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Table 3 Baseline adjusted means and 95 % confidence intervals by measure, arm and time point comparison

From: Delivering an Optimised Behavioural Intervention (OBI) to people with low back pain with high psychological risk; results and lessons learnt from a feasibility randomised controlled trial of Contextual Cognitive Behavioural Therapy (CCBT) vs. Physiotherapy

  Baseline – 3 Months Baseline - 6 months
Questionnaire CCBT Mean (95 % CI) N Physiotherapy Mean (95 % CI) N CCBT Mean (95 % CI) N Physiotherapy Mean (95 % CI) N N
Brief Pain Inventory – Pain Severity Index 14.9 (12.38, 17.46) 23 15.0 (12.64, 17.42) 26 13.8 (10.39, 17.17) 23 13.7 (10.31, 17.09) 23
Brief Pain Inventory – Function Interference Index 25.6 (19.20, 31.92) 21 23.8 (18.11, 29.52) 26 21.6 (15.88, 27.24) 23 25.4 (19.56, 31.17) 22
Chronic Pain Acceptance – Activity Engagement 42.0 (38.16. 45.90) 29 44.4 (40.72, 48.07) 32 43.5 (39.93, 47.07) 25 45.5 (42.02, 49.02) 26
Chronic Pain Acceptance # – Pain Willingness -   -   26.0 (22.79, 29.23) 25 23.3 (20.12, 26.43) 26
Chronic Pain Acceptance – Total Score 65.6 (61.43, 69.82) 29 66.8 (62.80, 70.78) 32 69.3 (64.23, 74.44) 25 69.0 (63.96, 73.96) 26
Acceptance and Action 21.7 (19.27, 24.22) 32 18.3 (15.81, 20.76) 32 20.6 (18.03, 23.13) 26 19.1 (16.56, 21.67) 26
Roland Morris Disability 9.4 (7.60, 11.17) 23 8.6 (6.94, 10.30) 26 7.3 (5.86, 8.75) 23 8.6 (7.16, 10.12) 22
Hospital Anxiety and Depression - Anxiety 7.7 (6.42, 9.07) 23 7.65 (6.45, 8.85) 27 7.8 (6.36, 8.96) 23 7.2 (5.87, 8.47) 23
Hospital Anxiety and Depression - Depression 5.3 (4.26, 6.25) 22 5.4 (4.44, 6.28) 26 4.5 (3.34, 5.65) 23 4.8 (3.61, 5.92) 23
  1. The TSK is not included in the table above as it could not be appropriately analysed due to a significant interaction effect between treatment and score at screening
  2. # The CPAQ Pain Willingness subscale could not be appropriately analysed between 3 months and baseline due to a significant interaction effect between treatment and score at baseline
  3. Negative differences indicate higher scores in the Physiotherapy arm whilst positive differences indicate lower scores in the Physiotherapy arm
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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