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Table 2 Descriptive characteristics of the time-use composition (n = 6143)

From: Patterns of health behaviour associated with active travel: a compositional data analysis

Component Raw composition Imputed composition
  Arithmetic mean (SD) Median (IQR) Geometric mean Compositional mean
Sleep (min/day) 499.4 (115.0) 500 (430–570) 482.6 594.4
Leisure MVPA (min/day) 26.8 (55.3) 0 (0–30) 10.5 13.0
Leisure sedentary screen time (min/day) 189.5 (155.0) 160 (70–270) 117.3 144.5
Non-discretionary time (min/day) 482.2 (204.8) 480 (330–640) 423.6 521.8
Travel (min/day) 79.2 (93.7) 60 (20–110) 43.7 53.9
Other (min/day) 162.9 (153.1) 120 (40–240) 91.3 112.5
  1. IQR interquartile range, min minutes, MVPA moderate to vigorous physical activity, n number, SD standard deviation