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Table 2 Anthropometrics, cardiorespiratory fitness and the results of the questionnaires at baseline and after 6 months in the EG and CG

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

 EG (n = 129)CG (n = 136)Time x group 
ParameterBaselineAfter 6 monthsBaselineAfter 6 monthsp-valueη2
Body weight (kg)72.3 ± 13.971.6 ± 13.572.6 ± 13.672.6 ± 13.30.0140.02
Body fat percentage (%)32.9 ± 7.332.2 ± 7.533.2 ± 7.833.8 ± 7.4< 0.0010.05
Relative VO2peak (ml/min/kg)25.4 ± 4.727.4 ± 5.225.7 ± 5.125.7 ± 5.1< 0.0010.09
Relative workloadmax (W/kg)1.98 ± 0.402.17 ± 0.442.02 ± 0.432.02 ± 0.45< 0.0010.16
Physical activity total score (MET-h/wk)25.0 ± 18.238.5 ± 23.022.2 ± 16.627.8 ± 25.30.0010.04
Physical activity sports score (MET-h/wk)4.8 ± 4.914.3 ± 11.45.1 ± 5.28.5 ± 15.3< 0.0010.05
Work ability items
 WAI item 1 (points)7.7 ± 1.48.1 ± 1.57.9 ± 1.67.9 ± 1.60.1440.01
 WAI item 2 (points)7.8 ± 1.38.2 ± 1.28.2 ± 1.38.1 ± 1.30.0020.04
 WAI item 3 (points)2.2 ± 1.71.9 ± 1.62.1 ± 1.72.2 ± 1.90.0470.02
 WAI item 4 (points)5.4 ± 0.75.4 ± 0.85.6 ± 0.65.6 ± 0.60.7150.00
 WAI item 5 (points)3.9 ± 0.83.9 ± 0.93.9 ± 0.83.9 ± 0.80.5860.00
 WAI item 6 (points)6.8 ± 1.06.7 ± 1.06.8 ± 0.76.7 ± 1.00.3090.00
 WAI item 7 (points)3.2 ± 0.83.3 ± 0.73.2 ± 0.73.2 ± 0.70.4270.00
  1. CG Control group, EG Intervention group, VO2peak Peak oxygen uptake, WAI Work Ability Index. Boldp < 0.05