Data Collection Procedures

Att 8 - Data Collection Proc.pdf

Changes to 2020 National Health Interview Survey in light of Novel Coronavirus (2019-nCoV)

Data Collection Procedures

OMB: 0920-0214

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Attachment 8 – Data Collection Procedures
Data collection procedures remain unchanged, both for the main 2018 questionnaire as well as the bridge
sample dress rehearsal. As in past years, under an interagency agreement, the U.S. Census Bureau is the data
collection agent for the NHIS. NHIS data are collected by Census interviewers, primarily through personal visits
to households and computer-assisted personal interviewing (CAPI). As in the past, personal household visits may
be supplemented with telephone data collection under certain circumstances: telephone interviews may be
attempted when efforts to make personal contact have not been successful, when the respondent requests a
telephone interview, when part of the interview needs to be completed and it is not possible to schedule
another personal visit, or when road conditions or travel distances would make it difficult to schedule a personal
visit.
The roughly 900 trained interviewers working on the NHIS are directed by survey supervisors in the six U.S.
Census Bureau Regional Offices. Interviewers (also referred to as Field Representatives or FRs) receive initial
and/or annual refresher training in common interviewing procedures, the concepts and procedures unique to
the NHIS, and survey content changes.
Interviewers use official Census Bureau-furnished laptop computers equipped with Blaise software that presents
the questionnaire on the computer screen. The Computer Assisted Personal Interviewing (CAPI) program guides
the interviewer through the questionnaire, automatically routing the interviewer to appropriate questions based
on answers to previous questions. Flashcards will no longer be used by interviewers to provide participants with
long lists of response choices. Telephone data collection (when it occurs) does not allow for flashcard use;
dropping them allows an interview that is consistent across modes. Many questions have been revised to have
shorter lists of response choices that can be read out loud in their entirety by an interviewer.
Once an interviewer enters survey responses into the computer, the CAPI program determines if the selected
response is within an allowable range, checks it for consistency against other data collected during the
interview, and saves the responses into a survey data file.


File Typeapplication/pdf
AuthorJoestl, Sarah S. (CDC/OPHSS/NCHS)
File Modified2017-11-01
File Created2017-06-15

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