Questionnaire Catalogue Statistics

Statistics are on data deemed to be accurate at the time of collection from studies

Respondent (N=49)

Questionnaire respondent Number of studies
Participant 45
Proxy 3
Other 2
Categories are not mutually exclusive.
One study may have more than one questionnaire or more than one type of respondent.

Questionnaire administration environment (N=49)

Administration environment Number of studies
Over the phone 6
Hospital, clinic, university or recruitment center 25
Respondent / Proxy residence 23
Other 11
Categories are not mutually exclusive.
One study may have more than one questionnaire or more than one administration environment.

Questionnaire administration mode (N=49)

Administration mode Number of studies
Auto administered 28
Auto administrated with face to face validation by trained personnel 5
Administrated by trained personel / Physician 17
Other 9
Categories are not mutually exclusive.
One study may have more than one questionnaire or more than one administration mode.

Administration Format (N=49)

Administration format Number of studies
Paper questionnaire only 35
Computerized only 23
Other 3
Categories are not mutually exclusive.
One study may have more than one questionnaire or more than one administration format.
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