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Table 3 Relationship between pain and physical activity and exercise capacity

From: Pain in Veterans with COPD: relationship with physical activity and exercise capacity

Outcome Predictor Beta coefficient (95% Confidence Interval) P-value
Baseline steps Baseline pain 5.85 (− 2.67, 14.37) 0.1178
Change in steps Baseline pain 3.05 (− 4.16, 10.25) 0.4061
Change in steps Change in pain 3.11 (− 6.10, 12.31) 0.5065
Baseline 6MWT Baseline pain 0.51 (0.20, 0.82) 0.0013
Change in 6MWT Baseline pain − 0.08 (− 0.30, 0.14) 0.4617
Change in 6MWT Change in pain 0.30 (0.03, 0.58) 0.0312
  1. Generalized linear regression models evaluating relationships between bodily pain score, change in bodily pain score, daily step counts, change in daily step counts, 6MWT distance, and change in 6MWT distance. Models adjusted for age, BMI, percent predicted FEV1, dyspnea, and cohort. When relevant, additional covariates for group, season at time of enrollment, and baseline 6MWT distance or baseline daily step counts were included. Steps indicate average daily step counts and 6MWT indicates 6MWT distance as measured in meters. Unit of change for bodily pain is 1 point