Bivariate Associations (Regression Coefficients) Between Bone Measures and Fluoride Intake Variables, Adjusted for Age, Height, Weight, and Tanner Stage

Daily Fluoride Intake	N	Hip BMC (g)		Spine BMC (g)		Whole Body BMC-Without Head (g)		Hip BMD (g/cm2)		Spine BMD (g/cm2)
AUC		β	p-value	β	p-value	β	p-value	β	p-value	β	p-value
Girls
mg F/kg bw 0–11	171	−31.35	0.04	7.80	0.81	−1146.26	0.08	−0.65	0.16	−0.34	0.51
mg F/kg bw 0–8.5	179	−27.21	0.04	3.65	0.89	−886.26	0.10	−0.52	0.19	−0.28	0.51
mg F/kg bw 0–3	199	−5.92	0.53	20.21	0.28	−64.47	0.87	−0.27	0.34	0.14	0.65
mg F/kg bw 3–6	196	−21.46	0.02	−10.98	0.55	−661.74	0.09	−0.29	0.30	−0.32	0.29
mg F/kg bw 6–8.5	212	−21.31	0.11	4.30	0.88	−597.05	0.29	−0.19	0.64	−0.08	0.86
mg F/kg bw 8.5–11	208	−17.41	0.35	26.91	0.49	−1119.89	0.17	−0.38	0.52	0.13	0.84
Boys
mg F/kg bw 0–11	150	29.85	0.08	32.09	0.14	1070.75	0.09	0.82	0.07	0.61	0.15
mg F/kg bw 0–8.5	153	24.83	0.08	29.56	0.11	1022.89	0.05	0.68	0.08	0.52	0.14
mg F/kg bw 0–3	166	21.19	0.04	21.36	0.11	934.99	0.02	0.43	0.13	0.33	0.20
mg F/kg bw 3–6	172	14.00	0.17	19.55	0.13	570.96	0.14	0.52	0.06	0.39	0.12
mg F/kg bw 6–8.5	191	9.04	0.49	11.48	0.48	146.30	0.77	0.22	0.55	0.38	0.24
mg F/kg bw 8.5–11	199	6.96	0.70	−0.99	0.97	195.07	0.78	0.23	0.65	0.34	0.45