Table 2

Sample characteristics, stratified by sex, of children and parents; values are mean (SD), except where specified as %

CharacteristicAllMaleFemale
Child n=1731–1872 n=898–954 n=833–918
Age, years12.0 (0.4)12.0 (0.4)12.0 (0.4)
Pubertal status, %
 Prepubertal8.512.04.5
 Early pubertal24.440.06.7
 Mid-pubertal52.542.264.1
 Late postpubertal14.65.824.6
Parent n=1847–1852 n=226–229 n=1621–1623
Age, years43.7 (5.6)46.4 (7.1)43.3 (5.3)
Disadvantage index1009 (61)1005 (69)1009 (61)
Disadvantage index quintile, %
 1 (most disadvantaged)12.313.812.2
 218.122.717.5
 321.321.921.2
 422.614.923.7
 5 (least disadvantaged)25.626.725.5
  • Sample weights applied to data.