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Table 3 Component loadings for derived dietary patterns by PCA

From: Urinary sodium-to-potassium ratio: a simple and useful indicator of diet quality in population-based studies

Foods groups

Dietary patterns

1 (traditional)

2 (Western)

Starched vegetables

0.488

 

Non-starched vegetables

0.490

 

Salty snacks

0.334

 

Sweetened beverages

0.332

0.484

Fruits

0.443

 

Nuts and seeds

0.390

 

Poultry

0.302

 

High-fat dairy

0.321

0.344

Sweet snacks

0.331

 

Red meat

0.405

 

Beans

0.445

 

Refined grains

 

0.437

Fast foods

 

0.415

Hydrogenated and animal fat

 

0.341

Total variance

11.75

9.60

  1. Factors loading < 0.3 are not presented for simplicity. Principal component analysis (PCA) was used to obtain main dietary patterns. The derived dietary patterns explained 21.3% of the total variance in food intake overall (variances of 11.7 and 9.6%, respectively)