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Table 3 Subgroup analyses of the associations between dietary fatty acids and AAC

From: Associations between dietary fatty acids intake and abdominal aortic calcification: a national population-based study

Fatty acids

Sex [β/OR (95% CI)]

Age [β/OR (95% CI)]

(g/d)

Men

Women

P for interaction

< 60 years

60–80 years

P for interaction

AAC score

Total SFAs

0.01 (0.01, 0.03)*

0.01 (0.00, 0.02)*

0.561

0.01 (0.01, 0.03)*

0.02 (-0.01, 0.04)

0.385

Total MUFAs

0.01 (0.00, 0.03)

0.01 (0.01, 0.02)*

0.682

0.01 (0.01, 0.03)*

0.01 (0.01, 0.02)*

0.699

Total PUFAs

0.01 (-0.00, 0.03)

0.02 (0.01, 0.03)*

0.209

0.01 (-0.00, 0.02)

0.02 (0.01, 0.04)*

0.310

Omega-3 FA

-0.06 (-0.09, -0.03)*

-0.04 (-0.07, -0.01)*

0.098

-0.05 (-0.09, -0.01)*

-0.07 (-0.11, -0.03)*

0.055

Omega-6 FA

-0.08 (-0.12, -0.04)*

-0.09 (-0.16, -0.02)*

0.236

-0.07 (-0.11, -0.04)*

-0.10 (-0.16, -0.03)*

0.046*

Severe AAC

Total SFAs

1.01 (1.00, 1.02)*

1.01 (1.00, 1.03)*

0.188

1.02 (1.01, 1.03)*

1.01 (1.00, 1.03)*

0.342

Total MUFAs

1.01 (1.00, 1.03)*

1.01 (1.00, 1.03)*

0.872

1.01 (1.00, 1.03)*

1.02 (1.00, 1.04)*

0.481

Total PUFAs

1.02 (1.00, 1.04)*

1.02 (1.01, 1.03)*

0.653

1.03 (1.01, 1.04)*

1.02 (1.01, 1.03)*

0.098

Omega-3 FA

0.99 (0.97, 1.00)

0.98 (0.97, 0.99)*

0.212

0.99 (0.98, 1.00)*

0.95 (0.92, 0.98)*

0.003*

Omega-6 FA

0.95 (0.92, 0.99)*

0.97 (0.94, 0.99)*

0.070

0.96 (0.93, 0.99)*

0.92 (0.87, 0.98)*

< 0.001*

  1. Models were adjusted for sex, age, race, education, energy, diabetes, hypertension, hypertension medication, BMI, HDL-C, family PIR, and total cholesterol. Continuous, Ln-transformed concentration of fatty acids; Q, quartile; 95% CI, 95% confidence interval; PIR, the ratio of income to poverty, BMI, body mass index; HDL-C, high-density lipoprotein; AAC, abdominal aortic calcification; SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid. * indicates p < 0.05, indicating statistical significance