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Table 2 Adjusted mean changes form baseline to week 12 and differences between group-changes with confidence intervals (CI)a

From: Patient-centered professional practice models for managing low back pain in older adults: a pilot randomized controlled trial

Variable Treatment Group Mean Change (95% CI) Mean Difference (95% CI)
Shared vs. Dual Shared vs. Medical Dual vs. Medical
Roland Morris Disability Shared 2.8 (1.6 to 4.0) 0.3 (−1.5 to 2.0) 1.3 (−0.5 to 3.0) 1.0 (−0.8 to 2.8)
Dual 2.5 (1.3 to 3.7)
Medical 1.5 (0.2 to 2.8)
NRS-Average Shared 1.8 (1.0 to 2.6) −1.2 (−2.3 to −0.1) −0.5 (−1.7 to 0.6) 0.7 (−0.4 to 1.8)
Dual 3.0 (2.3 to 3.8)
Medical 2.3 (1.5 to 3.2)
NRS-Worst Shared 2.1 (1.3 to 2.9) −0.8 (−1.8 to 0.3) −0.2 (−1.3 to 0.9) 0.6 (−0.5 to 1.7)
Dual 2.9 (2.1 to 3.6)
Medical 2.3 (1.5 to 3.1)
LBP Bothersomeness Shared 0.8 (0.4 to 1.1) −0.2 (−0.6 to 0.3) 0.2 (−0.3 to 0.6) 0.3 (−0.1 to 0.8)
  Dual 0.9 (0.6 to 1.2)
  Medical 0.6 (0.3 to 0.9)
FABQ-Work or Daily Activity Shared 3.5 (0.7 to 6.3) 0.6 (−3.4 to 4.5) 2.6 (−1.5 to 6.7) 2.1 (−2.0 to 6.1)
Dual 2.9 (0.2 to 5.7)
Medical 0.9 (−2.1 to 3.9)
FABQ-Physical Activity Shared 1.6 (−0.3 to 3.5) −0.7 (−3.4 to 1.9) 0.6 (−2.2 to 3.4) 1.4 (−1.4 to 4.2)
Dual 2.3 (0.4 to 4.2)
Medical 0.9 (−1.1 to 3.0)
Timed Up & Go Shared 0.9 (0.0 to 1.9) 0.4 (−1.0 to 1.7) 1.3 (−0.1 to 2.7) 0.9 (−0.5 to 2.3)
Dual 0.5 (−0.4 to 1.5)
Medical −0.4 (−1.4 to 0.7)
  1. aValues estimated from a mixed-effects model using all observed data and an unstructured covariance
  2. NRS 0 to 10 numerical rating scale, LBP Low back pain, FABQ Fear Avoidance Beliefs Questionnaire