Table 1.

Study population with urine PAH measures at age 60 months, comparison of those with and without WCP-FISH

Blood sample analyzed with WCP-FISH (n = 113)Blood sample not analyzed with WCP-FISH (n = 108)
Variables% (n)% (n)
Ethnic groups
 Dominican58 (66)60 (65)
 African-American42 (47)40 (43)
Sex
 Female56 (63)54 (58)
 Male44 (50)46 (50)
Child around smokers during 48 hbefore urine collection25 (27)a11 (12)
Mother received medicaid during pregnancyb89 (100)91 (98)
Mother with less than HS diplomab38 (43)36 (38)
Geometric mean (min–max)Geometric mean (min–max)
SG adjusted 1-naphthol (ng/L)3,400 (78.0–161,000)2,489 (78–154,000)
SG adjusted 2-naphthol (ng/L)4,170 (147–132,000)3,930 (703–27,600)
SG adjusted 1-OH pyrene (ng/L)171 (15–2,580)151 (20.0–2,420)

Abbreviation: SG, specific gravity.

  • aProportion of children with smokers in the house between children analyzed by WCP-FISH and those without WCP-FISH differs by χ2, P = 0.02.

  • bData obtained during pregnancy.