Table 1 General characteristics of participants in each stage of the study

 male

27

26

17

 female

23

20

12

 30–39

13

12

8

 40–49

17

17

11

 50–59

18

15

9

 ≥60

2

2

1

 Bachelor

5

5

2

 Master

10

10

6

 Doctor of Medicine

9

7

4

 Doctor of Philosophy

26

24

17

 5–10

11

10

5

 11–15

9

8

7

 16–20

11

11

6

 21–25

13

12

8

 ≥26

6

5

3

 Professor of the University of Medical Sciences

10

10

8

 Office of Community Nutrition Improvement

8

7

4

 Food and Drug Organization

4

4

3

 Professor of the Faculty of Agriculture

1

1

0

 Managing Director of Food Production Factory

2

2

1

 Islamic Republic of Iran Broadcasting

1

1

0

 Department of Population and Family Health of Provincial Health Center

3

2

1

 Department of Non-Communicable Diseases of the Provincial Health Center

6

5

4

 School Health Department of the Provincial Health Center

2

2

1

 Department of Health Education of the Provincial Health Center

1

1

0

 Cardiologist

2

2

1

 Provincial Office of Education

2

2

0

 The Research Department of Food and Nutrition Policy and Planning, National Nutrition and Food Technology Research Institute

3

3

2

 The Research Department of Food Science and Technology, National Nutrition and Food Technology Research Institute

4

3

2

 Health Services Management Research Center

1

1

2

 Food science and technology

5

5

4

 Nutrition sciences

10

9

6

 Nutrition and food policy

4

4

2

 Nutritional epidemiology

0

0

1

 Health policy

5

4

2

 Health care service management

2

2

2

 Health economic

2

2

2

 Public health

3

3

1

 Health education and promotion

3

3

1

 Public health in nutrition

5

5

3

 Family health

2

2

1

 Cardiology

2

2

1

 Medicine

5

4

2

 Pharmacology

2

1

1