Crude | Adjusted | |||||
---|---|---|---|---|---|---|
Casesa/all | Incidence of improvement (%) | RR | 95% CI | RR | 95% CI | |
Neck and/or back pain (n = 1 460) | ||||||
3 monthsb | ||||||
Low/irregularc | 153/308 | 50 | 1 | 1 | ||
Moderated | 375/736 | 51 | 1.03 | 0.86-1.25 | 1.07 | 0.88-1.30 |
Vigorouse | 149/261 | 57 | 1.15 | 0.91-1.44 | 1.19 | 0.94-1.51 |
6 monthsf | ||||||
Low/irregularc | 155/304 | 51 | 1 | 1 | ||
Moderated | 364/728 | 50 | 0.99 | 0.82-1.19 | 1.01 | 0.84-1.23 |
Vigorouse | 147/260 | 57 | 1.11 | 0.88-1.39 | 1.23 | 0.88-1.43 |
12 monthsg | ||||||
Low/irregularc | 136/287 | 47 | 1 | 1 | ||
Moderated | 336/700 | 48 | 1.01 | 0.83-1.24 | 1.07 | 0.87-1.31 |
Vigorouse | 152/253 | 60 | 1.27 | 1.01-1.60 | 1.35 | 1.06-1.73 |
Back pain and back/neck pain combined (n = 654) | ||||||
3 monthsh | ||||||
Low/irregularc | 61/123 | 50 | 1 | 1 | ||
Moderated | 166/317 | 52 | 1.07 | 0.80-1.44 | 1.02 | 0.76-1.38 |
Vigorouse | 86/139 | 62 | 1.26 | 0.90-1.75 | 1.19 | 0.84-1.68 |
6 monthsi | ||||||
Low/irregularc | 64/122 | 52 | 1 | 1 | ||
Moderated | 168/312 | 54 | 1.03 | 0.77-1.37 | 0.98 | 0.73-1.31 |
Vigorouse | 85/135 | 63 | 1.20 | 0.87-1.66 | 1.12 | 0.80-1.57 |
12 monthsj | ||||||
Low/irregularc | 47/177 | 27 | 1 | 1 | ||
Moderated | 159/301 | 53 | 1.32 | 0.95-1.82 | 1.33 | 0.96-1.86 |
Vigorouse | 91/132 | 69 | 1.72 | 1.21-2.44 | 1.83 | 1.26-2.66 |
Neck pain (n = 806) | ||||||
3 monthsk | ||||||
Low/irregularc | 91/183 | 50 | 1 | 1 | ||
Moderated | 209/419 | 50 | 1.01 | 0.91-1.14 | 1.11 | 0.86-1.44 |
Vigorouse | 62/120 | 52 | 1.02 | 0.91-1.14 | 1.12 | 0.80-1.58 |
6 monthsl | ||||||
Low/irregularc | 90/180 | 50 | 1 | 1 | ||
Moderated | 196/416 | 47 | 0.95 | 0.74-1.22 | 1.04 | 0.80-1.34 |
Vigorouse | 62/124 | 50 | 0.99 | 0.72-1.37 | 1.08 | 0.77-1.52 |
12 monthsm | ||||||
Low/irregularc | 89/168 | 53 | 1 | 1 | ||
Moderated | 177/399 | 44 | 0.84 | 0.65-1.09 | 0.93 | 0.72-1.22 |
Vigorouse | 61/120 | 51 | 0.95 | 0.69-1.32 | 1.06 | 0.75-1.49 |