Table 2 Demographic characteristics of study participants

Child

Control (n = 64)

HYHD (n = 61)

Total (n = 125)

Mean

SD

Mean

SD

Mean

SD

Age (y) (n = 125)

3.9

0.5

4.0

0.5

3.9

0.5

Weight (kg) (n = 124)

17.2

2.3

17.7

2.4

17.5

2.4

Height (cm) (n = 124)

103.3

6.3

104.0

5.5

103.6

5.9

Body fat mass (%) (n = 121)

17.6

5.7

17.8

7.7

17.7

6.7

Body Mass Index (kg/m²) (n = 124)

16.1

1.1

16.3

1.4

16.2

1.3

Body Mass Index z-score (n = 124)

0.2

0.8

0.4

1.0

0.3

0.9

Physical activity (steps per day) (n = 114)

9595.9

2596.6

8051.6

2499.2

8837.3

2653.7

n

%

n

%

n

%

Sex

 Male

42

65.6%

34

55.7%

76

60.8%

Body Mass Index z-score category ^a (n = 124)

 Healthy weight (-2.0 to 1.0)

50

79.4%

41

67.2%

91

73.3%

 Risk of overweight (> 1.0)

13

20.6%

19

31.1%

32

25.8%

 Obesity (> 3.0)

0

0.0%

1

1.6%

1

0.8%

Fathers

Control (n = 64)

HYHD (n = 61)

Total (n = 125)

Mean

SD

Mean

SD

Mean

SD

Age (y) (n = 125)

38.4

4.9

37.6

5.9

38.0

5.4

Weight (kg) (n = 125)

90.9

17.3

90.9

19.5

90.9

18.3

Height (cm) (n = 125)

179.5

7.5

179.6

7.3

179.6

7.4

Body fat mass (%) (n = 124)

23.1

8.5

22.3

8.3

22.7

8.3

Body Mass Index (kg/m²) (n = 125)

28.2

4.8

28.1

5.1

28.1

4.9

Physical activity (steps per day) (n = 117)

8160.2

2906.3

8368.2

2906.3

8263.3

2913.8

n

%

n

%

n

%

Education level (n = 125)

 Post-school qualifications

59

92.2%

56

91.8%

115

92.0%

Employment status (n = 125)

 Full-time

57

89.1%

55

90.2%

112

89.6%

Currently attending an education institution (n = 125)

 Full-time or Part time

6

9.4%

5

8.2%

11

8.8%

 Not a student

58

90.6%

56

91.8%

114

91.2%

Aboriginal or Torres Strait Islander (n = 125)

3

4.7%

1

1.6%

4

3.2%

Born in Australia (n = 125)

56

87.5%

53

86.9%

109

87.2%

Relationship status (n = 125)

 Single

0

0.0%

2

3.3%

2

1.6%

 Married/defacto

63

98.4%

59

96.7%

122

97.6%

 Separated

1

1.6%

0

0.0%

1

0.8%

Body Mass Index category (n = 124)

 Underweight (< 18.5 kg/m²)

1

1.6%

0

0.0%

1

0.8%

 Healthy weight (18.5 to 24.9 kg/m²)

15

23.8%

16

26.2%

31

25.0%

 Overweight (25 to 29.9 kg/m²)

29

46.0%

22

36.1%

51

41.1%

 Obesity (≥ 30 kg/m²)

19

30.2%

22

36.1%

41

33.1%

Socio-economic status ^b (n = 125)

1–2 (lowest)

1

1.6%

1

1.6%

2

1.6%

3–4

16

25.0%

18

29.5%

34

27.2%

5–6

26

40.6%

22

36.1%

48

38.4%

7–8

16

25.0%

18

29.5%

34

27.2%

9–10 (highest)

5

7.8%

2

3.3%

7

5.6%