Research Article

Urinary Polycyclic Aromatic Hydrocarbon Metabolites and Attention/Deficit Hyperactivity Disorder, Learning Disability, and Special Education in U.S. Children Aged 6 to 15

Table 4

Multivariate associationsa between PAH metabolites and LD, NHANES 2001–2004 ( ).

All ( )
OR (95% CI)
Male ( )
OR (95% CI)
Female ( )
OR (95% CI)
value for interactionb

1-Pyrene
 Log-transformed0.85 (0.68, 1.05)0.99 (0.77, 1.27)0.58 (0.34, 0.98)0.8
 High versus low0.87 (0.50, 1.51)1.28 (0.68, 2.41)0.42 (0.16, 1.11)0.4
1-Napthol
 Log-transformed1.03 (0.85, 1.23)1.01 (0.75, 1.35)1.19 (0.84, 1.68)0.3
 High versus low1.65 (0.96, 2.81)1.81 (0.83, 3.93)1.46 (0.64, 3.31)0.9
2-Napthol
 Log-transformed0.91 (0.71, 1.17)1.00 (0.68, 1.46)0.89 (0.54, 1.45)0.5
 High versus low0.63 (0.31, 1.28)0.75 (0.32, 1.76)0.50 (0.18, 1.41)0.9
FLUO metabolites
 Log-transformed0.89 (0.68, 1.17)0.67 (0.42, 1.08)1.50 (0.80, 2.81)0.2
 High versus low1.14 (0.58, 2.23)0.93 (0.46, 1.89)1.54 (0.56, 4.24)0.3
PHEN metabolites
 Log-transformed0.91 (0.67, 1.24)0.90 (0.57, 1.42)1.03 (0.49, 2.13)0.1
 High versus low0.74 (0.42, 1.32)0.69 (0.33, 1.44)0.76 (0.29, 2.005)0.1

Adjusted for age, race/ethnicity, sex, creatinine, smokers in the household, PIR, birthweight, and having a routine source of medical care.
b value for interaction term sex * PAH.