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Table 4 Group differences at 12-months follow-up

From: Effects of weekly pain monitoring on back pain outcomes: a non-randomised controlled study

Continuous outcomes SMS group versus control group
Main analysis
SMS group responding > 26 weeks versus control group
Sensitivity analysis
Crude
β (95% CI)
Adjusted
β (95% CI)
Crude
β (95% CI)
Adjusted
β (95% CI)
LBP at 12 months follow-up, NRS (0–10); mean (SD)  − 0.42 (− 0.65; − 0.19)  − 0.40 (− 0.62; − 0.19)  − 0.48 (− 0.73; − 0.24)  − 0.44 (− 0.68; − 0.21)
Activity limitation, RMDQ (0–100) 1.12 (− 1.34; 3.58) 1.51 (− 0.83; 3.85) 0.88 (− 1.68; 3.45) 1.30 (− 1.12; 3.73)
Ability to control pain, NRS (0–10)  − 0.05 (− 0.28; 0.19)  − 0.08 (− 0.31; 0.15)  − 0.10 (− 0.36; 0.15)  − 0.12 (− 0.37; 0.13)
Binary outcomes Crude
OR (95% CI)
Adjusted
OR (95% CI)
Crude
OR (95% CI)
Adjusted
OR (95% CI)
Pain > 3 0.71 (0.58; 0.88) 0.70 (0.56; 0.88) 0.66 (0.53; 0.83) 0.65 (0.50; 0.83)
Non-improvement of activity limitation 1.00 (0.77; 1.31) 1.02 (0.77; 1.34) 0.94 (0.71; 1.24) 0.99 (0.72; 1.28)
Lack of pain control 0.97 (0.72; 1.32) 1.00 (0.74; 1.36) 1.03 (0.76; 1.41) 1.05 (0.76; 1.45)
  1. Adjusted for back pain at baseline, age, sex, episode duration, education and workload. LBP = low back pain; NRS = Numeric Rating Scale; RMDQ = Roland Morris Disability Questionnaire; SD = standard deviation