title: Dietary factors in relation to daily activity energy expenditure and mortality among older adults.
abstract: OBJECTIVE
  To examine the association between dietary factors to daily activity energy expenditure (DAEE) and mortality among older adults.
  
  
  METHODS
  A sub-study of Health, Aging, and Body Composition study.
  
  
  METHODS
  298 older participants (aged 70-82 years) in the Health, Aging, and Body Composition Energy Expenditure sub-study.
  
  
  METHODS
  Dietary factors, DAEE, and all-cause mortality were measured in 298 older participants. Dietary factors include dietary intake assessed by the Block Food Frequency Questionnaire (FFQ), Healthy Eating Index (HEI), and self-reported appetite and enjoyment of eating. DAEE was assessed using doubly labeled water. All-cause mortality was evaluated over a 9 year period.
  
  
  RESULTS
  Participants in the highest tertile of DAEE were more likely to be men and to report having a 'good' appetite; BMI among men, proportion married, IL-6 and CRP levels and energy intake were also higher. Fewer black participants were in the 'good' HEI category. Participants in the 'good' HEI category had higher cognitive scores and a higher education level. Participants who reported improvement in their appetite as well as participants who reported a 'good' appetite were at lower risk for mortality (HR (95% CI): 0.42 (0.24-0.74) and 0.50 (0.26-0.88), respectively) even after adjusting for DAEE, demographic, nutritional and health indices.
  
  
  CONCLUSIONS
  We showed an association between DAEE and appetite and mortality among well-functioning, community-dwelling older adults. These findings may have some practical use for the health providers. Inclusion of a question regarding appetite of an elderly patient may provide important information regarding risk for health deterioration and mortality.
authors.affiliation: Daniel Abraham International Center for Health and Nutrition, Ben-Gurion University of the Negev, Beer-Sheva, Israel. dshahar@bgu.ac.il
authors.forename: D R
authors.initials: DR
authors.lastname: Shahar
authors.forename: B
authors.initials: B
authors.lastname: Yu
authors.forename: D K
authors.initials: DK
authors.lastname: Houston
authors.forename: S B
authors.initials: SB
authors.lastname: Kritchevsky
authors.forename: J-S
authors.initials: JS
authors.lastname: Lee
authors.forename: S M
authors.initials: SM
authors.lastname: Rubin
authors.forename: D E
authors.initials: DE
authors.lastname: Sellmeyer
authors.forename: F A
authors.initials: FA
authors.lastname: Tylavsky
authors.forename: T B
authors.initials: TB
authors.lastname: Harris
mesh_terms: D000203:Activities of Daily Living; D000368:Aged / Q000502:physiology*; D000375:Aging; D001066:Appetite / Q000502:physiology; D015992:Body Mass Index; D004032:Diet / Q000379:methods*; D004734:Energy Metabolism / Q000502:physiology*; D005247:Feeding Behavior / Q000502:physiology; D005260:Female; D015577:Geriatric Assessment / Q000379:methods / Q000706:statistics & numerical data; D006306:Health Surveys; D006801:Humans; D008297:Male; D009026:Mortality; D009749:Nutrition Surveys; D012307:Risk Factors; D011795:Surveys and Questionnaires; D014481:United States