Table 2.

Association between thyroid function and TyG index.

Model#	Variable	Total (n = 5727)				Male (n = 2882)				Female (n = 2845)
		Beta	95% CI		P value	Beta	95% CI		P value	Beta	95% CI		P value
1	LnTSH	0.018	0.005	0.030	0.005*	0.002	− 0.016	0.020	0.831	0.041	0.025	0.056	< 0.0001*
2	LnTSH	0.025	0.014	0.036	< 0.0001*	0.016	0.008	0.000	0.032*	0.035	0.021	0.048	< 0.0001*
3	LnTSH	0.025	0.014	0.035	< 0.0001*	0.016	0.000	0.032	0.049*	0.034	0.021	0.047	< 0.0001*
1	Ln(free T4)	− 0.131	− 0.190	− 0.073	< 0.0001*	− 0.295	− 0.386	− 0.205	< 0.0001*	− 0.248	− 0.327	− 0.168	< 0.0001*
2	Ln(free T4)	− 0.110	− 0.166	− 0.054	< 0.0001*	− 0.086	− 0.176	0.003	0.059	− 0.135	− 0.207	− 0.062	< 0.0001*
3	Ln(free T4)	− 0.113	− 0.168	− 0.058	< 0.0001*	− 0.102	− 0.191	− 0.014	0.024*	− 0.129	− 0.200	− 0.059	< 0.0001*

^#Model 1: linear regression analysis, 2: multiple regression analysis after adjustment for age, sex, systolic blood pressure, BMI, alcohol consumption, 3: multiple regression analysis after adjustment for age, sex, systolic blood pressure, waist circumference, alcohol consumption *P-values < 0.05 were considered as statistically significant.