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
| 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 |
| % | |||
| 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 |
Abbreviations: E-bike electrically assisted bicycle, Δ percentage difference between electrically assisted- and conventional biking; oxygen consumption, METs Metabolic Equivalents, MVPA moderate-to-vigorous intensity physical activity, VPA vigorous intensity physical activity