%) | 6.27-9.91 | 130 (9.39%) | 7.785-10.93 | 230 (9.19%) | 8.06-10.32 | 146 (9.02%) | 7.62-10.42 | ||||||
| Gout | 29 (3.35%) | 2.15-4.55 | 55 (3.97%) | 2.94-5.00 | 80 (3.20%) | 2.51-3.89 | 67 (4.14%) | 3.17-5.11 | ||||||
| Arthritis (unspecified) | 394 (45.55%) | 42.23-48.87 | 556 (40.17%) | 37.59-42.75 | 958 (38.27%) | 36.37-40.17 | 659 (40.73%) | 38.34-43.12 | ||||||
| Fibromyalgia/chronic widespread pain | 188 (21.73%) | 18.98-24.48 | 336 (24.28%) | 22.02-26.54 | 634 (25.33%) | 23.63-27.03 | 355 (21.94%) | 19.92-23.96 | ||||||
| Chronic headache | 43 (4.97%) | 3.52-6.42 | 100 (7.23%) | 5.87-8.59 | 209 (8.35%) | 7.27-9.43 | 110 (6.80%) | 5.57-8.03 | ||||||
| Neuropathic | 112 (12.95%) | 10.71-15.19 | 182 (13.15%) | 11.37-14.93 | 337 (13.46%) | 12.12-14.80 | 190 (11.74%) | 10.17-13.31 | ||||||
| Other | 205 (23.70%) | 20.87-26.53 | 339 (24.49%) | 22.22-26.76 | 611 (24.41%) | 22.73-26.09 | 287 (17.74%) | 15.88-19.60 | ||||||
| Medications used at baseline | ||||||||||||||
| Analgesics | ||||||||||||||
| None | 81 (9.36%) | 7.42-11.30 | 115 (8.31%) | 6.86-9.76 | 236 (9.43%) | 8.29-10.57 | 187 (11.56%) | 10.00-13.12 | ||||||
| Paracetamol | 454 (52.49%) | 49.16-55.82 | 707 (51.08%) | 48.45-53.71 | 1241 (49.58%) | 47.62-51.54 | 752 (46.48%) | 44.05-48.91 | ||||||
| Nonsteroidal anti-inflammatory drugs | 498 (57.57%) | 54.28-60.86 | 833 (60.19%) | 57.61-62.77 | 1470 (58.73%) | 56.80-60.66 | 893 (55.19%) | 52.77-57.61 | ||||||
| Simple analgesics | 254 (29.36%) | 26.33-32.39 | 406 (29.34%) | 26.94-31.74 | 773 (30.88%) | 29.07-32.69 | 504 (31.15%) | 28.89-33.41 | ||||||
| Weak opiates | 253 (29.25%) | 26.22-32.28 | 426 (30.78%) | 28.35-33.21 | 773 (30.88%) | 29.07-32.69 | 450 (27.81%) | 25.63-29.99 | ||||||
| Strong opiates | 82 (9.48%) | 7.53-11.43 | 154 (11.13%) | 9.47-12.79 | 356 (14.22%) | 12.85-15. 59 | 190 (11.74%) | 10.17-13.31 | ||||||
| Neuropathic pain medication | 167 (19.31%) | 16.68-21.94 | 278 (20.09%) | 17.98-22.20 | 538 (21.49%) | 19.88-23.10 | 314 (19.41%) | 17.48-21.34 | ||||||
| Other pain medications | 106 (12.25%) | 10.07-14.43 | 188 (13.58%) | 11.78-15.38 | 270 (10.79%) | 9.57-12.01 | 153 (9.46%) | 8.03-10.89 | ||||||
| Steroids | 57 (6.59%) | 4.94-8.24 | 96 (6.94%) | 5.60-8.28 | 202 (8.07%) | 7.00-9.14 | 125 (7.73%) | 6.43-9.03 | ||||||
| DMARDsb | ||||||||||||||
| None | 591 (68.32%) | 65.22-71.42 | 974 (70.38%) | 67.97-72.79 | 1690 (67.52%) | 65.69-69.35 | 1152 (71.20%) | 68.99-73.41 | ||||||
| Synthetic DMARDs | 192 (22.20%) | 19.43-24.97 | 292 (21.10%) | 18.95-23.25 | 529 (21.13%) | 19.53-22.73 | 269 (16.63%) | 14.82-18.44 | ||||||
| Biologic DMARDs | 80 (9.25%) | 7.32-11.18 | 121 (8.74%) | 7.25-10.23 | 226 (9.03%) | 7.91-10.15 | 133 (8.22%) | 6.88-9.56 | ||||||
| Other DMARDs | 58 (6.71%) | 5.04-8.38 | 73 (5.27%) | 4.09-6.45 | 156 (6.23%) | 5.28-7.18 | 119 (7.35%) | 6.08-8.62 | ||||||
| Beliefs | ||||||||||||||
| Median strength of belief in the association between weather and pain | 7 (6-9) | 7 (6-9) | 7 (6-9) | 7 (5-9) | ||||||||||
| Weather condition(s) that participants think most affect their pain | ||||||||||||||
| Damp or rain | 647 (74.80%) | 71.91-77.69 | 1030 (74.42%) | 72.12-76.72 | 1883 (75.23%) | 73.54-76.92 | 1181 (72.99%) | 70.83-75.15 | ||||||
| Cold | 539 (62.31%) | 59.08-65.54 | 931 (67.27%) | 64.80-70.4 | 1799 (71.87%) | 70.11-73.63 | 1105 (68.29%) | 66.02-70.56 | ||||||
| Hot | 117 (13.53%) | 11.25-15.81 | 210 (15.17%) | 13.28-17.06 | 383 (15.30%) | 13.89-16.71 | 230 (14.22%) | 12.52-15.92 | ||||||
| Changes in barometric pressure | 307 (35.49%) | 32.30-38.68 | 455 (32.88%) | 30.41-35.35 | 714 (28.53%) | 26.76-30.30 | 469 (28.99%) | 26.78-31.20 | ||||||
| Changes in temperature | 238 (27.51%) | 24.53-30.49 | 422 (30.49%) | 28.06-32.92 | 797 (31.84%) | 30.01-33.67 | 510 (31.52%) | 29.26-33.78 | ||||||
aIQR: interquartile range.
bDMARDs: disease-modifying antirheumatic drugs.