Table 7.

Multivariate logistic regression analysis of CBCL total problems and noise-related variables

		Model 1		Model 2		Model 3		Model 4
		OR (95% CI)	P value	aOR (95% CI)	P value	aOR (95% CI)	P value	aOR (95% CI)	P value
Noise sensitivity		1.36 (1.09–1.71)	0.008	1.36 (1.08–1.71)	0.008	1.35 (1.06–1.72)	0.014	1.33 (1.04–1.70)	0.022
Noise level (Ldn)		1.07 (1.01–1.14)	0.024	1.07 (1.01–1.14)	0.024	1.07 (1.01–1.14)	0.034	1.08 (1.01–1.15)	0.034
Age				1.25 (0.93–1.69)	0.141	1.24 (0.91–1.68)	0.168	1.27 (0.93–1.75)	0.135
Sex				1.23 (0.5–3.04)	0.652	1.26 (0.5–3.18)	0.626	1.22 (0.47–3.13)	0.683
Monthly income				0.82 (0.29–2.34)	0.714	1.2 (0.38–3.82)	0.762	1.29 (0.4–4.19)	0.675
Premature birth						1.54 (0.18–13.24)	0.693	1.59 (0.18–13.89)	0.674
Maternal age at birth						0.92 (0.8–1.05)	0.22	0.93 (0.81–1.06)	0.275
Passive smoking						1.87 (0.08–44.98)	0.701	2.09 (0.09–51.35)	0.652
Maternal illness during pregnancy
Hypertension					1.69 (0.13–21.71)	0.687	1.74 (0.12–24.27)	0.682
Preeclmasia					4.49 (1.64–12.31)	0.004	4.47 (1.61–12.42)	0.004
Mental disorders
ADHD							6.2 (0.41–92.77)	0.186
Tic disorder							NA	NA
Conduct disorder							NA	NA

ADHD = attention deficit hyperactivity disorder, aOR = adjusted OR, CBCL = Child Behavior Checklist, CI = confidence interval, Ldn = day–night equivalent level, NS = noise sensitivity, OR = odds ratio.