Novel Mobile Application to Assess Dietary Information

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

132 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-31

Study Completion Date

2018-11-27

Brief Summary

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The study will assess the accuracy of food capture methods using a novel mobile application. This will be done by comparing the energy and nutrient content of reported foods against those of foods actually consumed (i.e., reported vs actual). Two methods of using the application will be tested:

1. During each eating occasion to report foods and amounts consumed
2. By taking photographs of every food consumed, using the camera functionality of the mobile application and using the application the following day (according to the availability of the study subjects) to report foods and amounts consumed. This is to be consistent with the concept of a 24-hour dietary recall.

One group will use a standard 24-hour dietary recall method.

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Detailed Description

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Conditions

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Dietary Assessment

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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US Healthy diet

Subjects will install a mobile app for use and will be randomly assigned to a healthy diet.

Group Type OTHER

subjects will install a mobile app for use

Intervention Type OTHER

novel mobile application

Vegetarian diet

Subjects will install a mobile app for use and will be randomly assigned to a vegetarian diet.

Group Type OTHER

subjects will install a mobile app for use

Intervention Type OTHER

novel mobile application

Mediterranean diet

Subjects will install a mobile app for use and will be randomly assigned to a Mediterranean diet.

Group Type OTHER

subjects will install a mobile app for use

Intervention Type OTHER

novel mobile application

Interventions

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subjects will install a mobile app for use

novel mobile application

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Generally healthy men and women 18-65 years of age
* Eats a wide variety of foods from all food groups
* 18 ≤ body mass index (BMI) \< 30 kg/m2
* Ability to read and write in English
* iPhone (iOS 11 or higher) or Android phone (6 or higher) user willing to download the mobile application

Exclusion Criteria

* Presence of active disease at screening that would prevent normal dietary intake and/or would result in weight loss (irritable bowel syndrome, Crohn's disease, celiac disease, etc.)
* Medical complications or chronic illness that would prevent full participation (e.g., active cancer)
* Pregnant or lactating women
* Diagnosed eating disorder
* Vegetarian
* Special dietary requirements or severe allergies that prevent the consumption of major food groups (e.g., gluten free, lactose free, Halal)
* Diagnosis of a mental health condition that has not been stable within the past 6 months
* Current or previous experience with dietary data collection or analysis
* Concurrent participation in another research study at any point during the study
* Availability and access to a tablet device (iPad, Android) only
* Shift workers
* Plan to partake in vigorous physical training/ exercise during the study period (e.g., training for or running a marathon)

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes