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Table 3 Secondary outcome measures: Mean (SD) of group changes, and mean differences within groups 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 week changes   Intervention n = 29   Control n = 29
  Baseline 12 weeks Mean difference (95% CI) P value Baseline 12 weeks Mean difference (95% CI) P value
BMI 29.9 (7.2) 28.8 (6.8) −1.1 (-2.3 to 0.1) 0.047 28.3 (4.4) 28.4 (4.3) 0.1 (-0.9 to 1.1) 0.856
S-E 2.6 (0.6) 3.1 (0.5) 0.5 (0.1 to 0.9) 0.007 2.7 (0.7) 2.8 (0.5) 0.1 (-0.2 to 0.4) 0.329
Body fat 29.6 (6.9) 27.9 (6.9) −1.7 (-2.9to -0.4) 0.006 27.7 (6.9) 27.4 (6.5) −0.4 (-1.2 to 0.6) 0.340
WC 98.9 (12.8) 97.1 (12.4) −1.7 (-3.8 to 0.2) 0.029 93.5 (12.1) 93.8 (12.3) 0.2 (-1.3 to 1.8) 0.692
SBP 125.1 (16.4) 121.6 (12.7) −3.5 (-7.4 to 0.4) 0.090 122.4 (11.4) 121.2 (9.4) −1.1 (-4.7 to 2.4) 0.407
DBP 76.3 (9.7) 74.2 (7.3) −2.1 (-4.7 to 0.6) 0.068 75.0 (6.7) 74.0 (5.2) −1.0 (-3.2 to 1.2) 0.252
Weight 80.3 (16.9) 78.5 (16.2) −1.7 (-3.9 to -0.4) 0.133 76.9 (16.2) 77.1 (12.8) 0.2 (-2.9 to 3.3) 0.886
24 week changes   Intervention n = 29   Control n = 29
Baseline 24 weeks Mean difference (95% CI) P value Baseline 24 weeks Mean difference (95% CI) P value
BMI 29.9 (7.2) 29.0 (6.7) −0.1 (-2.3 to 0.3) 0.062 28.4 (4.4) 28.5 (4.1) 0.1 (-1.2 to 1.4) 0.841
S-E 2.6 (0.6) 3.1 (0.5) 0.5 (0.2 to 0.8) 0.002 2.7 (0.7) 2.6 (0.5) −0.1 (-0.4 to 0.3) 0.691
Body fat 29.6 (6.9) 27.9 (6.4) −1.7 (-3.1 to -0.3) 0.011 27.8 (6.9) 27.6 (6.1) −0.2 (-1.3 to 0.9) 0.661
WC 98.9 (12.8) 97.0 (12.3) −1.9 (-3.9 to 0.1) 0.060 93.5 (12.1) 93.7 (12.2) 0.2 (-1.3 to 1.7) 0.741
SBP 125.1 (16.4) 120.9 (11.4) −4.1 (-8.6 to 0.2) 0.030 122.4 (11.4) 121.5 (9.6) −0.9 (-4.8 to 3.0) 0.572
DBP 76.3 (9.7) 74.1 (6.1) −2.2 (-4.5 to 1.1) 0.165 75.1 (6.7) 74.4 (6.2) −0.6 (-3.8 to 2.5) 0.608
Weight 80.3 (16.9) 78.7 (16.2) −1.6 (-4.1 to 0.9) 0.330 76.9 (16.2) 77.5 (12.1) 0.6 (-2.6 to 3.8) 0.646
  1. BMI = body mass index, WC = waist circumference, DBP = diastolic blood pressure, SBP = systolic blood pressure, S-E = self-efficacy.