Table 3.

Predicted Differences^a in Body Mass Index, Waist Circumference, and Percent Body Fat From Age 7 Years to Age 15 Years According to Tertile (Low, Medium, or High^b) of 2,5-Dichlorophenol Concentration Among Girls (n = 1,017) in the Breast Cancer and Environment Research Program, 2004–2015

Age (years) and Tertile Comparison	Predicted Difference
	Body Mass Indexc		Waist Circumference, cm		% Body Fat
	Difference	95% CI	Difference	95% CI	Difference	95% CI
7
Medium vs. low	0.13	−0.43, 0.62	0.58	−1.02, 2.18	1.22	−0.36, 2.54
High vs. low	−0.08	−0.66, 0.51	1.09	−0.64, 2.81	1.35	−0.28, 2.97
High vs. medium	−0.21	−0.74, 0.32	0.51	−1.07, 2.10	0.13	−1.33, 1.59
8
Medium vs. low	0.39	−0.15, 0.94	1.31	−0.13, 2.76	1.66	0.25, 3.08
High vs. low	0.41	−0.18, 1.01	2.15	0.57, 3.73	2.20	0.66, 3.74
High vs. medium	0.02	−0.51, 0.55	0.84	−0.59, 2.27	0.54	−0.85, 1.92
9
Medium vs. low	0.62	0.05, 1.19	1.91	0.45, 3.38	2.00	0.63, 3.37
High vs. low	0.82	0.20, 1.44	3.07	1.47, 4.68	2.83	1.33, 4.32
High vs. medium	0.20	−0.35, 0.76	1.16	−0.28, 2.61	0.83	−0.51, 2.17
10
Medium vs. low	0.79	0.18, 1.40	2.38	0.81, 3.95	2.24	0.88, 3.59
High vs. low	1.14	0.47, 1.80	3.85	2.14, 5.56	3.24	1.76, 4.71
High vs. medium	0.34	−0.25, 0.94	1.48	−0.06, 3.02	1.00	−0.32, 2.32
11
Medium vs. low	0.93	0.27, 1.58	2.70	1.01, 4.40	2.37	1.02, 3.71
High vs. low	1.37	0.65, 2.08	4.50	2.65, 6.34	3.42	1.96, 4.89
High vs. medium	0.44	−0.20, 1.08	1.79	0.13, 3.45	1.06	−0.26, 2.37
12
Medium vs. low	1.02	0.31, 1.72	2.90	1.09, 4.71	2.39	1.04, 3.74
High vs. low	1.51	0.74, 2.28	5.00	3.02, 6.97	3.39	1.92, 4.86
High vs. medium	0.50	−0.19, 1.19	2.10	0.32, 3.88	1.00	−0.32, 2.31
13
Medium vs. low	1.06	0.30, 1.82	2.96	1.03, 4.89	2.31	0.95, 3.68
High vs. low	1.57	0.74, 2.40	5.36	3.25, 7.47	3.13	1.64, 4.62
High vs. medium	0.51	−0.23, 1.25	2.40	0.51, 4.30	0.82	−0.52, 2.15
14
Medium vs. low	1.07	0.24, 1.89	2.88	0.80, 4.96	2.13	0.73, 3.53
High vs. low	1.55	0.65, 2.44	5.58	3.30, 7.86	2.65	1.12, 4.18
High vs. medium	0.48	−0.32, 1.28	2.70	0.66, 4.74	0.52	−0.85, 1.89
15
Medium vs. low	1.02	0.13, 1.91	2.67	0.37, 4.97	1.84	0.38, 3.31
High vs. low	1.43	0.46, 2.40	5.67	3.16, 8.17	1.95	0.35, 3.55
High vs. medium	0.41	−0.46, 1.28	2.99	0.75, 5.24	0.11	−1.32, 1.54

Abbreviation: CI, confidence interval.

^a Models included 2,5-dichlorophenol concentration tertiles, age, age squared, a term for interaction between age and 2,5-dichlorophenol tertiles, a term for interaction between age squared and 2,5-dichlorophenol tertiles, and a term for interaction between race/ethnicity and age.

^b Tertile cutpoints (median) for 2,5-dichlorophenol concentration: low, 2.3 μg/g creatinine; medium, 12 μg/g creatinine; high, 103 μg/g creatinine.

^c Weight (kg)/height (m)².