From: Neurobehavioral effects of transportation noise in primary schoolchildren: a cross-sectional study
 | % | Mean +/- Std | Range |
---|---|---|---|
Age (yrs) | Â | 10.5 +/- 0.6 | 8.8 - 12.8 |
% girls | 48.8 | Â | Â |
Socio-economic status | |||
% employeda) | 91.9 | Â | Â |
% crowdedb) | 32.9 | Â | Â |
% homeowners | 81.4 | Â | Â |
Mother's education (index 0-1)c) | Â | 0.5 +/- 0.3 | 0.0 - 1.0 |
% longstanding illnessd) | 27.7 | Â | Â |
% ADHD | 1.9 | Â | Â |
% dyslexia | 3.5 | Â | Â |
% main language at home is Dutch | 93.4 | Â | Â |
Parental support (scale 1-12)e) | Â | 8.6 +/- 1.9 | 3 - 12 |
Glazing | |||
% Single glazing at school | 47.8 | Â | Â |
% Double glazing at school | 49.5 | Â | Â |
% Triple glazing at school | 2.7 | Â | Â |
% Double glazing at home | 55.6 | Â | Â |
Noise exposure (LAeq, 7-23 hr) in dB(A) | |||
Aircraft noise at school | Â | 48.6 +/- 7.1f) | 36.3 - 62.8 |
Aircraft noise at home | Â | 48.1 +/- 7.1f) | 34.5 - 63.4 |
Road traffic noise at school | Â | 48.7 +/- 8.6f) | 34.0 - 62.0 |
Road traffic noise at home | Â | 50.2 +/- 7.3f) | 28.0 - 67.0 |