Table 4 The “Activity Level” classification rules following the WHO guidelines.

From: An automatic and personalized recommendation modelling in activity eCoaching with deep learning and ontology

Level (score)

Rule(s)\(^{\textbf {a}}\)

Sedentary (0)

((step < 5000) \(\wedge\) (VPA*2 + MPA) *7 < 90 \(\wedge\) LPA \(\ge\) 0)) \(\vee\) (step < 5000)

Low physical active (1)

((step > 4999) \(\wedge\) (VPA*2 + MPA) *7 \(\ge\) 90 \(\wedge\) (VPA*2 + MPA) *7 < 210) \(\vee\) (step > 4999 \(\wedge\) step < 7500)

Active (2)

((step > 4999) \(\wedge\) (VPA*2 + MPA) *7 \(\ge\) 210 \(\wedge\) (VPA*2 + MPA) *7 < 300) \(\vee\) (step > 7499 \(\wedge\) step < 10,000)

Medium physical active (3)

((step > 4999) \(\wedge\) (VPA*2 + MPA) *7 \(\ge\) 300 \(\wedge\) (VPA*2 + MPA) *7 < 360)) \(\vee\) (step > 9999 \(\wedge\) step < 12,500)

High physical active (4)

((step > 4999) \(\wedge\) (VPA*2 + MPA) *7 \(\ge\) 360) \(\vee\) (step > 12,499)

  1. \(^a MPA\) = 2 VPA.