John Apolzan

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Associate Professor

Pennington Biomedical Research Center

United States

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About

John Apolzan is an Associate Professor at the Pennington Biomedical Research Center in the United States. His research areas include food loss and waste, dietary interventions, and the assessment of dietary intake using smartphone applications. He has recently published articles focusing on the effectiveness of eHealth interventions in obesity management and maternal health, as well as the interoperability of data in nutrition research.

Recent Grants

Grant: Close

Effects of Episodic Food Insecurity on Psychological and Physiological Responses in African American Women with Obesity

Open Date: 2021-08-26

Close Date: 2023-04-30

Grant: Close

Evaluation of the validity of the PortionSize app in controlled and free-living conditions: Tests of an app that calculates food intake and provides immediate feedback to users

Open Date: 2020-04-15

Close Date: 2024-03-31

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Collaborators (14)

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Christopher Taylor

Associate Professor

Louisiana State University Health Sciences Center

UNITED STATES

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Monique LeBlanc

Associate Professor

Southeastern Louisiana University

UNITED STATES

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Brian E. Roe

UNITED STATES

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Assistant Professor

Pennington Biomedical Research Center

UNITED STATES

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John Apolzan

Research Interests

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About

Recent Grants

Articles (20)

Integration of the PortionSize Ed App into SNAP-Ed for Improving Diet Quality Among Adolescents in Hawaiʻi: A Randomized Pilot Study

Ontologies relevant for improving data interoperability for food loss and waste: A review and research agenda

Precision Prevention, Diagnostics, and Treatment of Obesity: Pipedream or Reality?

An eHealth Intervention in Pregnancy on Maternal Body Composition and Subsequent Perinatal Outcomes: A Randomized Trial

Validity of the PortionSize™ and MyFitnessPal© smartphone apps for estimating dietary intake: A randomized crossover clinical trial

Comparison of Food Selection with the National School Lunch Program Meal Pattern Guidelines and Assessment of Children’s Food Intake and Waste Using Digital Photography in a School Cafeteria

Protocol for a randomised controlled trial of a weight maintenance intervention to promote fat loss in pregnant individuals with obesity

Differential effects of a stakeholder-informed intensive perinatal eHealth behavioral weight gain intervention between non-Hispanic Black and non-Hispanic White individuals: a secondary analysis of a randomized clinical trial

Effects of E-Cigarettes on the Lung and Systemic Metabolome in People with HIV

Evaluating the Validity of the PortionSize Smartphone Application for Estimating Dietary Intake in Free-Living Conditions: A Pilot Study

A scalable, virtual weight management program tailored for adults with type 2 diabetes: effects on glycemic control

Initial weight loss and early intervention adherence predict long‐term weight loss during the Promoting Successful Weight Loss in Primary Care in Louisiana lifestyle intervention

Physical activity and weight loss in a pragmatic weight loss trial

Dietary intake during a pragmatic cluster-randomized weight loss trial in an underserved population in primary care

A scalable, virtual weight management program tailored for adults with type 2 diabetes: effects on glycemic control

Physical activity and weight loss in a pragmatic weight loss trial

Effects of acute arginine supplementation on neuroendocrine, metabolic, cardiovascular, and mood outcomes in younger men: A double-blind, placebo-controlled trial

Mediators of weight change in underserved patients with obesity: exploratory analyses from the Promoting Successful Weight Loss in Primary Care in Louisiana (PROPEL) cluster-randomized trial

Comparison of weight loss data collected by research technicians versus electronic medical records: the PROPEL trial

Assessing the Initial Validity of the PortionSize App to Estimate Dietary Intake Among Adults: Pilot and Feasibility App Validation Study

Collaborators (14)

David A. Welsh

Hui-Yi Lin

Lynne Wilkens

Sanjoy Saha

Rachel Novotny

Christopher Taylor

Monique LeBlanc

Brian E. Roe

James Dorling

Frank Greenway

Kristen Boyle

Robbie Beyl

Robert Newton

Emily Flanagan

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