Table 2.

Changes in the weighted prevalence of thyroid disorders between 2009 and 2015 among adults in China. The odds ratio was adjusted for BMI, family history of thyroid disorders, education level, and smoking status.

Thyroid disorders	Prevalence (95% CI)		Adjusted OR (95% CI)	P-value
	2009–2010	2015–2017
n	14 925	12 553
Overt hyperthyroidism	0.7 (0.6–0.9)	0.5 (0.4–0.6)	0.66 (0.47–0.95)	0.02
Subclinical hyperthyroidism	0.5 (0.4–0.6)	0.3 (0.3–0.5)	0.65 (0.42–0.99)	0.04
Graves’ disease	0.5 (0.4–0.7)	0.3 (0.2–0.4)	0.57 (0.38–0.85)	0.006
Overt hypothyroidism	0.8 (0.7–1.0)	1.6 (0.5–5.0)	1.73 (0.58–5.13)	0.33
Subclinical hypothyroidism	14.9 (12.9–17.2)	15.6 (13.2–18.4)	0.93 (0.72–1.20)	0.57
Positive TPOAb	8.9 (8.2–9.7)	10.9 (8.3–14.3)	1.18 (0.88–1.59)	0.26
Positive TgAb	9.6 (8.7–10.6)	9.1 (7.5–11.1)	0.87 (0.70–1.09)	0.23
Goitre	1.6 (1.4–1.8)	0.6 (0.5–0.8)	0.32 (0.24–0.42)	<0.0001
Thyroid nodule	13.4 (12.4–14.5)	22.5 (20.7–24.3)	1.66 (1.46–1.88)	<0.0001