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

Celis-Morales, Carlos, Livingstone, Katherine M., Woolhead, Clara, Forster, Hannah, O'Donovan, Clare B., Macready, Anna L., Fallaize, Rosalind, Marsaux, Cyril F. M., Tsirigoti, Lydia, Efstathopoulou, Eirini, Moschonis, George, Navas-Carretero, Santiago, San-Cristobal, Rodrigo, Kolossa, Silvia, Klein, Ulla L., Hallmann, Jacqueline, Godlewska, Magdelena, Surwiłło, Agnieszka, Drevon, Christian A., Bouwman, Jildau, Grimaldi, Keith, Parnell, Laurence D., Manios, Yannis, Traczyk, Iwona, Gibney, Eileen R., Brennan, Lorraine, Walsh, Marianne C., Lovegrove, Julie A., Martinez, J. Alfredo, Daniel, Hannelore, Saris, Wim H. M., Gibney, Mike and Mathers, John C. 2015, How reliable is internet-based self-reported identity, socio-demographic and obesity measures in European adults?, Genes & nutrition, vol. 10, no. 28, pp. 476-485, doi: 10.1007/s12263-015-0476-0.

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Title How reliable is internet-based self-reported identity, socio-demographic and obesity measures in European adults?
Author(s) Celis-Morales, Carlos
Livingstone, Katherine M.ORCID iD for Livingstone, Katherine M. orcid.org/0000-0002-9682-7541
Woolhead, Clara
Forster, Hannah
O'Donovan, Clare B.
Macready, Anna L.
Fallaize, Rosalind
Marsaux, Cyril F. M.
Tsirigoti, Lydia
Efstathopoulou, Eirini
Moschonis, George
Navas-Carretero, Santiago
San-Cristobal, Rodrigo
Kolossa, Silvia
Klein, Ulla L.
Hallmann, Jacqueline
Godlewska, Magdelena
Surwiłło, Agnieszka
Drevon, Christian A.
Bouwman, Jildau
Grimaldi, Keith
Parnell, Laurence D.
Manios, Yannis
Traczyk, Iwona
Gibney, Eileen R.
Brennan, Lorraine
Walsh, Marianne C.
Lovegrove, Julie A.
Martinez, J. Alfredo
Daniel, Hannelore
Saris, Wim H. M.
Gibney, Mike
Mathers, John C.
Journal name Genes & nutrition
Volume number 10
Issue number 28
Start page 476
End page 485
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2015-07-05
ISSN 1555-8932
Keyword(s) internet-based
validation
identity
anthropometrics
personalised nutrition
randomised controlled trial
Summary 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 how to perform each measurement. Individual's identity was checked visually and by repeated collection and analysis of buccal cell DNA for 33 genetic variants. Validation of identity using genomic information showed perfect concordance between SR and VS. Similar results were found for demographic data (age and sex verification). We observed strong intra-class correlation coefficients between SR and VS for anthropometric data (height 0.990, weight 0.994 and BMI 0.983). However, internet-based SR weight was under-reported (Δ -0.70 kg [-3.6 to 2.1], p < 0.0001) and, therefore, BMI was lower for SR data (Δ -0.29 kg m(-2) [-1.5 to 1.0], p < 0.0001). BMI classification was correct in 93 % of cases. We demonstrate the utility of genotype information for detection of possible identity fraud in e-health studies and confirm the reliability of internet-based, SR anthropometric and demographic data collected in the Food4Me study. TRIAL REGISTRATION: NCT01530139 ( http://clinicaltrials.gov/show/NCT01530139 ).
Language eng
DOI 10.1007/s12263-015-0476-0
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920411 Nutrition
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, European Union
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082995

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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