Table 1 Characteristics of the samples

Age (years)

 Mother

40.35 (7.01)

41.70 (6.75)

 Father

42.84 (7.33)

44.20 (7.25)

 Child

7.88 (2.73)

8.08 (2.78)

Number of siblings

2.30 (1.04)

2.25 (1.03)

BMI

 Mother

24.93 (4.18)

25.12 (4.34)

 Father

25.33 (3.34)

25.25 (3.43)

 Child

16.31 (2.24)

16.51 (2.18)

BMI z-score child

−0.08 (1.00)

−0.03 (0.94)

Categorical

N

%

N

%

Child sex

 Male

140

51.3

50

50.0

 Female

133

48.7

50

50.0

Relation to child

 Biological mother

209

76.6

78

78.0

 Biological father

56

20.5

19

19.0

 Stepmother

2

0.7

1

1.0

 Stepfather

0

0

0

0

 Other

6

2.2

2

2.0

Mother’s education

 Low

4

1.5

1

1.0

 Medium

86

31.5

27

27.0

 High

177

64.8

70

70.0

 Missing

6

2.2

2

2.0

Father’s education

 Low

16

5.9

5

5.0

 Medium

88

32.2

27

27.0

 High

163

59.7

66

66.0

 Missing

6

2.2

2

2.0

Mother employed

 No

51

18.7

18

18.0

 Yes

216

79.1

80

80.0

 Missing

6

2.2

2

2.0

Father employed

 No

20

7.3

9

9.0

 Yes

247

90.5

89

89.0

 Missing

6

2.2

2

2.0

Mother’s weight category

 Underweight

3

1.1

1

1.0

 Healthy weight

150

54.9

57

57.0

 Overweight

90

33.0

31

31.0

 Obesity

30

11.0

11

11.0

Father’s weight category

 Underweight

0

0

0

0

 Healthy weight

139

50.9

47

47.0

 Overweight

110

40.3

47

47.0

 Obesity

24

8.8

6

6.0

Child’s weight category

 Healthy weight

242

88.6

87

87.0

 Overweight

16

5.9

6

6.0

 Obesity

15

5.5

7

7.0