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Table 3 Main intention to treat analyses of effect of Walk Well programme on primary and secondary outcomes assessed immediately after end of programme (12 weeks)

From: Process evaluation of the Walk Well study: a cluster-randomised controlled trial of a community based walking programme for adults with intellectual disabilities

  Walk Well Control Main between group comparison
Outcomes N Mean (SD) N Mean (SD) Mean difference at 12-weeks (95 % CI)a p ICC
Primary outcome        
Step count per day 42 4823 (2059) 40 4784 (2613) 69.5 (-1054 , 1193.3) 0.90 0.51
Secondary outcomes        
Percentage time per day MVPA 42 3.0 (2.6) 40 3.1 (2.1) 0.3 (-0.7 , 1.3) 0.55 0.42
Percentage time per day sedentary 42 66.4 (10.0) 40 65.9 (12.0) 1.6 (-3.0 , 6.1) 0.49 0.22
Total MET minutes per week 37 1311.9 (1293.2) 37 1154.8 (1103.7) 56.0 (-428.8,540.9) 0.82 0.02
Body Mass Index (kg/m2) 43 32.1 (7.7) 43 32.9 (7.5) −0.2 (-0.83,0.41) 0.49 0.00
Waist circumference (cm) 45 104.9 (16.9) 42 107.8 (17.8) −1.6 (-3.93,0.64) 0.15 0.00
Subjective vitality (mean score) 39 14.6 (2.5) 35 14.3 (2.8) 0.3 (-0.85, 1.52) 0.57 0.00
Self-efficacy (mean score) 43 14.4 (3.0) 42 13.7 (3.7) 0.8 (-0.68, 2.22) 0.29 0.08
EQ-5D (mean health utility score) 44 0.8 (0.27) 43 0.7 (0.30) 0.0 (-0.09, 0.14) 0.70 0.00
  1. SD standard deviation, ICC intraclass correlation coefficient, EQ-5D European quality of Life 5 Dimensions, MET metabolic equivalents, MVPA moderate vigorous physical activity; aBetween group mixed effects model adjusted for cluster and baseline value