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Table 5 Mental health problems and health behaviour in the10 th grade as predictors of non-completion of upper secondary school in girls (n = 4751)

From: Mental health problems in the 10thgrade and non-completion of upper secondary school: the mediating role of grades in a population-based longitudinal study

 

Crude

Model 1a

Model 2b

Model 3c

 

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

SDQ externalising (per 2 points)

1.59

1.51

1.66*

1.48

1.41

1.56*

1.44

1.36

1.52*

1.31

1.24

1.39*

SDQ internalising (per 2 points)

1.29

1.24

1.35*

1.21

1.16

1.27*

1.08

1.03

1.14*

1.09

1.04

1.15*

Health behaviour

            

Smoking

            

  No

ref.

 

*

      

ref.

 

*

  Sometimes

1.46

1.21

1.77

      

1.30

1.05

1.62

  Yes, every day

4.75

4.01

5.62

      

2.77

2.23

3.45

Alcohol last year

            

  Never

ref.

 

*

      

ref.

  

  A few times last year

0.85

0.70

1.04

      

0.83

0.66

1.05

  1–3 times a month

1.36

1.13

1.64

      

0.88

0.69

1.13

  Once a week or more

1.92

1.53

2.41

      

0.93

0.68

1.26

Physical activity

            

  0 hours per week

ref.

 

*

      

ref.

 

*

  1–2 hours per week

0.77

0.63

0.95

      

1.12

0.89

1.43

  3–4 hours per week

0.49

0.39

0.61

      

0.85

0.66

1.10

  5–7 hours per week

0.34

0.27

0.44

      

0.65

0.49

0.86

  8 hours or more per week

0.41

0.31

0.54

      

0.78

0.57

1.07

  1. aModel 1: SDQ externalising and SDQ internalising separately, adjusted for ethnic background, county of residence, parents’ education, income and marital status.
  2. bModel 2: SDQ externalising and SDQ internalising adjusted for each other, and for ethnic background, county of residence, parents’ education, income and marital status.
  3. cModel 3: Like model 2, in addition adjusted for health behaviours.
  4. *p ≤ 0.001.