How reliable is internet-based self-reported identity, socio-demographic and obesity measures in European adults?

ABSTRACT:

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In e-health intervention studies, there are concerns about the reliability of internet-based, self-reported (SR) data and about the potential for identity fraud. This study introduced and tested a novel procedure for assessing the validity of internet-based, SR identity and validated anthropometric and demographic data via measurements performed face-to-face in a validation study (VS). Participants (n = 140) from seven European countries, participating in the Food4Me intervention study which aimed to test the efficacy of personalised nutrition approaches delivered via the internet, were invited to take part in the VS. Participants visited a research centre in each country within 2 weeks of providing SR data via the internet. Participants received detailed instructions on

SUBMITTER: Celis-Morales C 

PROVIDER: S-EPMC4491331 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature