Table 3.

Behavioral characteristics of tertile groups according to the urinary bisphenol A concentration

Tertile group of urine bisphenol A	Q1 (n = 148)	Q2 (n = 147)	Q3 (n = 149)	F	p value
K-ARS
Total	11.8 ± 12.1	15.2 ± 11.9	17.4 ± 11.6	8.44	< 0.000**
Hyperactivity-Impulsivity	5.0 ± 5.5	6.8 ± 5.9	7.6 ± 5.9	8.34	< 0.000**
Inattention	6.9 ± 6.9	8.4 ± 6.5	9.8 ± 6.4	7.32	0.001**
BASC-2
Hyperactivity	47.8 ± 10.2	50.6 ± 11.5	51.5 ± 11.0	4.54	0.011*
Aggression	46.8 ± 8.0	49.0 ± 9.5	49.3 ± 8.3	3.65	0.027*
Conduct problems	47.4 ± 10.0	49.5 ± 9.9	49.5 ± 9.9	2.07	0.127
Anxiety	41.8 ± 7.5	43.0 ± 7.9	44.3 ± 8.6	3.58	0.029*
Depression	47.5 ± 8.8	49.7 ± 9.6	51.2 ± 9.8	5.63	0.004**
Somatization	44.5 ± 9.2	43.7 ± 8.0	46.1 ± 9.7	2.62	0.074
Atypicality	48.8 ± 8.7	50.2 ± 11.0	51.5 ± 11.0	2.62	0.074
Withdrawal	48.6 ± 8.7	50.1 ± 10.2	50.6 ± 9.4	1.79	0.168
Attention problems	53.2 ± 11.0	55.0 ± 11.2	55.5 ± 10.0	1.79	0.168
Adaptability	48.3 ± 8.9	48.2 ± 9.8	47.7 ± 9.3	0.16	0.854
Social skills	43.5 ± 8.6	42.7 ± 9.6	42.7 ± 9.0	0.39	0.681
Leadership	44.3 ± 8.8	44.0 ± 9.1	44.1 ± 9.3	0.05	0.953
Activities of daily living	45.9 ± 10.6	44.6 ± 10.2	43.3 ± 11.3	2.12	0.121
Functional communication	49.0 ± 9.3	46.1 ± 11.2	44.7 ± 10.6	6.49	0.002**
Externalizing problems	47.0 ± 9.3	49.7 ± 10.6	50.1 ± 9.6	4.16	0.016*
Internalizing problems	43.3 ± 8.7	44.4 ± 8.5	46.6 ± 10.0	4.79	0.009**
Behavioral symptom index	48.4 ± 9.4	51.0 ± 10.5	52.0 ± 9.9	5.18	0.006**
Adaptive skills	45.5 ± 8.4	44.3 ± 9.7	43.6 ± 9.4	1.67	0.189

Values are presented as mean ± standard deviation.

K-ARS, Korean version of the Attention Deficit/Hyperactivity Disorder Rating Scale; BASC-2, Behavior Assessment System for Children, Second Edition.

^* p < 0.05; ** p < 0.01.