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

C. Celis-Morales, K.M. Livingstone, C. Woolhead, H. Forster, C.B. O'Donovan, A.L. Macready, R. Fallaize, C.F.M. Marsaux, L. Tsirigoti, E. Efstathopoulou, G. Moschonis, S. Navas-Carretero, R. San-Cristobal, S. Kolossa, U.L. Klein, J. Hallmann, M. Godlewska, A. Surwillo, C.A. Drevon, J. BouwmanK. Grimaldi, L.D. Parnell, Y. Manios, I. Traczyk, E.R. Gibney, L. Brennan, M.C. Walsh, J.A. Lovegrove, J.A. Martinez, H. Daniel, W.H. Saris, M. Gibney, J.C. Mathers^*Show 13 moreShow less