Dataset Information

The Effects of Time-Restricted Eating versus Standard Dietary Advice on Weight, Metabolic Health and the Consumption of Processed Food: A Pragmatic Randomised Controlled Trial in Community-Based Adults.

ABSTRACT: Weight loss is key to controlling the increasing prevalence of metabolic syndrome (MS) and its components, i.e., central obesity, hypertension, prediabetes and dyslipidaemia. The goals of our study were two-fold. First, we characterised the relationships between eating duration, unprocessed and processed food consumption and metabolic health. During 4 weeks of observation, 213 adults used a smartphone application to record food and drink consumption, which was annotated for food processing levels following the NOVA classification. Low consumption of unprocessed food and low physical activity showed significant associations with multiple MS components. Second, in a pragmatic randomised controlled trial, we compared the metabolic benefits of 12 h time-restricted eating (TRE) to standard dietary advice (SDA) in 54 adults with an eating duration > 14 h and at least one MS component. After 6 months, those randomised to TRE lost 1.6% of initial body weight (SD 2.9, p = 0.01), compared to the absence of weight loss with SDA (-1.1%, SD 3.5, p = 0.19). There was no significant difference in weight loss between TRE and SDA (between-group difference -0.88%, 95% confidence interval -3.1 to 1.3, p = 0.43). Our results show the potential of smartphone records to predict metabolic health and highlight that further research is needed to improve individual responses to TRE such as a shorter eating window or its actual clock time.

SUBMITTER: Phillips NE

PROVIDER: S-EPMC8004978 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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The Effects of Time-Restricted Eating versus Standard Dietary Advice on Weight, Metabolic Health and the Consumption of Processed Food: A Pragmatic Randomised Controlled Trial in Community-Based Adults.

Phillips Nicholas Edward NE Mareschal Julie J Schwab Nathalie N Manoogian Emily N C ENC Borloz Sylvie S Ostinelli Giada G Gauthier-Jaques Aude A Umwali Sylvie S Gonzalez Rodriguez Elena E Aeberli Daniel D Hans Didier D Panda Satchidananda S Rodondi Nicolas N Naef Felix F Collet Tinh-Hai TH

Nutrients 20210323 3

Weight loss is key to controlling the increasing prevalence of metabolic syndrome (MS) and its components, i.e., central obesity, hypertension, prediabetes and dyslipidaemia. The goals of our study were two-fold. First, we characterised the relationships between eating duration, unprocessed and processed food consumption and metabolic health. During 4 weeks of observation, 213 adults used a smartphone application to record food and drink consumption, which was annotated for food processing level ...[more]

PMID: 33807102

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Project description:Previous studies have examined the relationships between some eating distractions and diet quality in the young population. However, to our knowledge, no study has analyzed the associations between multiple eating distractions (e.g., using a mobile phone, watching television [TV], eating while standing) and diet quality, particularly in terms of ultra-processed food (UPF) consumption and adherence to the Mediterranean diet (MedDiet) among adolescents. The objective of the current study was to analyze the relationships of eating distractions with UPF consumption and adherence to the MedDiet in a sample of Spanish adolescents. This cross-sectional study used data from 826 adolescents aged 12-17 years from the Eating Healthy and Daily Life Activities study in Spain. The following eating distractions were assessed via a self-report questionnaire: "(1) eating while talking on the phone/sending short message service [SMS]/emails or using social networks", (2) watching TV while dinner, and (3) eating while standing". The Mediterranean Diet Quality Index for children and adolescents (KIDMED) was utilized to evaluate adherence to the MedDiet. A self-administered food frequency questionnaire, previously validated for the Spanish population, was used to assess UPF consumption. The associations of eating distractions with UPF consumption and MedDiet adherence were analyzed via generalized linear models. The models were adjusted for sex, age, socioeconomic status, body mass index, physical activity, sedentary behavior, and sleep duration. A significant association was found, with a higher eating distraction score corresponding to greater UPF consumption (unstandardized beta coefficient [B] = 71.25; 95% confidence interval [CI] 34.69-107.82; p < 0.001). Furthermore, a higher eating distraction score was associated with a lower KIDMED score (B - 0.29; 95% CI - 0.39 to - 0.18; p < 0.001). Individually, for grams of UPFs consumed, a significant association was observed for eating while using a phone or social network, which was linked to higher UPF consumption (B = 120.70; 95% CI 57.83-183.57; p < 0.001). However, the associations for eating while watching TV (B = 49.60; 95% CI - 9.01 to 108.21; p = 0.098) and eating while standing (B = 63.66; 95% CI - 37.92 to 165.25; p = 0.220) did not reach statistical significance. For KIDMED score, all the eating distractions were associated with a significant decrease, with the largest effect observed for phone or social network use (B = - 0.44; 95% CI - 0.62 to - 0.26). Watching TV (B = - 0.18; 95% CI - 0.35 to - 0.01; p = 0.037) and eating while standing (B = - 0.42; 95% CI - 0.71 to - 0.13; p = 0.004) also showed significant negative associations. Although diet quality is influenced by multiple factors, eating distractions may negatively impact adolescents by increasing UPF consumption and reducing adherence to the MedDiet. These findings underscore the importance of understanding the role of the eating environment in shaping healthy dietary habits.

Project description:Dietary shift towards more plant-based options is increasingly popular, but the quantity of ultra-processed foods (UPFs) they contain is largely unknown. This study assessed the level of UPF and minimally processed food consumption among regular and low red meat eaters, flexitarians, pescatarians, vegetarians and vegans in a large dataset of United Kingdom (UK) adults. This is a cross-sectional analysis of the UK Biobank participants recruited between December 19, 2006, and October 1, 2010. Responses to food frequency questions were used to identify diet types for vegans (never eating any animal-based foods); vegetarians (never eating meat/fish); pescatarians (never eating meat); flexitarians (consumed fish/meat under twice a week); low red meat eaters (consumed fish/poultry more than once a week but red/processed meat under twice a week); and regular red meat eaters (consumed red/processed meat more than once a week). Consumption of all food and drinks collected in 24-h recalls between April 29, 2009, and June 28, 2012, were categorised using the Nova classification. The primary outcomes are the consumption of UPFs and minimally processed foods, expressed as a percentage of daily food intake (grams/day). Multivariable linear regression assessed the mean percentage point difference in UPF and minimally processed food consumption between diet types. This study included 199,502 UK Biobank participants (mean age 58.2 [standard deviation 7.9] years; 55.1% women). The mean UPF consumption was 24.2%, 21.9%, 22.0%, 20.4%, 23.8%, and 22.7% among 75,091 regular red meat eaters, 70,144 low red meat eaters, 45,057 flexitarians, 4932 pescatarians, 4119 vegetarians and 159 vegans, respectively. The adjusted results suggested that compared with regular red meat eaters, UPF consumption was 1.3 percentage points higher among vegetarians (95% confidence interval [CI]: 0.9, 1.7) and lower among low red meat eaters (-1.3, 95% CI: -1.4, -1.1), flexitarians (-0.8, 95% CI: -1.0, -0.7), and pescatarians (-1.6, 95% CI: -1.9, -1.2). The UPF consumption in vegans were not significantly different from regular red meat eaters (1.2 percentage points, 95% CI: -0.7, 3.2). Minimally processed food consumption was higher in all other types of diet than regular red meat eaters, with an adjusted percentage point difference ranged from 0.4 (95% CI: 0.005, 0.9) for vegetarians to 3.2 (95% CI: 1.0, 5.5) for vegans compared with regular red meat eaters. This UK-based study found higher UPF consumption in vegetarian diets and lower in diets with a modest amount of meat or fish. It is important that policies which encourage the urgently needed transition to more sustainable dietary patterns also promote rebalancing diets towards minimally processed foods. National Institute for Health and Care Research (NIHR) School for Public Health Research, World Cancer Research Fund.

Dataset Information

The Effects of Time-Restricted Eating versus Standard Dietary Advice on Weight, Metabolic Health and the Consumption of Processed Food: A Pragmatic Randomised Controlled Trial in Community-Based Adults.

Publications

The Effects of Time-Restricted Eating versus Standard Dietary Advice on Weight, Metabolic Health and the Consumption of Processed Food: A Pragmatic Randomised Controlled Trial in Community-Based Adults.

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