Matters needing attention in inquiry dietary survey

Matters needing attention in dietary survey by inquiry method are as follows: Investigators usually start by asking the respondents about the first food they ate or drank the day before, and move forward in time.

1. The tools used to estimate the amount of food should be representative of the commonly used measurement tools in the surveyed community.

2. Because the survey mainly relies on the interviewees' ability to recall and describe their meals, it is not suitable for children under 7 years old and elderly people over 75 years old.

3. The traditional 24-hour retrospective method includes the statistics of condiment intake.

4.3-day 24-hour retrospective survey time is in principle 3 days from Monday to Sunday, but in real life, meals on working days and rest days are often very different. Therefore, in order to make the survey results better reflect the general diet of the respondents, a three-day retrospective survey usually chooses two working days and one rest day.

5, 24 retrospective method is mostly used to investigate the food consumption of individuals in the family, which requires investigators to master certain investigation skills and sincere attitude in order to obtain accurate food consumption data.