期刊
INTERNATIONAL JOURNAL OF PUBLIC HEALTH
卷 56, 期 4, 页码 407-417出版社
SPRINGER BASEL AG
DOI: 10.1007/s00038-011-0257-5
关键词
Internet; Socio-economical status; Epidemiology; Web-based questionnaire
资金
- French Ministry of Health (DGS)
- Institut de Veille Sanitaire (InVS)
- Institut National de Prevention et d'Education pour la Sante (INPES)
- Fondation pour la Recherche Medicale (FRM)
- Institut National de la Sante et de la Recherche Medicale (Inserm)
- Institut de Recherche en Sante Publique (IRESP)
- Institut National de la Rechereche Agronomique (Inra)
- Conservatoire National des Arts et Metiers (CNAM)
- Paris 13 University
Web-based studies nowadays raise a major interest as they can improve all steps involved in observational studies. Our objective was to compare the web-based version of the NutriNet-Sant, self-administered socio-demographic and economic questionnaire with the traditional paper version. Both versions of the questionnaire were sent to 170 volunteers and filled in by 147 of them (either paper first, n = 76, or web-based first, n = 71). Agreement between versions was assessed by intraclass correlations (ICC) and kappas. Agreement between both versions was high, with ICC and kappas ranging between 0.81-1.00 and 0.76-1.00, respectively, similarly across groups of administration order, age, gender and self-estimated web knowledge in general. The web-based version was the one preferred by 93.7% of the subjects and enabled to avoid 553 missing values (2.00% of the total entries), 24 inconsistent data (0.09%), 8 aberrant data (0.03%), 472 data entry errors (0.85%) and to save 2,800 a,not sign (US $4,072) when sent to 170 subjects. The web-based socio-demographic and economic questionnaire provided information of similar-to-superior quality compared to the traditional paper version, with substantial logistic and cost advantages.
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