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Table 2 Function and recoded unit measurement

From: A push for public health: the effect of e-bikes on physical activity levels

What Function Recoded unit measurement
Bicycle use for transport purposesa 3.39 x kilometres Minutes
Bicycle use for exerciseb 2.49 x kilometres Minutes
Physical activity (walking) Number of times × 20 min Minutes
Physical activity moderate (IPAQ) Hours × 60 min Minutes
Physical activity vigorous (IPAQ) Hours × 60 min Minutes
  1. a(16.09 + 19.31)/2 = 17.70 km/h. 60 min/17.70 = 3.39 min per km
  2. b(22.53 + 25.75)/2 = 24.14 km/h. 60 min/24.14 = 2.49 min per km