Validity of the PortionSize App to Measure Children's Food Intake

NCT05587816 | Completed Results

• 1 other identifier: PBRC 2022-031
• Study Type: interventional
• Target: 31
• Locations: 1 country
• Sites: 1

Brief Summary

The purpose of this study is to assess the validity of the PortionSize™ app to quantify children's own dietary intake and children's intake by parents or caregivers.

Conditions

Nutritional Assessment

Keywords

Dietary Assessment

Outcome Measures

Primary Outcomes (4)

• Estimation of Energy Intake (kcal) by Children Using the PortionSize App

  Percent mean error and Bland-Altman analysis will be performed to determine errors in estimations of energy intake from the PortionSize app compared to estimations of energy intake from the weighed meals (the criterion measure).

  One study visit of ~ 2.5 hours

• Estimation of Intake of Food Group Servings (Fruit) by Children Using the PortionSize App

  Percent mean error and Bland-Altman analysis will be performed to determine errors in estimations of intake of food group servings from the PortionSize app compared to estimations of food group servings from the weighed meals (the criterion measure).

  One study visit of ~ 2.5 hours

• Estimation of Energy Intake (kcal/Day) by Parents or Caregivers Using the PortionSize App

  Percent mean error and Bland-Altman analysis will be performed to assess errors in estimating energy intake using the PortionSize app compared to estimations of energy measured by expert raters via food photography analysis.

  Parents or caregivers will assess food intake of their child (at least one meal and a snack) for two consecutive days at home

• Estimation of Intake of Food Group Servings (Fruit) by Parents or Caregivers Using the PortionSize App

  Percent mean error and Bland-Altman analysis will be performed to assess errors in intake of food group servings using the PortionSize app compared to estimations of food group servings measured by expert raters via food photography analysis.

  Parents or caregivers will assess food intake of their child (at least one meal and a snack) for two consecutive days at home

Secondary Outcomes (2)

• User Satisfaction of the PortionSize App for Recording Food Intake by Children

  One study visit of ~ 2.5 hours

• User Satisfaction of the PortionSize App for Recording Food Intake by Parents or Caregivers

  Parents or caregivers will assess food intake of their child (at least one meal and a snack) for two consecutive days at home

Study Arms (1)

Experimental

EXPERIMENTAL

* Training and use of the PortionSize app by children and parents or caregivers * Using the PortionSize app at the clinic of Pennington Biomedical Research Center and at home (free-living condition) * Rating the satisfaction of using the PortionSize app

Device: Validation of the PortionSize app

Interventions

Validation of the PortionSize app DEVICE

The investigators will recruit 40 dyads (40 children aged 7-12 years old and 40 parents or caregivers) using a convenience sample for this pilot study. Children and their parents or caregivers will be trained to use the PortionSize app at Pennington Biomedical Research Center (PBRC). Children will use the PortionSize app and estimate food intake from pre-weighed meals (simulated meals) at PBRC clinic. Children will not consume the simulated meals. Children's parents or caregivers will also use the PortionSize app and estimate the food intake of their children (at least one meal and a snack each day) for two consecutive days at home.

Experimental

Eligibility Criteria

• Age: 7 Years - 12 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Child (0-17)

You may qualify if:

• Male or female
• Children (7-12 years) and their parents or caregivers (18-62 years)
• Parents who have Willingness to use the PortionSize app to estimate the intake of their child food intake (normal/regular diet) from at least a snack and a meal of child for two consecutive days
• Have iPhone (version 6 or above) and an operable Apple ID, password, and email address, and able to use iPhone

You may not qualify if:

• Any condition or circumstance that could impede study completion
• Child who is a very choosy eater or has a very limited food choice

Sponsors & Collaborators

• Pennington Biomedical Research Center: lead
• Blue Cross and Blue Shield of Louisiana Foundation: collaborator

Study Sites (1)

Pennington Biomedical Research Center

Baton Rouge, Louisiana, 70808, United States

Location

Related Publications (1)

• Saha S, Diktas HE, Lozano CP, Staiano AE, Broyles ST, Apolzan JW, Martin CK. Validity of the PortionSize App for Assessing Children's Dietary Intake: Results From a Pilot Study Conducted in Controlled and Free-Living Settings. Pediatr Obes. 2026 Mar;21(3):e70102. doi: 10.1111/ijpo.70102.

  PMID: 41807093 DERIVED

Results Point of Contact

• Title: Dr. Hanim Ecem Diktas
• Organization: Pennington Biomedical Research Center

hanim.diktas@pbrc.edu

+1 (225) 763-2832

Study Officials

• Hanim E Diktas, PhD

  Pennington Biomedical Research Center

  PRINCIPAL INVESTIGATOR

Publication Agreements

• PI is Sponsor Employee: Yes

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NA
• Masking: NONE
• Purpose: OTHER
• Intervention Model: SINGLE GROUP
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Principal Investigator

Study Record Dates

• First Submitted: October 17, 2022
• First Posted: October 20, 2022
• Study Start: October 28, 2022
• Primary Completion: March 6, 2023
• Study Completion: March 13, 2023
• Last Updated: April 15, 2026
• Results First Posted: April 15, 2026

Record last verified: 2026-03

Data Sharing

• IPD Sharing: Will not share

Locations

US (1)