Additional file 3: of Capturing health and eating status through a nutritional perception screening questionnaire (NPSQ9) in a randomised internet-based personalised nutrition intervention: the Food4Me study San-CristobalRodrigo Navas-CarreteroSantiago Celis-MoralesCarlos LivingstoneKatherine Stewart-KnoxBarbara RankinAudrey MacreadyAnna FallaizeRosalind O’DonovanClare ForsterHannah WoolheadClara WalshMarianne LambrinouChristina MoschonisGeorge ManiosYannis JaroszMiroslaw DanielHannelore GibneyEileen BrennanLorraine GundersenThomas DrevonChristian GibneyMike MarsauxCyril SarisWim LovegroveJulie FrewerLynn MathersJohn MartinezJ. 2017 Figure S1. Flow diagram of the confirmatory factor analysis of selected items of Nutritional Perception Screening Questionnaire (NPSQ9) in the randomised sample. (PPTX 188 kb)