Table 2.
Adjusted count ratiosa for association of urinary 3-PBA levels with inattentive and hyperactive-impulsive symptom counts
| Inattentive Symptom Count | Hyperactive-Impulsive Symptom Count | |
|---|---|---|
| ACR (95 % CI) | ACR (95 % CI) | |
| Urinary 3-PBA Level ≥ LOD | ||
| Overall | 1.26 (0.75, 2.12) | 1.77 (0.95, 3.30) |
| Boys | 1.61 (0.92, 2.80) | 2.49 (1.17, 5.27) |
| Girls | 0.89 (0.44, 1.81) | 1.01 (0.51, 2.00) |
| Log10-transformed Urinary 3-PBA | ||
| Overall | 1.21 (0.83, 1.78) | 1.50 (1.03, 2.19) |
| Boys | 1.49 (1.05, 2.12) | 1.57 (1.05, 2.34) |
| Girls | 1.00 (0.58, 1.71) | 1.51 (0.88, 2.60) |
Abbreviations: 3-PBA, 3-phenoxybenzoic acid; ACR, Adjusted Count Ratios; LOD, limit of detection
aAdjusted for child’s age, race/ethnicity, income, health insurance status, prenatal tobacco exposure, blood lead level (log10-transformed), urinary organophosphate metabolite level (log10-transformed), and urinary creatinine level. Overall models also adjust for sex