Table 4 Odds ratio and 95% confidence interval of premature coronary artery disease severity according to quartile of PDQS and Med-Diet.

From: Mediterranean diet and prime diet quality score are associated with reduced risk of premature coronary artery disease in Iran: a multi-centric case-control study

Model

PDQS

Med-diet

Q1 (n = 888)

Q2 (n = 654

Q3 (n = 966)

Q4 (n = 779)

P for trend

Q1 (n = 1078)

Q2 (n = 549)

Q3 (n = 588)

Q4 (n = 1072)

P for trend

Crude model

1 (Ref.)

0.50 (0.41–0.61)

0.29 (0.24–0.34)

0.22 (0.19–0.27)

< 0.001

1 (Ref.)

0.19 (0.15–0.23)

0.09 (0.07–0.11)

0.05 (0.04–0.06)

< 0.001

Model 1

1 (Ref.)

0.49 (0.39–0.61)

0.27 (0.22–0.33)

0.21 (0.17–0.26)

< 0.001

1 (Ref.)

0.21 (0.17–0.27)

0.09 (0.07–0.12)

0.04 (0.03–0.05)

< 0.001

  1. PDQS prime diet quality score, Med-Diet Mediterranean diet, P P-value.
  2. 1Derived from ordinal logistic regression.
  3. Model 1: Adjusted for age, sex, energy (Kcal/ day), ethnicity, education, smoking, marital status, alcohol, physical activity (METS. minute per week), body mass index (kg/m2), high-density lipoprotein cholesterol (mg/dL), low-density lipoprotein cholesterol (mg/dL), total cholesterol (mg/dL), Triglyceride (mg/dL), Fasting blood glucose (mg/dL), and aspirin use (yes/no).
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