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Table 1 Characteristics and activity levels of participants for each time point

From: Longitudinal analysis of physical activity, sedentary behaviour and anthropometric measures from ages 6 to 11 years

  6 years 8 years 11 years
n 417 415 422
Male n (%) 184 (44.1%) 199 (48.0%) 191 (45.3%)
Age, years mean (SD) 6.1 (0.1) 8.1 (0.1) 11.2 (0.2)
Anthropometry
 BMI mean (SD) 15.9 (2.0) 16.8 (2.6) 18.7 (3.3)
 FMI mean (SD) 3.4 (1.1) 3.9 (1.6) 4.5 (2.0)
Activity levels in minutes per day
 Sedentary mean (SD) 299.0 (79.6) 332.0 (79.9) 406.0 (96.7)
 PA mean (SD) 532.9 (82.3) 519.8 (80.4) 457.6 (100.6)
 Light PA mean (SD) 418.3 (69.7) 397.8 (71.8) 373.7 (81.1)
 MVPA mean (SD) 114.6 (59.5) 122.1 (72.3) 83.9 (53.6)
  1. Abbreviations: BMI Body mass index, FMI Fat mass index, SB Sedentary behaviour, PA Physical activity, MVPA Moderate-to-vigorous physical activity