Table 2 Results of exploratory factor analysis of the subjects

If I want to know about the calories in a food package, I read its food label.

0.805

0.849

If I want to know about the health mark of a food package, I read its food label.

0.802

0.906

If I want to know about the validity of a food package company, I read its food label.

0.797

0.891

If I want to know about the food contents of the food package, I read its food label.

0.783

0.894

If I want to know about the amount of sugar, fat and salt in the food package, I read the label on it.

0.781

0.890

If I want to know about the expiration date of the food package, I will read the label on it.

0.581

0.658

What does the food pyramid represent?

0.737

0.494

What are the main food groups?

0.689

0.546

Which option is right for a healthy eating pattern in diabetics?

0.687

0.586

What does it mean to observe the principle of diversity in the food pyramid?

0.513

0.602

What does it mean to observe the principle of balance in the food pyramid?

0.496

0.501

What is the best choice of bread and cereals for diabetic patients?

0.468

0.482

What is the recommended daily allowance in the food pyramid for the vegetable group?

0.799

0.465

What is the recommended daily allowance in the food pyramid for the bread and cereal group?

0.780

0.702

What is the recommended daily allowance in the food pyramid for the fruit group?

0.771

0.406

What is the recommended daily allowance in the food pyramid for milk and milk products?

0.742

0.433

What is the recommended daily allowance in the food pyramid for the meat group and its substitutes?

0.722

0.429

Due to the high calorie content and lack of nutrients, which of the following options is not considered a food group?

0.582

0.302

What is the recommended daily intake of salt?

0.411

0.721

It is recommended to drink a few glasses of water a day:

0.392

0.419

Which balanced option is recommended as a snack in diabetics:

0.655

0.342

What are the best drinks for diabetics?

0.654

0.382

What is the advantage of using complex carbohydrates (such as whole grain breads and biscuits) over simple carbohydrates (such as sugar and sweets)?

0.649

0.352

What is the best healthy eating pattern for people with diabetes?

0.602

0.542

What is the most important principle of nutrition in diabetic patients?

0.502

0.652

What is the reason for the importance of consuming vegetables (tomatoes, lettuce, leeks, radishes) and legumes (peas, beans and lentils) in a healthy eating pattern in diabetic patients?

0.412

0.362

In the diabetic patient, which food group has consumption restrictions?

0.413

0.801

Why are ready-to-eat foods (such as pizza) and canned foods restricted in people with diabetes?

0.343

0.609

Which of the following diseases is associated with unhealthy nutrition?

0.334

0.521

In order to reduce calorie intake, which seasoning do you use to make salads and vegetables delicious?

0.845

0.601

In people with diabetes, what is tea best with?

0.779

0.770

How do you prepare meat and chicken?

0.461

0.641

How do you cook food to reduce the consumption of harmful fats?

0.341

0.640

Eigenvalue

2.916

2.650

1.912

1.587

1.280

Variance%

8.836

8.030

5.795

4.810

3.878

Variance Cumulative %

30.232

38.262

44.057

48.867

52.745

Factor Loading Range

0.581–0.805

0.468–0.737

0.392–0.799

0.334–0.655

4.810–0.845

Correlation between factor score and scale score

  Cronbach’s Alpha

0.951

0.785

0.741

0.640

0.610

  Kaiser-Mayer-Olkin Measure of Sampling Adequacy

0.836

  Bartlet’s Test of Sphericity (Approx. Chi-Square)

4212.142

  P Value

< 0.001