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Table 2 Adjusted count ratiosa for association of urinary 3-PBA levels with inattentive and hyperactive-impulsive symptom counts

From: Association of pyrethroid pesticide exposure with attention-deficit/hyperactivity disorder in a nationally representative sample of U.S. children

  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)
  1. Abbreviations: 3-PBA, 3-phenoxybenzoic acid; ACR, Adjusted Count Ratios; LOD, limit of detection
  2. 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