Table 3. Summary of primary children's sleep habits questionnaire according to road traffic noise.

Characteristics	Total (n = 464)	Low road traffic noise (n = 352)	High road traffic noise (n = 112)	F	P value
Bedtime resistance	9.36 ± 2.38	9.45 ± 2.36	9.09 ± 2.41	1.856	0.174
Sleep onset delay	1.18 ± 0.45	1.17 ± 0.45	1.19 ± 0.44	0.228	0.633
Sleep duration	3.86 ± 1.24	3.87 ± 1.23	3.81 ± 1.26	0.145	0.703
Sleep anxiety	5.68 ± 1.75	5.72 ± 1.80	5.55 ± 1.60	0.858	0.355
Night waking	3.42 ± 1.23	3.46 ± 1.38	3.28 ± 0.52	2.051	0.153
Parasomnias	8.29 ± 1.33	8.33 ± 1.31	8.17 ± 1.39	1.090	0.297
Sleep disordered breathing	3.22 ± 0.61	3.21 ± 0.62	3.24 ± 0.56	0.229	0.633
Daytime sleepiness	13.30 ± 3.39	13.35 ± 3.47	13.17 ± 3.14	0.252	0.616
Total score	45.16 ± 6.13	45.39 ± 6.34	44.45 ± 5.35	1.944	0.164

Data are shown as mean ± standard deviation.