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

Table 2 Parameter estimates for sociodemographic status variables on the total SDQ score.

	Β	SE	95% CI
Fixed Coefficients
Spain	1.000
United Kingdom	-2.131	0.392	-2.899, -1.363*
Netherlands	-3.595	0.408	-4.395, -2.795*
Gender	-0.875	0.249	-1.363, -0.387*
Age	-0.001	0.001	-0.003, 0.001
Employment status	0.430	0.388	-0.330, 1.190
Crowding at home	-0.437	0.326	-1.076, 0.202
Home ownership	1.736	0.315	1.119, 2.353*
Mother's educational achievement	2.400	0.455	1.508, 3.292*
Long-standing illness	1.790	0.290	1.222, 2.358*
Main language spoken at home	-0.239	0.460	-1.141, 0.663
Parental support for school work	-0.306	0.070	-0.443, -0.169*
Classroom glazing type	0.334	0.130	0.079, 0.589*
Random Parameters
Level 2: school	0.000	0.000
Level 1: pupil	28.900	0.938

* p < .05; SE, standard error; CI, confidence interval; SDQ, Strengths and Difficulties Questionnaire.

ISSN: 1476-069X