The Effect of Iodine Status on the Risk of Thyroid Nodules: A Cross-Sectional Study in Zhejiang, China

Table 4

Effect of iodized salt intake on thyroid nodule.

Group	Iodized salt	Model 1^a		Model 2^b		Model 3^c		Model 4^d
		OR (95% CI)		OR (95% CI)		OR (95% CI)		OR (95% CI)
All	No	1.00		1.00		1.00		1.00
	Yes	0.25(0.19–0.31)	0.00	0.25(0.19–0.31)	0.00	0.29(0.22–0.37)	0.00	0.29(0.23–0.37)	0.00
Male	No	1.00		1.00		1.00		1.00
	Yes	0.23(0.16–0.32)	0.00	0.23(0.16–0.33)	0.00	0.27(0.19–0.38)	0.00	0.27(0.19–0.39)	0.00
Female	No	1.00		1.00		1.00		1.00
	Yes	0.26(0.19–0.36)	0.00	0.26(0.19–0.35)	0.00	0.30(0.22–0.42)	0.00	0.31(0.22–0.43)	0.00

^aAdjusted for gender, age (continuous variable), education, and profession.^bAdditionally adjusted for hypertension.^cAdditionally adjusted for BMI, waist circumference, FBG, OTGG-2h, HbA1c, TC, LDL-C, and UA.^dAdditionally adjusted for TSH and TGAb.