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Diet Quality clinical trials

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NCT ID: NCT05537337 Completed - Diet Quality Clinical Trials

Understanding Food Choices (Aim 2)

Start date: January 3, 2022
Phase: N/A
Study type: Interventional

This study aims to use the Multiphase Optimization Strategy (MOST) to build and optimize a multicomponent intervention that improves diet quality. The investigators have evaluated the effects of evidence-based public health interventions on consumers' diet quality via a web-based grocery store "NUSMart" as part of Aim 1 of this study. Considering that the goal is to identify promising interventions that may optimize online grocery platforms, the investigators used Aim 1's results to assemble a multicomponent intervention that would significantly affect diet quality: a combination of three behavioral nudges that include food labels & real-time feedback, ordering, and healthier substitute offers (a subset of the interventions examined in Aim 1). Aim 2 study aims to rigorously evaluate this multicomponent intervention.

NCT ID: NCT05070442 Completed - Diet Quality Clinical Trials

Diet Improvement Through Normative Experimentation

DINE
Start date: April 22, 2022
Phase: N/A
Study type: Interventional

This study aims to use a three-arm randomized control trial (RCT) implemented in a fully functional experimental online grocery store, to explore the effects of two low-cost information and incentive-based strategies. These strategies comprise of injunctive norm-based messaging and the use of financial incentive leveraging on loss aversion to encourage the purchase of healthy foods. The investigators have set up a store wherein products may be purchased by participants and subsequently delivered to homes in some of the conditions. This increases the external validity of these interventions and enables investigators to establish greater confidence in their generalizability.

NCT ID: NCT05049005 Completed - Weight Loss Clinical Trials

Alternative Dietary Approaches Online to Promote Tracking

ADOPT
Start date: October 4, 2021
Phase: N/A
Study type: Interventional

Purpose: Compare the efficacy of two 3-month Internet-based interventions that use a simplified strategy for monitoring of dietary intake among young adult men and women with overweight or obesity. Participants: Young adult men and women who are between the ages of 18-35 years (N=75) and who currently have overweight or obesity (BMI between 25 and 50 kg/m^2). Procedures (methods): This is a randomized controlled trial comparing the efficacy of two Internet-based dietary interventions among 75 young adult men and women who currently have overweight or obesity. Both interventions will use simplified monitoring of dietary intake using an approach based on the Traffic Light Diet. One intervention will target a reduction in intake of red foods (high-calorie, high-fat foods) and tracking of red foods in the study website. The other intervention will target an increase in intake of green foods (low-calorie, healthy foods) and tracking of green foods in the study website. Components of both interventions include (1) personalized goals for red/green food intake, (2) weekly tailored feedback, and (3) weekly lessons delivered via smartphone.

NCT ID: NCT05018026 Completed - Diet Quality Clinical Trials

Understanding Grocery Shopping Behaviour

Start date: September 1, 2021
Phase: N/A
Study type: Interventional

This study aims to systematically evaluate the effect of Singapore's new front-of-pack non-alcoholic beverage labels, called Nutri-Grade, on the consumption of processed beverages. Using a fully functional grocery webstore, the investigators wish to assess the causal effect of the new labels on food and beverage purchase, sugar intake, and overall diet quality and examine how this effect varies by shoppers' income and education level. The investigators' hypotheses about the effects of these new food labels, measured by the grams of sugar per serving (primary) of finalized shopping baskets, are as follows: 1. Hypotheses 1: The new sugar-sweetened beverage (SSB) labels will shift consumers toward healthier products. Sugar-sweetened beverages are any liquids that have been sweetened with one or more of the different forms of added sugars. 2. Hypotheses 2: The new SSB labels will reduce overall sugar and calories purchased and increase overall diet quality. 3. Hypotheses 3: Effects will be greater for those with low income/low education as they are least familiar with the nutrition facts panel and thus most likely to benefit from the new information.

NCT ID: NCT05007184 Completed - Diet Quality Clinical Trials

Understanding Food Choices in Saudi Arabia

Start date: July 7, 2021
Phase: N/A
Study type: Interventional

Using a 3-arm randomized controlled trial, the investigators aim to rigorously evaluate the effects of two front-of-pack (FOP) food labels on diet quality. The first food label is a modified version of Chilean warning FOP label and the second food label is a modified version of French FOP label, Nutri-Score. The investigators used an experimental online grocery store, called NUSMart, which is similar in design to commercial web-based grocery stores to test these two FOP labels. Participants were randomly assigned to one of the following arms and asked to complete a one-time hypothetical shop. Arm 1: Participants experienced a default version of NUSMart which replicated the traditional shopping experience of online grocery stores with no FOP labels (Control). Arm 2: Same as Arm 1 NUSMart except that Chilean warning FOP labels were displayed on less healthy food and beverages. Products with specific nutrients (i.e. sugar, sodium, saturated fat, energy) falling outside the bounds of the thresholds defined by the Chilean warning labels were depicted with the warning labels on them. Arm 3: Same as Arm 1 NUSMart except that Nutri-Score FOP labels along with % sugar per serving were displayed on all food and beverages. These labels score products on the basis of 7 nutrients (calories, saturated fats, sugar, salt, fibre, protein and percentage of fruits, vegetables and nuts) from A to E (best to worst). To ensure that participants understood what Nutri-Score labels mean and how they work, an introductory video was shown before shopping. The investigators hypothesize the following: Hypothesis 1: Diet quality, as measured by weighted average Nutri-Score point of shoppers' final baskets, will be greatest in Arm 3, followed by Arm 2, followed by Control. Hypothesis 2: Grams of sugar per serving/ milligrams of sodium per serving/ grams of saturated fat per serving/ calories per serving will be least in Arm 2, followed by Arm 3, followed by Control.

NCT ID: NCT04632212 Completed - Diet Quality Clinical Trials

Understanding Food Choices

Start date: December 2, 2020
Phase: N/A
Study type: Interventional

This study aims to use the Multiphase Optimization Strategy (MOST) to build and optimize a multi-component intervention that improves diet quality. The investigators will evaluate the effects of evidence-based public health interventions on consumers' diet quality via a web-based grocery store "NUSMart" and then identify a multi-component intervention that includes only those interventions meaningfully affecting diet quality.

NCT ID: NCT03394326 Completed - Obesity, Childhood Clinical Trials

Eat Healthy for Families

Start date: July 1, 2017
Phase: N/A
Study type: Interventional

This study investigates the effect of a low energy-density dietary prescription as compared to MyPlate recommendations in preschool children at risk for obesity.