Taís de Souza Lopes|Ronir Raggio Luiz|Daniel Hoffman|Eduardo Ferriolli|Karina Pfrimer|Anibal S. Moura|Rosely Sichieri|Rosângela Alves Pereira
Misreport of energy intake assessed with food records and 24-h recalls compared with total energy expenditure estimated with DLW
Universidade Federal do Rio de Janeiro|Universidade Federal do Rio de Janeiro|Rutgers, The State University of New Jersey|Universidade de São Paulo|Universidade de São Paulo|Universidade do Estado do Rio de Janeiro|Universidade do Estado do Rio de Janeiro|Universidade Federal do Rio de Janeiro
accuracy dietary assessment methods rarely validated using precise techniques objective work evaluate validity energy intake ei estimated food records frs 24h recalls 24hrs total energy expenditure ee estimated doubly labeled water dlw method addition magnitude ei underreporting assessed along associated characteristics studied group included 83 adults 20 60 years age recruited populationbased sample withinperson variationadjusted means ei estimated two frs three 24hrs compared ee estimated using dlw method multiplepoint protocol wilcoxon signedrank test used assess differences ei ee whereas blandaltman survivalagreement plots assessed agreement estimates mean ee 2540 kcal greater mean reported ei dietary assessment methods fr 1774 kcal 24hr 1658 kcal p001 frequency underreporting lower 20 ei estimated 24hr estimated fr 32 men presented lower magnitude underreported ei women women differences ei ee lower fr 24hr overall fr 24hr showed similar performance mean underreported ei 30 methods irregular meal habits smoking low education associated underreport ei fr 24hr subjected bias suggesting need refining procedures applied dietary assessment methods