Thursday-Abstracts
Thursday-Abstracts
Thursday-Abstracts
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<strong>Thursday</strong>, May 30, 2013<br />
S268 Vol. 45 No. 5 Supplement<br />
D-21 Free Communication/Poster - Assessment of<br />
Physical Activity and Energy Expenditure<br />
May 30, 2013, 1:00 PM - 6:00 PM<br />
Room: Hall C<br />
1409 Board #1 May 30, 2:00 PM - 3:30 PM<br />
Estimating Food Energy requirements and average daily<br />
Metabolic rate For The us Population: 2005-2006<br />
Edward Archer, Greg A. Hand, FACSM, James R. Hebert, Erica<br />
Lau, Xuewen Wang, Robin Shook, Raja Fayad, Steven N. Blair,<br />
FACSM. Univeristy of South Carolina, Columbia, SC.<br />
(No relationships reported)<br />
PurPOsE:To estimate population-level food energy requirements (FER), total daily<br />
energy expenditure (TDEE), and average daily metabolic rate (ADMR) in a nationally<br />
representative sample of US adults.<br />
METhOds:FER, TDEE, and ADMR were estimated via a factorial equation in<br />
a nationally representative, cross-sectional, stratified sample of 2597 adults, aged<br />
20 to 74 years (US National Health and Nutrition Examination Survey; NHANES<br />
2005-2006). TDEE was calculated using estimated resting energy expenditure (REE),<br />
ADMR, and thermic effect of food (TEF). REE was derived from validated equations<br />
using demographic (i.e., age and sex) and anthropometric (i.e., height and weight) data.<br />
ADMR was calculated from objectively measured PA via accelerometry-based activity<br />
monitors and self-reported sleep duration. TEF was assigned a value of 7.5% of TDEE<br />
based on previous calorimetric research.<br />
rEsuLTs:The 2005-2006 estimated FER for the US population were 2940 kcal/day<br />
for men and 2275 kcal/day for women. FER ranged from 3230 kcal/day in obese (i.e.,<br />
BMI ≥30kg/m2) men to 2026 kcal/day in normal weight (BMI < 25kg/m2) women.<br />
There were significant inverse relationships between ADMR and obesity and age. For<br />
men and women, the ADMR values were 1.53 and 1.52, respectively. Obese men and<br />
women had lower ADMR values than normal weight (p