Table 6 Relationships of underweight, overweight, and obesity (vs. normal weight) assessed using self-reported and measured body mass index (BMIsr, BMIm) with various factors: odds ratio and 95% confidence interval

Boys

1.17 0.92-1.48

‒

1.27* 1.00-1.61

1.30* 1.03-1.65

1.59† 1.13-2.23

1.73† 1.21-2.47

1.73† 1.23-2.44

1.98† 1.37-2.86

Age (yr)

1.09 0.99-1.20

‒

1.09 0.99-1.20

‒

0.97 0.85-1.10

‒

0.92 0.80-1.05

‒

Family structure

  Intact

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

  Parents divorced/separated and reconstructed family

1.24 0.94-1.64

‒

1.17 0.89-1.55

‒

1.03 0.69-1.53

‒

1.17 0.78-1.76

‒

  Single parent and other situations

2.29‡ 1.57-3.37

1.89‡ 1.28-2.78

2.01‡ 1.40-2.89

1.70† 1.18-2.46

1.96† 1.17-3.31

‒

2.37‡ 1.46-3.86

1.85* 1.11-3.09

Father’s occupation

  Manager, professional, and intermediate professional

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

  Craftsman, tradesman, and firm head

1.26 0.91-1.74

‒

1.23 0.89-1.70

‒

0.80 0.46-1.38

‒

1.72* 1.01-2.93

‒

  Service worker and clerk

0.96 0.61-1.51

‒

0.93 0.59-1.45

‒

1.38 0.76-2.52

‒

1.65 0.84-3.21

‒

  Manual worker and other occupations

1.50† 1.10-2.06

1.36* 1.02-1.81

1.36* 1.00-1.84

‒

2.67‡ 1.77-4.04

2.60‡ 1.79-3.77

3.67‡ 2.33-5.79

2.29‡ 1.56-3.38

  Not working

2.47‡ 1.51-4.02

1.84* 1.13-3.00

2.13‡ 1.34-3.39

1.61* 1.02-2.55

2.89† 1.48-5.64

2.25* 1.18-4.33

5.06‡ 2.68-9.54

2.42† 1.31-4.50

Insufficient family income

1.38* 1.01-1.89

‒

1.29 0.95-1.75

‒

1.63* 1.07-2.47

‒

1.90† 1.27-2.85

‒

Low school performance (<10/20)

1.49 0.94-2.36

‒

1.76† 1.14-2.73

‒

2.51‡ 1.45-4.37

‒

2.96‡ 1.72-5.09

2.22† 1.24-3.97

Last-30 day substance use

  Tobacco

1.46 0.99-2.15

‒

1.67† 1.17-2.40

1.67† 1.16-2.38

1.49 0.87-2.55

‒

1.37 0.79-2.37

‒

  Alcohol

1.03 0.80-1.34

‒

0.93 0.72-1.20

‒

0.88 0.60-1.27

‒

0.97 0.67-1.41

‒

  Cannabis

1.21 0.72-2.04

‒

1.65* 1.03-2.64

‒

0.59 0.23-1.54

‒

0.37 0.11-1.22

0.23* 0.07-0.80

  Hard drugs

1.58 0.77-3.22

‒

1.76 0.92-3.40

‒

1.10 0.37-3.32

‒

0.81 0.24-2.76

‒

Lack of regular physical/sports activity

0.99 0.67-1.45

‒

0.98 0.67-1.42

‒

0.94 0.54-1.62

‒

1.13 0.67-1.88

‒

Having sustained violence

1.10 0.87-1.40

‒

1.03 0.81-1.31

‒

1.76† 1.24-2.49

1.58† 1.11-2.27

1.68† 1.18-2.40

1.55* 1.08-2.24

Victim of sexual abuse

1.58 0.83-3.00

‒

1.85* 1.01-3.38

‒

2.22* 1.00-4.93

‒

2.07 0.91-4.70

‒

Involvement in violence

1.16 0.90-1.49

‒

1.18 0.92-1.53

‒

1.87‡ 1.28-2.73

‒

1.60* 1.10-2.33

‒

WHOQOL ≤25th percentile value

  Physical health

1.54† 1.16-2.05

1.45† 1.09-1.93

1.25 0.95-1.66

‒

1.85† 1.25-2.72

‒

1.76† 1.19-2.60

‒

  Psychological health

1.52† 1.15-2.00

‒

1.37* 1.04-1.79

‒

2.51‡ 1.75-3.61

2.24‡ 1.55-3.26

2.24‡ 1.55-3.23

1.82† 1.24-2.69

  Social relationships

1.28 0.98-1.68

‒

1.18 0.91-1.55

‒

1.73† 1.21-2.48

‒

1.55* 1.07-2.24

‒

  Living environment

1.50† 1.14-1.98

‒

1.18 0.89-1.54

‒

2.15‡ 1.50-3.10

‒

1.85‡ 1.29-2.66

‒