Table 2.

Multiple linear regression analysis on the association between serum Klotho and DSST.

	serum Klotho (pg/mL)			P-trend
Characteristic	Tertile 1 ≤ 704.2	Tertile 2704.2−913.3	Tertile 3 > 913.3
Model 1	1.00	3.79 (1.68, 5.90) ***	3.16 (0.62, 5.71) *	0.013
Model 2	1.00	2.98 (1.24, 4.72) **	3.02 (0.79, 5.26) *	0.009
Model 3	1.00	2.16 (0.30, 4.01) *	2.48 (0.38, 4.57) *	0.022

*P < 0.05, **P < 0.01, ***P < 0.001.

Model 1: unadjusted model.

Model 2: adjusted for age, sex, and race.

Model 3: further adjusted for BMI, alcohol status, smoking status, educational level, family income to poverty ratio, and physical activity.