Table 1

Sample characteristics; values are weighted mean (SD), except where specified as (%)

CharacteristicAllMaleFemale
Child
  n1627–1759848–902741–857
  Age, years12.0 (0.4)12.0 (0.4)12.0 (0.4)
  Height, cm153.8 (8.0)153.4 (8.3)154.3 (7.7)
  Weight, kg46.6 (11.4)45.8 (11.4)47.3 (11.3)
  BMI, kg/m2 19.5 (3.7)19.3 (3.6)19.7 (3.7)
  BMI z-score0.37 (1.03)0.36 (1.07)0.39 (1.00)
  Waist circumference, cm66.9 (9.0)67.5 (9.0)66.1 (8.9)
  Disadvantage index1009 (62)1009 (62)1010 (62)
  Started puberty (%)91.888.595.5
  Asthma reported (%)14.015.512.3
  Shortness of breath causing restriction (%)0.50.30.7
Parent
  n1756–1774218–2211536–1553
  Age, years43.7 (5.6)46.2 (7.0)43.4 (5.3)
  Height, cm165.9 (7.8)177.7 (7.4)164.2 (6.3)
  Weight, kg78.2 (19.1)91.4 (17.4)76.4 (18.6)
  BMI, kg/m2 28.4 (6.4)28.9 (4.9)28.3 (6.6)
  Waist circumference, cm87.9 (15.1)98.1 (13.4)86.4 (14.8)
  Asthma reported (%)9.93.610.8
  Shortness of breath causing restriction (%)1.82.21.8
  • Disadvantage index, index of relative socioeconomic disadvantage; n, number of participants in cohort with this measure.

  • BMI, body mass index.