Evidence map›Paper›PMID 42361304›Full record

ArticleJournal of pediatric psychology2026

Evaluating the association of adolescent and caregiver grit with hemoglobin A1c in adolescents with type 1 diabetes.

Herodes Guzman, Nathan D Markiewitz, Julie M Gettings, Diana Olivos-Stewart, Joshua Moyer, Steven M Willi

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Article in Journal of pediatric psychology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Herodes GuzmanDivision of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA, United States.ORCID 0000-0002-5474-3446
Nathan D MarkiewitzDivision of General Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States.ORCID 0000-0002-9427-6918
Julie M GettingsDivision of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA, United States.ORCID 0009-0008-3639-0510
Diana Olivos-StewartDivision of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA, United States.
Joshua MoyerDivision of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA, United States.
Steven M WilliDivision of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA, United States.ORCID 0000-0002-4910-2425

Funding

MEDICAL GENETICS RESEARCH TRAINING GRANTT32GM008638 · NIGMS · UNIVERSITY OF PENNSYLVANIA · PI Rebecca Ganetzky · 1997 to 2026
$8.7M
National Institute of General Medical Sciences T32 5T32GM008638-27NIGMS NIH HHS T32 GM008638
6 · The paper itself

Abstract

objective"Grit" is a personality construct defined as the tendency to work toward long-term goals and may influence chronic disease management behaviors in type 1 diabetes. We sought to determine whether adolescent and caregiver grit are associated with hemoglobin A1c in adolescents with type 1 diabetes. We also evaluated the relationship between adolescent and caregiver self-control, another construct already explored in type 1 diabetes, with hemoglobin A1c to determine whether similar patterns of association are observed.

methodsWe performed a single-center, cross-sectional study of 114 adolescents with type 1 diabetes and their primary diabetes caregiver. Patients were English-speaking, 13-15 years old, and had diabetes for ≥2 years. Using unadjusted and adjusted regression models, we examined the relationship between adolescent and caregiver grit and hemoglobin A1c. Unadjusted and adjusted effect estimates are also reported for adolescent and caregiver self-control with hemoglobin A1c.

resultsAfter confounding adjustment, higher adolescent grit was associated with a lower hemoglobin A1c (B = -0.5% [-0.8 to -0.2] or -5 mmol/mol [-9 to -2]). Caregiver grit was not associated with adolescent hemoglobin A1c. We observed similar associations between self-control and hemoglobin A1c.

conclusionsTo our knowledge, this is the first study to examine the relationship between grit and hemoglobin A1c among adolescents with type 1 diabetes. Adolescents with more grit had lower hemoglobin A1c values than those with less grit. These findings suggest that longitudinal studies to evaluate this association further are warranted. Trials testing the efficacy of behavioral interventions to augment grit and improve glycemic stability can then follow.

Indexed as

adolescentschronic illnessdiabetesendocrinologyfamily functioninghealth behaviorresilience

Identifiers

PMID42361304
PMCPMC13521126

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.