Table 3 The association between total cholesterol (mmol/L) and fasting blood glucose (mmol/L)

TC (mmol/L)

0.028 (-0.013, 0.068) 0.1813

-0.009 (-0.049, 0.031) 0.6513

-0.019 (-0.059, 0.022) 0.3635

TC quartile

Q1(1.78–4.15)

Reference

Reference

Reference

Q2(4.16–4.83)

-0.117 (-0.238, 0.003) 0.0569

-0.107 (-0.224, 0.010) 0.0725

-0.103 (-0.219, 0.014) 0.0839

Q3(4.84–5.52)

-0.192 (-0.312, -0.072) 0.0017

-0.256 (-0.373, -0.139) 0.0000

-0.247 (-0.364, -0.129) 0.0000

Q4(5.53–11.97)

0.030 (-0.090, 0.150) 0.6230

-0.066 (-0.184, 0.052) 0.2710

-0.077 (-0.195, 0.041) 0.1998

P for trend

0.0640

Subgroup analysis stratified by sex

Male

0.014 (-0.047, 0.076) 0.6438

0.017 (-0.043, 0.077) 0.5850

-0.025 (-0.085, 0.035) 0.4102

Female

0.067 (0.014, 0.120) 0.0128

-0.026 (-0.080, 0.028) 0.3402

-0.017 (-0.073, 0.039) 0.5544

Subgroup analysis stratified by race/ethnicity

Mexican American

0.237 (0.104, 0.371) 0.0005

0.145 (0.011, 0.278) 0.0338

0.106 (-0.022, 0.234) 0.1061

Other Hispanic

0.210 (0.068, 0.351) 0.0038

0.068 (-0.072, 0.207) 0.3438

-0.005 (-0.152, 0.143) 0.9488

Non-Hispanic White

-0.027 (-0.086, 0.032) 0.3687

-0.047 (-0.105, 0.011) 0.1089

-0.046 (-0.103, 0.011) 0.1172

Non-Hispanic Black

0.128 (0.015, 0.242) 0.0272

0.056 (-0.058, 0.170) 0.3360

0.067 (-0.054, 0.188) 0.2760

Other/multiracial

0.028 (-0.058, 0.115) 0.5209

0.007 (-0.076, 0.089) 0.8771

-0.052 (-0.139, 0.034) 0.2352

Subgroup analysis stratified by history of diabetes mellitus

No

-0.02 (-0.07, 0.03) 0.3758

-0.05 (-0.10, -0.00) 0.0380

-0.05 (-0.10, -0.00) 0.0440

Yes

0.24 (0.06, 0.42) 0.0089

0.21 (0.03, 0.40) 0.0198

0.28 (0.08, 0.47) 0.0069