Anne?Kathrin Illner|Heinz Freisling|Heiner Boeing|Inge Huybrechts|S Crispim|Nadia Slimani
Review and evaluation of innovative technologies for measuring diet in nutritional epidemiology
German Institute of Human Nutrition|German Institute of Human Nutrition|German Institute of Human Nutrition|German Institute of Human Nutrition|German Institute of Human Nutrition|German Institute of Human Nutrition
use innovative technologies deemed improve dietary assessment various research settings however relative merits nutritional epidemiological studies require accurate quantitative estimates usual intake individual level still need evaluatedto report inventory available innovative technologies dietary assessment critically evaluate strengths weaknesses compared conventional methodologies ie food frequency questionnaires food records 24hour dietary recalls used epidemiological studiesa list currently available technologies identified englishlanguage journals using pubmed web science search criteria principally based date publication 1995 2011 predefined search keywordssix main groups innovative technologies identified personal digital assistant mobilephone interactive computer web camera taperecorder scan sensorbased technologies compared conventional food records personal digital assistant mobile phone devices seem improve recording possibility realtime recording eating events validity estimate individual dietary intakes low moderate 24hour dietary recalls still limited knowledge regarding accuracy fully automated approaches methodological problems inaccuracy selfreported portion sizes might critical interviewbased applications contrast measurement errors innovative webbased conventional paperbased food frequency questionnaires likely similar suggesting underlying methodology unchanged technologymost new technologies dietary assessment seen overlapping methodological features conventional methods predominantly used nutritional epidemiology main potential enhance dietary assessment cost timeeffective less laborious ways data collection higher subject acceptance though integration epidemiological studies would need additional considerations study objectives target population financial resources available however even innovative technologies inherent individual bias related selfreported dietary intake resolved research therefore crucial investigate validity innovative dietary assessment technologies