Suzanne M. Perks|J. N. Roemmich|M Sandow-Pajewski|P A Clark|Emma F. Thomas|A. Weltman|James T. Patrie|Alan D. Rogol
Alterations in growth and body composition during puberty. IV. Energy intake estimated by the Youth-Adolescent Food-Frequency Questionnaire: validation by the doubly labeled water method
University of Virginia
estimates energy intake required understanding growth disease however methods energy intake children validatedour objective validate energy intake estimated youthadolescent foodfrequency questionnaire yaq criterion total energy expenditure tee doubly labeled water dlwtwentythree boys 27 girls 86162 age completed yaq tee measurements 1 yenergy intake yaq 10 03 312 mj energy expenditure dlw 984 179 mj similar p 091 large lower 630 mj upper 667 mj 2 sd limits agreement withinsubject cvs repeated measures dlw yaq methods used 25 50 subjects deemed misreported energy intake discrepancy energy intake yaq tee related body weight r 025 p 0077 percentage body fat r 024 p 009 age r 007 p 063 time measures logistic regression fatter boys likely underreport energy intake fatter girlsthe yaq provides accurate estimation mean energy intake group individual