- Bedoelde u
- self-administration question
Zoekresultaten - 4 results
Mixing mixed-mode designs in a national health interview survey: a pilot study to assess the impact on the self-administered questionnaire non-response.
Van Hal, Guido Source: BMC Med Res Methodol, Volume 19, Issue 1:212 (2019) Keywords: health interview survey Item non-response Mixed-mode Self-administered questionnaire Unit response Web Abstract: ...
Do current fortification and supplementation programs assure adequate intake of fat-soluble vitamins in Belgian infants, toddlers, pregnant women, and lactating women?
the neonate, and the young child. By means of an online self-administered frequency questionnaire, this study aimed to evaluate the intake of vitamins A, D, E, and K in Belgian infants (= 455), toddlers ...
Fat-soluble vitamin intake from the consumption of food, fortified food and supplements: design and methods of the Belgian VITADEK study.
and obstetric clinics. Participants were asked to complete a self-administered online food frequency questionnaire (FFQ) or to answer the questionnaire by phone if online participation was not possible. ...
Measurement equivalence of the Belgian health interview auto-questionnaire: paper-based versus web-based mode.
Surveys and Questionnaires Abstract: Before organizing mixed-mode data collection for the self-administered questionnaire of the Belgian Health Interview Survey, measurement effects between the ...