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Table 3 Adjusted associations between log-transformed metabolic risk factors, insulin resistance [HOMA-IR (units)] and serum lipids (TG, TC, HDL-C and LDL-C (mmol/l)), and hsCRP (μg/ml) in black and white South African women

From: The association between high-sensitivity C-reactive protein and metabolic risk factors in black and white South African women: a cross-sectional study

Variables

Model 1

Model 2

Model 3

ln(HOMA-IR)

β [95% CI]

β [95% CI]

β [95% CI]

hsCRP

0.09 [0.05; 0.13]**

0.10 [0.06; 0.14]**

0.03 [−0.01; 0.07]

Age

−0.01 [− 0.02; 0.00]

− 0.01 [− 0.02; 0.00]

− 0.02 [− 0.03; − 0.01]**

Race/ethnicity

0.26 [0.03; 0.48]*

0.00 [− 0.27; 0.27]

− 0.00 [− 0.23; 0.23]

hsCRPxrace/ethnicity

− 0.02 [− 0.07; 0.04]

−0.04 [− 0.09; 0.02]

−0.02 [− 0.07; 0.02]

Adjusted-R 2

0.11**

0.15**

0.38**

ln(TG)

β [95% CI]

β [95% CI]

β [95% CI]

hsCRP

0.07 [0.05; 0.10]**

0.06 [0.04; 0.09]**

0.04 [0.02; 0.07]**

Age

0.01 [0.00; 0.01]*

0.01 [0.00; 0.02]*

0.01 [−0.00; −0.00]

Race/ethnicity

−0.04 [− 0.18; 0.10]

−0.14 [− 0.30; 0.03]

−0.14 [− 0.30; 0.02]

hsCRPxrace/ethnicity

− 0.05 [− 0.09; − 0.02]*

−0.05 [− 0.08; − 0.01]*

−0.04 [− 0.08; − 0.01]*

Adjusted-R 2

0.18**

0.20**

0.26**

ln(TC)

β [95% CI]

β [95% CI]

β [95% CI]

hsCRP

0.02 [0.01; 0.03]*

0.02 [0.00; 0.03]*

0.01 [−0.00; 0.02]

Age

0.00 [0.00; 0.01]*

0.01 [0.00; 0.01]**

0.01 [0.00; 0.01]**

Race/ethnicity

−0.05 [− 0.11; 0.02]

−0.04 [− 0.12; 0.03]

−0.04 [− 0.12; 0.03]

hsCRPxrace/ethnicity

− 0.04 [− 0.06; − 0.03]**

−0.03 [− 0.05; − 0.02]**

−0.03 [− 0.05; − 0.01]**

Adjusted-R 2

0.26**

0.29**

0.30**

ln(HDL-C)

β [95% CI]

β [95% CI]

β [95% CI]

hsCRP

−0.01 [− 0.03; − 0.01]*

−0.02 [− 0.03; − 0.00]*

−0.00 [− 0.02; 0.01]

Age

− 0.00 [− 0.01; 0.00]

−0.00 [− 0.00; 0.00]

0.00 [− 0.00; 0.01]

Race/ethnicity

−0.16 [− 0.25; − 0.07]**

−0.01 [− 0.12; 0.09]

−0.03 [− 0.13; 0.08]

hsCRPxrace/ethnicity

− 0.03 [− 0.05; − 0.01]*

−0.02 [− 0.04; 0.01]

−0.02 [− 0.04; 0.00]

Adjusted-R 2

0.22**

0.34**

0.39**

ln(LDL-C)

β [95% CI]

β [95% CI]

β [95% CI]

hsCRP

0.03 [0.01; 0.05]*

0.02 [−0.00; 0.04]*

0.01 [−0.02; 0.03]

Age

0.01 [−0.00; 0.01]

0.01 [0.00; 0.12]*

0.01 [−0.00; 0.01]

Race/ethnicity

−0.02 [− 0.14; 0.09]

−0.14 [− 0.29; 0.01]

−0.13 [− 0.27; 0.02]

hsCRPxrace/ethnicity

− 0.04 [− 0.07; − 0.01]*

−0.03 [− 0.06; 0.00]

−0.03 [− 0.06; 0.00]

Adjusted-R 2

0.08**

0.15**

0.19**

  1. Data represents β-coefficients [95% confidence interval] and adjusted-R2. Model 1: hsCRP + age + race/ethnicity + (hsCRP x race/ethnicity interaction); Model 2: (Model 1) + SES + lifestyle factors; Model 3: (Model 2) + WC. hsCRP, C-reactive protein; interaction term, interaction between hsCRP and race/ethnicity; ln(HOMA-IR), ln(TG), natural log of triglycerides; natural log of homeostatic model assessment; ln(TC), natural log of total cholesterol; ln(HDL-C), natural log of high-density lipoprotein cholesterol; ln(LDL-C), natural log of low-density lipoprotein cholesterol. *p < 0.05 and **p < 0.001