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Table 4 Mean differences at baseline and after 6 months in anthropometrics, cardiorespiratory fitness and the results of the questionnaires in the EG

From: Effects of six month personalized endurance training on work ability in middle-aged sedentary women: a secondary analysis of a randomized controlled trial

ParameterWAI 1 (n = 47)WAI 2 (n = 64)WAI 3 (n = 18)p-value
ΔBody weight (kg)−1.2 ± 3.4−0.3 ± 2.7−1.0 ± 2.30.238
ΔBody mass index (kg/m2)− 0.3 ± 1.20.0 ± 1.2− 0.3 ± 0.80.285
ΔBody fat percentage (%)−0.5 ± 2.9−0.4 ± 3.3− 1.7 ± 1.80.155
ΔRelative VO2peak (ml/min/kg)2.0 ± 3.31.9 ± 2.91.9 ± 3.60.982
ΔRelative Workloadmax (W/kg)0.18 ± 0.200.20 ± 0.220.20 ± 0.320.785
Work ability items
 ΔWAI total (points)3.6 ± 4.7a,b0.2 ± 3.2 a0.1 ± 1.7b< 0.001
 ΔWAI item 1 (points)1.0 ± 1.7a,b0.1 ± 1.5a−0.1 ± 1.1b< 0.001
 ΔWAI item 2 (points)0.8 ± 1.5a0.1 ± 1.0a0.5 ± 1.20.030
 ΔWAI item 3 (points)− 0.7 ± 1.6b−0.2 ± 1.20.2 ± 0.6b0.014
 ΔWAI item 4 (points)0.2 ± 0.9a−0.2 ± 0.6a0.0 ± 0.00.015
 ΔWAI item 5 (points)0.1 ± 1.00.0 ± 0.80.0 ± 0.60.952
 ΔWAI item 6 (points)0.1 ± 1.2−0.1 ± 0.50.0 ± 0.00.588
 ΔWAI item 7 (points)0.4 ± 0.80.0 ± 0.70.1 ± 0.40.042
  1. Boldp < 0.05 baseline vs 6 months, ap < 0.05 WAI 1 vs WAI 2, bp < 0.05 WAI 1 vs WAI 3. VO2peak Peak oxygen uptake, WAI Work Ability Index