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Table 3 Effect of a Physical exercise programme (PEP) vs Care as usual (CAU) on social functioning and role functioning (SF 36 score) at 6 and 12 weeks vs Baseline, using Analysis of co-variance (ANCOVA) *

From: Exercise therapy for Stress-related mental disorder, a randomised controlled trial in primary care

  Social functioning Role functioning
  PEP CAU Difference (95% BI) Effect size (95% BI) PEP CAU Difference (95% BI) Effect size (95% BI)
Baseline 47.4 (28.5) 48.3 (25.2)    21.0 (36.8) 23.4 (35.9)   
6 weeks 57.8 (23.2) 63.4 (21.4)    36.7 (42.7) 49.8 (44.6)   
ANCOVA    -5.4 (-13.8,3.1) -0.02 (-0.52, 0.12)    -12.8 (-30.1,4.5) -0.34(-0.80, 0.12)
12 weeks 60.1 (27.1) 69.9 (22.2)    37.4 (41.7) 62.3 (43.0)   
ANCOVA    -9.5 (-18.6,-0.5) -0.36 (-0.70, -0.02)    -24.4 (-41.1,-7.8) -0.65 (-1.09, -0.21)
  1. * ANCOVA analysis of covariance; Values are means (SD) unless indicated otherwise. 95% BI 95%-confidence interval; Effect size is Cohen's d; PEP = physical exercise programme; CAU = care as usual.