TABLE 4—

Mode of Data Collection Components: United States, National Health and Nutrition Examination Surveys, 2019–2020 and 2021–2022

Order	Component	2019–2020	2021–2022
1	Household Screener and Relationship Questionnaire	In-person	Multimode
2	Sample Person and Family Questionnaires	In-person	Telephone
3	Mobile Examination Center (MEC) Exam: Interview portion	In-person, some ACASI	Primarily ACASI
4	Day 1 Dietary Interview	In-person (at MEC)	Telephone (post MEC)
5	Day 2 Dietary Interview	Telephone (post MEC)	Telephone (post MEC)
6	Food Consumer Behavior Survey	Telephone (post MEC)	Telephone (post MEC)

ACASI = audio-computer-assisted self-interview.