Ageing is associated with decreases in appetite and energy intake— A meta-analysis in healthy adults

Caroline Giezenaar, Ian Chapman, Natalie Luscombe-Marsh, Christine Feinle-Bisset, Michael Horowitz, Stijn Soenen

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Abstract

It is not well recognized that in the elderly weight loss is more common than weight gain. The aim of this analysis was to determine the effect of ageing on appetite (hunger/fullness) and energy intake, after overnight fasting and in a postprandial state, by meta-analyses of trials that included at least two age groups (>18 years). We hypothesized that appetite and energy intake would be less in healthy older compared with younger adults. Following a PubMed-database systematic search up to 30 June 2015, 59 studies were included in the random-effects-model meta-analyses. Energy intake was 16%-20% lower in older (n = 3574/~70 years/~71 kg/~25 kg/m2) than younger (n = 4111/~26 years/~69 kg/~23 kg/m2) adults (standardized mean difference: -0.77 (95% confidence interval —0.90 to —0.64)). Hunger was 25% (after overnight fasting; weighted mean difference (WMD): —17 (—22 to —13) mm) to 39% (in a postprandial state; WMD: —14 (—19 to —9) mm) lower, and fullness 37% (after overnight fasting; WMD: 6 mm (95% CI: 1 to 11 mm)) greater in older than younger adults. In conclusion, appetite and energy intake are less in healthy older than younger adults, suggesting that ageing per se affects food intake.

Original languageEnglish
JournalNutrients
Volume8
Issue number1
DOIs
Publication statusPublished - 7 Jan 2016
Externally publishedYes

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Appetite
appetite
Energy Intake
meta-analysis
Meta-Analysis
energy intake
postprandial state
young adults
fasting
Young Adult
Fasting
Hunger
hunger
PubMed
Weight Gain
Weight Loss
confidence interval
food intake
weight loss
Age Groups

Cite this

Giezenaar, Caroline ; Chapman, Ian ; Luscombe-Marsh, Natalie ; Feinle-Bisset, Christine ; Horowitz, Michael ; Soenen, Stijn. / Ageing is associated with decreases in appetite and energy intake— A meta-analysis in healthy adults. In: Nutrients. 2016 ; Vol. 8, No. 1.
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abstract = "It is not well recognized that in the elderly weight loss is more common than weight gain. The aim of this analysis was to determine the effect of ageing on appetite (hunger/fullness) and energy intake, after overnight fasting and in a postprandial state, by meta-analyses of trials that included at least two age groups (>18 years). We hypothesized that appetite and energy intake would be less in healthy older compared with younger adults. Following a PubMed-database systematic search up to 30 June 2015, 59 studies were included in the random-effects-model meta-analyses. Energy intake was 16{\%}-20{\%} lower in older (n = 3574/~70 years/~71 kg/~25 kg/m2) than younger (n = 4111/~26 years/~69 kg/~23 kg/m2) adults (standardized mean difference: -0.77 (95{\%} confidence interval —0.90 to —0.64)). Hunger was 25{\%} (after overnight fasting; weighted mean difference (WMD): —17 (—22 to —13) mm) to 39{\%} (in a postprandial state; WMD: —14 (—19 to —9) mm) lower, and fullness 37{\%} (after overnight fasting; WMD: 6 mm (95{\%} CI: 1 to 11 mm)) greater in older than younger adults. In conclusion, appetite and energy intake are less in healthy older than younger adults, suggesting that ageing per se affects food intake.",
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Ageing is associated with decreases in appetite and energy intake— A meta-analysis in healthy adults. / Giezenaar, Caroline; Chapman, Ian; Luscombe-Marsh, Natalie; Feinle-Bisset, Christine; Horowitz, Michael; Soenen, Stijn.

In: Nutrients, Vol. 8, No. 1, 07.01.2016.

Research output: Contribution to journalArticleResearchpeer-review

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