Table 2 Results of EFA using rotated component matrix

Domains

Item

Adherence efficacy

1—I follow-up of my diet (weight loss or weight gain up).

3—I can follow my age-related diet when I’m in a hurry or busy.

11—I prepare appropriate foods for my diet when I eat alone.

12—I refuse to eat foods that interaction with my drugs.

17—I drink enough amount of water daily according to my physical condition.

18—I eat/prepare foods that are rich in calcium and vitamin D according to my physical conditions and needs.

20—I adjust my diet according to my digestive problems (e.g., heartburn,dyspepsia, diarrhea, bloating, and anorexia)

21—I adjust my diet according to my dental and oral problems (e.g., dry mouth, taste and/or olfaction system defects, and toothless and tooth defects)

22- I can prepare different foods as well as following my own diet.

26- I can avoid nutrients that increase my blood pressure.

4- I adhere to my age-appropriate diet, when I eat at a restaurant.

5- I follow my age-related diet when I’m eating at parties.

9- I keep my weight steady whenever I got to my ideal body weight.

25- I adhere to dietitians’ advice about healthy diet.

Preventive behaviors

2—I adjust the fat in my diet.

7—I ignore eating unhealthy or junk foods (e.g., fast foods, potato chips, and puff )

8—I can vegetables and foods rich in fibers according to my physical conditions.

14—I can adjust the amount of sugar and sweets in my diet based on my physical conditions.

15—I say no to the unhealthy food my family has prepared for me.

16—I adjust the amount of salt in my meals.

19—I schedule my meals in a way that none of them would be eliminated.

23—I have enough motivation to buy and prepare healthy foods, even when I’m alone.

27—I buy and eat dairy products (e.g., milk, yogurt, and cheese) based on the level of fat they contain.

28—I pay attention to the nutritional values (e.g. fat, Calories and minerals) when I want to buy foodstuff.

Information effectiveness

6—I know what nutrients a healthy diet is made up of.

10—I know how to cook foods so their nutritional value would not decrease.

13—I can recognize healthy foods when buying them.

24—I receive healthy nutrition information from the dietitian.

29—I check the accuracy of the nutritional facts presented by friends, family members or media with the nutrition experts.