Suppressing Effect of Free Triiodothyronine on the Negative Association between Body Mass Index and Serum Osteocalcin Levels in Euthyroid Population

Table 3

Ridge regression analysis on the influencing factors of serum osteocalcin levels.

Variables	Standardized β	T	value
Gender^a	0.173	8.546	<0.001
Age	0.063	3.152	0.002
BMI	−0.110	−5.436	<0.001
SBP	0.019	0.978	0.328
DBP	−0.019	−0.985	0.325
FPG	−0.034	−1.694	0.091
2hPG	−0.003	−0.129	0.897
HbA1c	−0.053	−2.627	0.009
TC	0.027	1.752	0.080
TG	−0.030	−1.489	0.137
HDL-c	0.057	2.930	0.003
LDL-c	−0.020	−1.220	0.223
FT3	0.046	2.777	0.006
FT4	−0.017	−1.069	0.285
FT3/FT4	0.046	3.410	0.001
TSH	−0.004	−0.185	0.853
Physical activity^b	−0.025	−1.268	0.205

Note. K value = 0.4, F = 9.002, . ^aMen were coded as “0,” and women were coded as “1.” ^bLight was coded as “1,” moderate was coded as “2,” and heavy was coded as “3.”