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Faster eating rates are associated with higher energy intakes during an ad libitum meal, higher BMI and greater adiposity among 4·5-year-old children: results from the Growing Up in Singapore Towards Healthy Outcomes (GUSTO) cohort.

ABSTRACT: Faster eating rates are associated with increased energy intake, but little is known about the relationship between children's eating rate, food intake and adiposity. We examined whether children who eat faster consume more energy and whether this is associated with higher weight status and adiposity. We hypothesised that eating rate mediates the relationship between child weight and ad libitum energy intake. Children (n 386) from the Growing Up in Singapore Towards Healthy Outcomes cohort participated in a video-recorded ad libitum lunch at 4·5 years to measure acute energy intake. Videos were coded for three eating-behaviours (bites, chews and swallows) to derive a measure of eating rate (g/min). BMI and anthropometric indices of adiposity were measured. A subset of children underwent MRI scanning (n 153) to measure abdominal subcutaneous and visceral adiposity. Children above/below the median eating rate were categorised as slower and faster eaters, and compared across body composition measures. There was a strong positive relationship between eating rate and energy intake (r 0·61, P<0·001) and a positive linear relationship between eating rate and children's BMI status. Faster eaters consumed 75 % more energy content than slower eating children (?548 kJ (?131 kcal); 95 % CI 107·6, 154·4, P<0·001), and had higher whole-body (P<0·05) and subcutaneous abdominal adiposity (?118·3 cc; 95 % CI 24·0, 212·7, P=0·014). Mediation analysis showed that eating rate mediates the link between child weight and energy intake during a meal (b 13·59; 95 % CI 7·48, 21·83). Children who ate faster had higher energy intake, and this was associated with increased BMI z-score and adiposity.

SUBMITTER: Fogel A

PROVIDER: S-EPMC5472197 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Faster eating rates are associated with higher energy intakes during an ad libitum meal, higher BMI and greater adiposity among 4·5-year-old children: results from the Growing Up in Singapore Towards Healthy Outcomes (GUSTO) cohort.

Fogel Anna A Goh Ai Ting AT Fries Lisa R LR Sadananthan Suresh A SA Velan S Sendhil SS Michael Navin N Tint Mya-Thway MT Fortier Marielle V MV Chan Mei Jun MJ Toh Jia Ying JY Chong Yap-Seng YS Tan Kok Hian KH Yap Fabian F Shek Lynette P LP Meaney Michael J MJ Broekman Birit F P BFP Lee Yung Seng YS Godfrey Keith M KM Chong Mary F F MFF Forde Ciarán G CG

The British journal of nutrition 20170401 7

Faster eating rates are associated with increased energy intake, but little is known about the relationship between children's eating rate, food intake and adiposity. We examined whether children who eat faster consume more energy and whether this is associated with higher weight status and adiposity. We hypothesised that eating rate mediates the relationship between child weight and ad libitum energy intake. Children (n 386) from the Growing Up in Singapore Towards Healthy Outcomes cohort parti ...[more]

PMID: 28462734

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Project description:Liver content of pentose-cycle intermediates and the activity of the three major cytoplasmic NADPH-producing enzymes and pentose-cycle enzymes were measured in three dietary states: 48 h-starved rats, rats fed on a standard diet ad libitum, and rats meal-fed with a low-fat high-carbohydrate diet. Measured tissue contents of pentose-cycle intermediates in starved liver were: 6-phosphogluconate, 4.7 +/- 0.5 nmol/g; ribulose 5-P, 3.7 +/- 0.5 nmol/g; xylulose 5-P, 4.3 +/- 0.4 nmol/g; sedoheptulose 7-P, 25.5 +/- 1.3 nmol/g; and combined sedoheptulose 7-P and ribose 5-P, 30.6 +/- 0.7 nmol/g. These values were in good agreement with values calculated from fructose 6-P and free glyceraldehyde 3-P, assuming the major transketolase, transaldolase, ribulose-5-P 3-epimerase and ribose-5-P isomerase reactions were all in near-equilibrium. Similar results were found in animals fed ad libitum. These relationships were not valid in animals fed on a low-fat high-carbohydrate diet, with tissue contents of metabolites in some cases being more than an order of magnitude higher than the calculated values. Measured tissue contents of pentose-cycle intermediates in these animals were: 6-phosphogluconate, 124.2 +/- 13.9 nmol/g; ribulose 5-P, 44.8 +/- 7.1 nmol/g; xylulose 5-P, 77.2 +/- 9.4 nmol/g; sedoheptulose 7-P, 129.9 +/- 10.1 nmol/g; and combined sedoheptulose 7-P and ribose 5-P, 157.0 +/- 11.3 nmol/g. In all animals, regardless of dietary state, tissue content of erythrose 4-P was less than 2 nmol/ml. Liver activities of glucose-6-P dehydrogenase and 6-phosphogluconate dehydrogenase were increased from 3.5 +/- 0.9 mumol/g and 7.3 +/- 0.5 mumol/min per g in starved animals to 13.2 +/- 1.1 and 10.5 +/- 0.7 mumol/min per g in low-fat high-carbohydrate-fed animals. Despite these changes, the activities of transaldolase (3.4 +/- 0.3 mumol/min per g), transketolase (7.8 +/- 0.2 mumol/min per g) and ribulose-5-P 3-epimerase (7.5 +/- 0.4 mumol/min per g) were not increased in meal-fed animals above those observed in starved animals (3.4 +/- 0.2, 7.1 +/- 0.3 and 8.6 +/- 0.4 mumol/min per g respectively). The increase in the activity of oxidative pentose-cycle enzymes in the absence of any change in the non-oxidative pentose cycle appeared to contribute to the observed disequilibrium in the pentose cycle in animals meal fed on a low-fat high-carbohydrate diet.

Project description:BACKGROUND:Infant body composition has been associated with later metabolic disease risk, but few studies have examined the association between maternal macronutrient intake and neonatal body composition. Furthermore, most of those studies have used proxy measures of body composition that may not reflect body fat distribution, particularly abdominal internal adiposity. OBJECTIVE:We investigated the relation between maternal macronutrient intake and neonatal abdominal adiposity measured by using MRI in a multiethnic Asian mother-offspring cohort. METHODS:The macronutrient intake of mothers was ascertained by using a 24-h dietary recall at 26-28 wk gestation. Neonatal abdominal adiposity was assessed by using MRI in week 2 of life. Mother-offspring dyads with complete macronutrient intake and adiposity information (n = 320) were included in the analysis. Associations were assessed by both substitution and addition models with the use of multivariable linear regressions. RESULTS:Mothers (mean age: 30 y) consumed (mean ± SD) 15.5% ± 4.3% of their energy from protein, 32.4% ± 7.7% from fat, and 52.1% ± 9.0% from carbohydrate. A higher-protein, lower-carbohydrate or -fat diet during pregnancy was associated with lower abdominal internal adipose tissue (IAT) in the neonates [? (95% CI): -0.18 mL (-0.35, -0.001 mL) per 1% protein-to-carbohydrate substitution and -0.25 mL (-0.46, -0.04 mL) per 1% protein-to-fat substitution]. These associations were stronger in boys than in girls (P-interaction < 0.05). Higher maternal intake of animal protein, but not plant protein, was associated with lower offspring IAT. In contrast, maternal macronutrient intake was not associated consistently with infant anthropometric measurements, including abdominal circumference and subscapular skinfold thickness. CONCLUSIONS:Higher maternal protein intake at the expense of carbohydrate or fat intake at 26-28 wk gestation was associated with lower abdominal internal adiposity in neonates. Optimizing maternal dietary balance might be a new approach to improve offspring body composition. This trial was registered at clinicaltrials.gov as NCT01174875.

Dataset Information

Faster eating rates are associated with higher energy intakes during an ad libitum meal, higher BMI and greater adiposity among 4·5-year-old children: results from the Growing Up in Singapore Towards Healthy Outcomes (GUSTO) cohort.

Publications

Faster eating rates are associated with higher energy intakes during an ad libitum meal, higher BMI and greater adiposity among 4·5-year-old children: results from the Growing Up in Singapore Towards Healthy Outcomes (GUSTO) cohort.

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