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Table 2 Median (interquartile range) and percentage differences in cycling time, speed, exercise intensity (% of maximal oxygen consumption), energy expenditure (metabolic equivalents attained during cycling based on 1 MET–3.5 ml O2 · kg -1 · min-1 and measured RMR), moderate-to-vigorous intensity physical activity and vigorous intensity physical activity during electrically assisted- and conventional biking presented combined and stratified on flat and hilly

From: Physical activity when riding an electric assisted bicycle

  Total Flat Hilly
Cycling time (min)
 E-bike 19.9 (3.1) 20.0 (2.9) 18.8 (4.9)
 Conventional 25.1 (3.9) 23.8 (1.8) 26.3 (6.4)
 Δ (%) -21 -16 -29
Speed (km · h-1)
 E-bike 23.1 (3.7) 24.6 (3.5) 22.7 (5.6)
 Conventional 18.4 (2.7) 20.7 (1.5) 16.3 (4.2)
 Δ (%) 21 16 29
% \( \overset{.}{\mathrm{V}}{\mathrm{O}}_2 \max \)
 E-bike 51 (27) 52 (19) 50 (18)
 Conventional 58 (26) 55 (12) 60 (22)
 Δ (%) -12 -6 -17
Measured METs (ml · kg -1 · min-1)
 E-bike 8.5 (3.1) 8.4 (3.3) 8.4 (3.2)
 Conventional 10.9 (2.7) 10.3 (2.8) 10.8 (3.1)
 Δ (%) -22 -19 -22
Estimated METs (ml · kg -1 · min-1)
 E-bike 6.9 (2.1) 6.9 (1.9) 6.8 (2.5)
 Conventional 8.4 (1.8) 8.1 (2.5) 8.5 (2.1)
 Δ (%) -18 -15 -20
MVPA (min)
 E-bike 19.0 (2.7) 19.5 (3.4) 18.0 (2.8)
 Conventional 23.9 (3.6) 23.5 (2.6) 24.3 (4.6)
 Δ (%) -21 -17 -26
VPA (min)
 E-bike 15.5 (4.1) 17.5 (5.3) 14.0 (2.5)
 Conventional 20.8 (3.1) 20.5 (4.0) 21.5 (1.8)
 Δ (%) -26 -15 -35
  1. Abbreviations: E-bike electrically assisted bicycle, Δ percentage difference between electrically assisted- and conventional biking; \( \overset{.}{\mathrm{V}}{\mathrm{O}}_2 \) oxygen consumption, METs Metabolic Equivalents, MVPA moderate-to-vigorous intensity physical activity, VPA vigorous intensity physical activity