Table 1 Baseline characteristics ¹

Age, years, median [range]

13.4 [10.6 to 16.4]

12.9 [10.1 to 17.4]

13.2 [10.1 to 17.4]

Obese²

45 (100)

60 (94)

105 (96.3)

Height, metre, mean ± SD

1.67 ± 0.12

1.60 ± 0.91

1.63 ± 0.11

Weight, kilograms, mean ± SD

96.9 ± 20.1

86.8 ± 19.1

91.0 ± 20.0

BMI, kg/m², mean ± SD

34.5 ± 4.7

33.8 ± 6.0

34.1 ± 5.37

BMI% 95 centile, mean ± SD

137 ± 21

129 ± 21

132 ± 21

Parent highest education

(n = 45)

(n = 53)

(n = 98)

Year 10 or below

13 (29)

22 (42)

35 (36)

Completed Year 12

8 (18)

5 (9)

13 (13)

Technical school/tertiary education

24 (53)

26 (49)

50 (51)

Family income, AUD/year

(n = 43)

(n = 52)

(n = 95)

<$31200/year

14 (33)

14 (27)

28 (30)

$31200 – $67599/year

17 (40)

21 (40)

38 (40)

≥$ 67600/year

12 (28)

17 (33)

29 (31)

Single parent family

(n = 45)

(n = 53)

(n = 98)

10 (22)

16 (30)

26 (27)

Parent country of birth

25 (24)

23 (39)

(n = 103)

Australia/New Zealand

9 (21)

14 (24)

34 (33)

America/Europe

12 (27)

10 (17)

23 (22)

Asia

8 (18)

10 (17)

22 (21)

Africa/Middle East

4 (9)

2 (3)

18 (18)

Pacific Island

6 (6)

Spoke another language at home

(n = 43)

(n = 63)

(n = 106)

9 (21)

12 (19)

21 (20)