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Table 1 Data analysis for relationship between nutrients and biochemistry results

From: Validation of a Thai semiquantitative food frequency questionnaire (semi-FFQ) for people at risk of metabolic syndrome

Nutrients from semi-FFQ

Biochemistry results

Data analysis

Sodium

24-h urine sodium

Normal distribution: Pearson’s correlation

Systolic blood pressure; SBP

Diastolic blood pressure; DBP

Sugar

Fasting blood glucose; FBG

Non-normal distribution: Spearman’s rank correlation

Glycated hemoglobin; HbA1c

Fat

Triglyceride level; TG

High-density lipoproteins; HDL-C