Table 3.

OR (95% CI)^a from multinomial logistic regression models of association between urinary quartile^b PAHs and obesity and overweight versus normal/underweight.

Exposure	6–19 years		6–11 years		12–19 years
	Obese vs. normal	Overweight vs. normal	Obese vs. normal	Overweight vs. normal	Obese vs. normal	Overweight vs. normal
∑molPAHs Q1	1.00	1.00	1.00	1.00	1.00	1.00
∑molPAHs Q2	2.08 (1.21, 3.56)	1.12 (0.75, 1.67)	1.99 (0.83, 4.75)	1.45 (0.73, 2.89)	2.37 (1.18, 4.77)	0.95 (0.58, 1.56)
∑molPAHs Q3	1.74 (1.00, 3.05)	0.96 (0.61, 1.52)	1.78 (0.81, 3.90)	1.30 (0.60, 2.81)	1.76 (0.71, 4.35)	0.70 (0.37, 1.33)
∑molPAHs Q4	2.56 (1.40, 4.69)	0.87 (0.53, 1.41)	4.42 (1.57, 12.42)	1.12 (0.43, 2.92)	2.16 (0.94, 4.98)	0.67 (0.33, 1.35)
∑NAPHT Q1	1.00	1.00	1.00	1.00	1.00	1.00
∑NAPHT Q2	1.99 (1.12, 3.53)	1.47 (0.94, 2.31)	1.52 (0.61, 3.79)	1.96 (0.96, 4.00)	2.58 (1.24, 5.40)	1.24 (0.72, 2.14)
∑NAPHT Q3	1.70 (1.02, 2.81)	1.00 (0.66, 1.50)	1.77 (0.77, 4.06)	1.27 (0.55, 2.90)	1.83 (0.79, 4.23)	0.80 (0.48, 1.35)
∑NAPHT Q4	2.53 (1.40, 4.56)	0.89 (0.59, 1.39)	3.24 (1.27, 8.28)	0.78 (0.28, 2.12)	2.54 (1.14, 5.68)	0.88 (0.47, 1.67)
aAdjusted for age, race/ethnicity, gender, urinary creatinine, poverty income ratio (PIR), serum cotinine, serum c-reactive protein, calorie intake, and television, videogame and computer usage. bQuartiles (Q) ∑molPAHs (nmol/L): Q1: ≤ 19.90; Q2: 19.91–34.89; Q3: 34.90–64.48; Q4: > 64.48. Quartiles ∑NAPHT (ng/L): Q1: ≤ 2404.34; Q2: 2404.35–4259.03; Q3: 4259.04–8256.64; Q4: > 8256.64.