Table 3.

Multiple linier regression model for the effect of quartiles of heavy metals on AMH (ng/ml)

Heavy metals	Response	AMH in 2nd follow-up visit				AMH in 5th follow-up visit
	quartiles*	Model 1		Model 2		Model 1		Model 2
		β	95% CI	β	95% CI	β	95% CI	β	95% CI
Cu	1	-	-	-	-	-	-	-	-
	2	0.25	−0.02-0.48	0.29	−0.01-0.56	−0.17	−0.42-0.08	−0.07	−0.38–0.22
	3	0.12	−0.10-0.35	0.14	−0.13-0.41	−0.30	−0.56 - −0.05	−0.34	−0.65 - −0.03
	4	0.12	−0.10-0.34	0.11	−0.15-0.39	−0.35	−0.60 - −0.10	−0.43	−0.73 - −0.13
Al	1	-	-	-	-	-	-	-	-
	2	0.04	−0.18-0.27	0.08	−0.18-0.35	0.15	−0.10-0.40	0.20	−0.10-0.52
	3	−0.07	−0.30-0.15	−0.03	−0.31-0.24	0.20	−0.05-0.45	0.21	−0.09-0.52
	4	−0.03	−0.27-0.19	−0.01	−0.27-0.26	0.25	−0.01-0.50	0.26	−0.03-0.57
Pb	1	-	-	-	-	-	-	-	-
	2	−0.04	−0.27-0.17	−0.05	−0.31-0.20	−0.10	−0.36-0.14	−0.17	−0.48-0.13
	3	−0.09	−0.32-0.14	−0.11	−0.39-0.15	−0.09	−0.35-0.16	−0.17	−0.49-0.13
	4	−0.02	−0.25-0.20	−0.02	−0.29-0.25	−0.10	−0.36-0.15	−0.14	−0.47-0.17
Cr	1	-	-	-	-	-	-	-	-
	2	0.15	−0.07-0.38	0.15	−0.11-0.42	0.01	−0.25-0.25	−0.06	−0.36-0.23
	3	0.06	−0.15-0.28	0.13	−0.12-0.39	−0.10	−0.35-0.15	−0.08	−0.40-0.23
	4	0.13	−0.09-0.36	0.18	−0.09-0.45	−0.14	−0.39-0.10	−0.22	−0.53-0.08

Model 1: adjusted for enter age

Model 2: adjusted for enter age, smoking status, BMI, physical activity, menarche age, educational level, marital status and parity

*First level of quartiles are given as reference level