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Table 1 Demographic, anthropometric and socio-economic characteristics of a cohort of Australian schoolchildren at baseline in 2007

From: Socioeconomic patterns of overweight, obesity but not thinness persist from childhood to adolescence in a 6 -year longitudinal cohort of Australian schoolchildren from 2007 to 2012

  Male (N = 479) Female (N = 460)
Age (years) (mean (SD) 10.1 (1.4) 10.0 (1.4)
School grade % (N)   
  Grade 2 - 8–9 years 19.2 (92) 22.0 (101)
  Grade 3 - 9–10 years 20.0 (96) 19.1 ( 88)
  Grade 4 - 10–11 years 24.2 (116) 21.3 ( 98)
  Grade 5 - 11–12 years 20.0 (96) 19.8 ( 91)
  Grade 6 - 12–13 years 16.5 (79 ) 17.8 (82)
Socioeconomic status SES   
  Low 33.4 (160 ) 38.7 (178)
  Middle 33.6 (161) 31.1 (143 )
  High 33.0 (158 ) 30.2 (139 )
Father’s education   
  Schooling to year 10 or less 25.3 (109 ) 23.9 (96)
  Schooling to year 12 11.8 (51) 11.7 (47)
  Technical College 36.2 (156 ) 35.8 (144 )
  University Degree 26.7 (115) 28.6 (115)
Ethnicity/Cultural background   
  Caucasian/ European 59.7 (286) 59.6 (274 )
  Aboriginal 2.9 (14 ) 3.7 (17)
  Southern European 30.9 (148 ) 26.3 (121)
  Chinese/South East Asian 2.9 (14 ) 4.1 (19)
  Middle Eastern 2.1 (10) 4.1 (19)
  Pacific Islander 0.4 (2) 1.1 (5)
  Indian/Sri Lankan 0.8 (4) 0.9 (4)
  African 0.2 (1) 0.2 (1)
(Mean (SD)   
Height (cm) 140.7 (0.09) 140.4 (0.10)
Weight (kg) 36.6 (8.71) 36.2 (9.48)
BMI 18.3 (2.88) 18.1 (2.90)
Weight range (IOTF references) % (N)   
  Obese 4.8 (23) 3.3 (15)
  Overweight 15.9 (76) 17.2 (79)
  Normal 76.6 (366) 74.9 (343)
  Thin 2.7 (13) 4.6 (21)
  1. Note – IOTF references were used, Cole et al., 2000 [33] and Cole et al., 2007 [34].