Table 5. Adjusted linear regression analysis for HOMA parameters with serum zinc as continuous value in prediabetic participants (N = 35).

Exposure indicators	HOMA2 Parameters
	Beta Cell function			Insulin Sensitivity			Insulin Resistance
	Coefficient	95% CI†	P value	Coefficient	95% CI†	P value	Coefficient	95% CI†	P value
Serum Zinc	−0.01	−0.09 to 0.06	0.78	0.02	−0.07 to 0.12	0.66	0.000	−0.002 to 0.002	0.89
Age	−0.45	−1.75 to 0.85	0.48	0.39	−1.24 to 2.03	0.62	−0.12	−0.05 to 0.02	0.55
Gender	0.83	−30.11 to 31.77	0.96	−4.12	−43.15 to 34.79	0.82	0.000	−0.97 to 0.97	1.00
Education	0.009	−2.55 to 2.56	0.99	−0.02	−3.24 to 3.20	0.98	−0.001	−0.08 to 0.07	0.97
Smoking History	−8.56	−32.28 to 15.15	0.46	13.24	−16.62 to 43.11	0.37	−0.28	−1.02 to 0.46	0.45
BMI	3.64	0.68 to 6.61	0.018	−2.57	−6.30 to 1.16	0.17	0.11	0.01 to 0.20	0.02
Constant	22.20	−108.91 to 153.31	0.73	114.45	−50.67 to 279.58	0.17	−0.33	−4.47 to 3.80	0.87

^†CI: Confidence Interval.