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Table 3 Factor loading matrix of CVD-KAP29

From: Development and validation of a knowledge, attitude, and practice questionnaire regarding cardiovascular diseases in an Iranian general population

Items

Factor loading

Knowledge

Attitude

Physical activity behaviors

Nutrition & smoking behaviors

1: Cardiovascular diseases are the leading cause of death in Iran.

.440

.187

−.026

.177

2: Physical activity can prevent cardiovascular disease.

.636

.137

−.006

.045

3: Daily eating of fruits and vegetables has a beneficial effect on cardiovascular health.

.674

−.042

.073

−.081

4: The history of cardiovascular disease in the family (father, mother, sister, or brother) can increase the risk of cardiovascular disease.

.575

.115

.014

.039

5: There is a higher risk of cardiovascular disease in people who are overweight or obese.

.586

.023

.009

−.183

6: Using tobacco (cigarettes, hookah, pipe, etc.) can increase the risk of cardiovascular disease.

.738

.057

−.068

−.092

7: Consumption of salty and canned foods increases the risk of rising blood pressure.

.710

.137

−.017

−.014

8: Controlling blood glucose and the prevention of diabetes can reduce the risk of cardiovascular complications.

.644

.212

.069

.029

9: Controlling high blood pressure is vital to prevent myocardial infarction.

.746

.144

−.159

−.047

10: Feeling of pain, pressure, or burning in the chest can be a symptom of a heart attack.

.676

.005

−.069

.094

11: Feeling of pain or sudden discomfort in the jaw, neck, between the two scapulas, shoulders, or arms and stomach area can be a symptom of a heart attack.

.595

.135

.044

.235

12: Sudden numbness or weakness in the face, arms, or legs muscles can be signs of a stroke.

.594

.198

.105

.168

13: I believe that I should have physical activity to have a healthy life.

.068

.816

.077

.037

14: I believe that I should try to walk to go to nearer destinations instead of going by taxi or bus.

.048

.706

.042

.083

15: I believe that using any tobacco (cigarette, hookah, pipe, etc.) is harmful to health.

.044

.721

.076

.194

16: I believe that having an appropriate weight (not overweight or obesity) helps keep me healthy.

.216

.551

.022

.057

17: I believe that I must consume less fatty foods to maintain health.

.114

.820

.007

.013

18: I believe that daily consumption of 2 to 4 units of fruit and 3 to 5 units of raw or cooked vegetables is beneficial for my health.

.107

.820

−.049

−.006

19: I believe that uncontrolled blood glucose in diabetic patients can cause myocardial infarction.

.202

.685

−.031

.191

22: I believe that I should control my stress and mental pressure to prevent myocardial infarction.

.146

.796

−.024

.092

21: I believe that I should consume less salt to prevent high blood pressure.

.159

.799

−.145

.018

22: I believe that consuming fish meat at least two times a week is beneficial for cardiovascular health.

.120

.688

−.092

.042

23: Do you have intense physical activity such as running, carrying heavy loads, drilling, and ... at least 30 min a day during the week?

.009

−.013

.849

.000

24: Do you have moderate physical activity such as fast walking or carrying light loads at least 30 min a day during the week?

.046

.047

.859

.012

25: Do you have 2 to 4 units of fruit and 3 to 5 units of raw or cooked vegetables in your daily diet plan?

.040

.022

−.085

.727

26: What oil do you usually use more for cooking?

.062

−.047

.133

.647

27: What oil do you use more for frying foods?

−.043

.141

.030

.443

28: Do you add salt to your food at the table?

.079

.175

−.135

.530

29: Do you currently use any tobacco products (cigarette, hookah, pipe, etc.)?

−.015

.031

−.001

.403

30: Do you take your medications according to your doctor’s prescription if you have any chronic illness such as cardiovascular disease, diabetes, high blood pressure, or high blood lipids?

.086

.191

−.221

.193

% of explained variance

17.049

19.519

5.527

6.334

  1. Extraction Method: Principal Component Analysis.
  2. Rotation Method: Varimax.
  3. Kaiser-Meyer-Olkin Measure of Sampling Adequacy. 0.864
  4. Bartlett’s Test of Sphericity p < 0.0001 (Approx. Chi-Square: 3659.663, df:435)