Table 3 Baseline characteristics of the sample
From: How can latent trajectories of back pain be translated into defined subgroups?
General practice sample (n = 263) | Chiropractic sample (n = 814) | Excluded (n = 163) | |
|---|---|---|---|
Female (%) | 57% | 45% | 47% |
Age, mean (sd) | 45 (11) | 43 (11) | 44 (13) |
Episode duration (%) | |||
0–2 weeks | 39% | 63% | 55% |
2–4 weeks | 14% | 14% | 11% |
1–3 months | 16% | 11% | 11% |
> 3 months | 32% | 13% | 23% |
LBP intensity at baseline (NRS 0–10), median (IQR) | 7 (6–8) | 7 (5–8) | 7 (6–9) |
Leg pain intensity at baseline (NRS 0–10), median (IQR) | 3 (0–6) | 2 (0–4) | 2 (0–6) |
Previous LBP episodes | |||
0 | 15% | 16% | 18% |
1–2 | 24% | 35% | 30% |
3 or more | 61% | 49% | 52% |
RMDQ (0–100), median (IQR) | 61 (39–78) | 52 (35–70) | 61 (39–78) |