Table 1.

Dietary knowledge questions in the CHNS questionnaire

No	Questions	Code
Q1	Choosing a diet with a lot of fresh fruits and vegetables is good for one’s health	LOF
Q2	Eating a lot of sugar is good for one’s health	LOS
Q3	Eating a variety of foods is good for one’s health	VOF
Q4	Choosing a diet high in fat is good for one’s health	DHIF
Q5	Choosing a diet with a lot of staple foods [rice and rice products and wheat and wheat products] is not good for one’s health	LOSF
Q6	Consuming a lot of animal products daily (fish, poultry, eggs and lean meat) is good for one’s health	LOAP
Q7	Reducing the amount of fatty meat and animal fat in the diet is good for one’s health	AAM
Q8	Consuming milk and dairy products is good for one’s health	MDP
Q9	Consuming beans and bean products is good for one’s health	BBP
Q10	Physical activities are good for one’s health	PA
Q11	Sweaty sports or other intense physical activities are not good for one’s health	IPA
Q12	The heavier one’s body is, the healthier he or she is	HB
Q13	Eating salty foods can cause hypertension	ESF
Q14	Refined grains (rice and wheat flour) contain more vitamins and materials than unrefined grains	RG
Q15	Lard is healthier than vegetable oils	LA
Q16	Vegetables contain more starch than staple foods (rice or wheat flour)	VE
Q17	Eggs and milk are the important sources of high-quality protein	EAM