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Table 2 Primary outcome measures: Mean (SD) of groups changes, and mean differences within group for outcomes between baseline and follow-up periods

From: Investigating the effect of a 3-month workplace-based pedometer-driven walking programme on health-related quality of life in meat processing workers: a feasibility study within a randomized controlled trial

12 weeks changes Intervention n = 29   Control n = 29  
Baseline 12 weeks Means difference (95% CI) P value Baseline 12 weeks Means difference (95% CI) P value
Step-count 5993 (1234) 9792 (2053) 3799 (3225 to 4371) 0.005 5788 (1172) 6551(1154) 763 (137 to 1388) 0.013
W.MET 182 (140) 1035 (444) 853 (659 to 1047) 0.005 168 (118) 188 (135) 20 (-63 to 103) 0.545
Total MET 566 (184) 1469 (524) 903 (683 to 1124) 0.005 530 (250) 538 (254) 8 ( -146 to162) 0.898
PCS (0-100) 49.3 (7.2) 53.3 (5.3) 4.0 (0. 9 to 7.1) 0.008 50.5 (8.1) 50.0 (7.1) −0.5 (-3.5 to 2.5) 0.670
MCS (0-100) 50.3 (8.0) 52.7 (5.2) 2.4 (-0.1 to 5.7) 0.082 51.0 (5.8) 51.7 (7.1) 0.7 (-2.0 to 3.5) 0.519
6MWT 555 (72) 587 (69) 32.6 (20.3 to 44.9) 0.005 554 (69) 569 (74) 14.9 (-6.0 to 36.0) 0.081
24 weeks changes Intervention n = 29   Control n = 29  
Baseline 24 weeks Means difference (95% CI) P value Baseline 24 weeks Means difference (95% CI) P value
Step-count 5993(1234) 9645(1906) 3652 (2950 to 4354) 0.005 5788 (1172) 6266 (1648) 478 (-306 to1263) 0.396
W.MET 182 (140) 972 (383) 790 (615 to 964) 0.005 168 (118) 180 (133) 12 (-65 to 89) 0.701
Total MET 566 (184) 1383 (402) 817 (630 to 1003) 0.005 530 (250) 520 (246) −10 (-190.7 to170) 0.893
PCS (0-100) 49.3 (7.2) 52.8 (4.6) 3.5 (0.5 to 6.5) 0.018 50.5 (8.1) 50.9 (6.9) 0.38 (-4.22 to 4.99) 0.833
MCS (0-100) 50.3 (8.0) 53.1(5.4) 2.7 (-1.0 to 6.5) 0.074 51.0 (5.8) 51.8 (6.6) 0.8 (-3.2 to 5.0) 0.599
6MWT 555 (72) 584 (67) 29.4 (9.4 to 49.4) 0.001 554 (69) 562 (74) 8.2 (-16.7 to 33.2) 0.409
  1. WMET = walking metabolic equivalent, total MET = total metabolic equivalent (extracted from International Physical Activity questionnaire), PCS = physical component score, MCS = mental component score, 6MWT = 6 minute walk test.