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Table 3 Parameter estimates for aircraft and road traffic noise and early biological risk on all SDQ measures

From: Environmental noise exposure, early biological risk and mental health in nine to ten year old children: a cross-sectional field study

  

Model 1 (unadjusted)

Model 2 (adjusted*)

Model 3 (adjusted*)

  

β

SE

CI

p

β

SE

CI

p

β

SE

CI

p

Overall SDQ

Constant

10.07

1.56

7.01, 13.12

 

14.21

3.40

7.54, 20.88

 

14.96

3.39

8.31, 21.61

 
 

Aircraft noise

-0.02

0.02

-0.05, 0.02

.35

0.01

0.01

-0.02, 0.04

.39

0.01

0.01

-0.02, 0.04

.51

 

Road traffic noise

0.00

0.02

-0.04, 0.05

.84

-0.02

0.02

-0.05, 0.01

.27

-0.02

0.02

-0.05, 0.01

.21

 

Early biological risk

1.81

0.43

0.97, 2.65

.00

    

1.64

0.41

0.84, 2.45

.00

Emotional symptoms

Constant

2.28

0.47

1.36, 3.19

 

3.59

1.32

1.00, 6.18

 

3.82

1.32

1.24, 6.40

 
 

Aircraft noise

-0.00

0.01

-0.01, 0.01

.91

0.00

0.01

-0.01, 0.01

.34

0.00

0.01

-0.01, 0.01

.97

 

Road traffic noise

0.00

0.01

-0.01, 0.02

.81

0.00

0.01

-0.01, 0.01

.97

-0.00

0.01

-0.01, 0.01

.89

 

Early biological risk

0.61

0.16

0.30, 0.92

.00

    

0.52

0.16

0.21, 0.83

.00

Conduct problems

Constant

2.57

0.51

1.57, 3.56

 

2.27

0.98

0.35, 4.18

 

2.45

0.98

0.54, 4.36

 
 

Aircraft noise

-0.02

0.01

-0.03, -0.00

.01

-0.01

0.00

-0.01, 0.00

.23

-0.01

0.00

-0.01, 0.00

.17

 

Road traffic noise

-0.00

0.01

-0.01, 0.01

.91

-0.01

0.01

-0.02, -0.00

.04

-0.01

0.01

-0.02, -0.00

.03

 

Early biological risk

0.43

0.12

0.19, 0.66

.00

    

0.40

0.12

0.17, 0.63

.00

Hyperactivity

Constant

3.46

0.71

2.08, 4.85

 

5.95

1.51

2.99, 8.91

 

6.02

1.51

3.06, 8.99

 
 

Aircraft noise

-0.01

0.01

-0.02, 0.01

.56

0.01

0.01

0.00, 0.02

.05

0.01

0.01

0.00, 0.02

.05

 

Road traffic noise

0.01

0.01

-0.01, 0.03

.30

0.00

0.01

-0.01, 0.01

.96

-0.00

0.01

-0.01, 0.01

.94

 

Early biological risk

0.17

0.19

-0.21, 0.54

.39

    

0.16

0.18

-0.20, 0.52

.38

  1. * model adjusted for country, age, gender, employment status, crowding, home ownership, mother's educational achievement, long-standing illness, main language spoken at home, parental support for schoolwork and classroom glazing type; SE, standard error; CI, confidence interval; SDQ, strengths and difficulties questionnaire.