Evidence map›Paper›PMID 41419186›Full record

ArticleEndocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists2026

Role of Glycemia, Vitamin D, and Physical Activity in Bone Mineral Density in Youth With Type 1 Diabetes.

Nessa Tantivit, Lisa K Volkening, Nora E Renthal, Christina M Jacobsen, Lori M Laffel

Abstract read
In one paragraph

Article in Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists, 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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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Nessa TantivitJoslin Diabetes Center, Harvard Medical School, Boston, Massachusetts; Department of Pediatrics, Division of Endocrinology, Boston Children's Hospital, Boston, Massachusetts.
Lisa K VolkeningJoslin Diabetes Center, Harvard Medical School, Boston, Massachusetts.
Nora E RenthalDepartment of Pediatrics, Division of Endocrinology, Boston Children's Hospital, Boston, Massachusetts.
Christina M JacobsenDepartment of Pediatrics, Division of Endocrinology, Boston Children's Hospital, Boston, Massachusetts.
Lori M LaffelJoslin Diabetes Center, Harvard Medical School, Boston, Massachusetts; Department of Pediatrics, Division of Endocrinology, Boston Children's Hospital, Boston, Massachusetts. Electronic address: lori.laffel@joslin.harvard.edu.

Funding

SPECIAL ASSAY COREP30DK036836 · NIDDK · JOSLIN DIABETES CENTER · PI ROHIT N. KULKARNI · 1986 to 2026
$50.5M
TRAINING IN DIABETES AND METABOLISMT32DK007260 · NIDDK · JOSLIN DIABETES CENTER · PI LAURIE J GOODYEAR · 1986 to 2026
$13.6M
NIDDK NIH HHS P30 DK036836NIDDK NIH HHS T32 DK007260
6 · The paper itself

Abstract

objectivesTo evaluate bone mineral density (BMD) and identify factors associated with BMD in youth with type 1 diabetes (T1D)

methodsThis cross-sectional study included youth aged 8-17 years with T1D for ≥1 year. BMD was assessed using dual-energy x-ray absorptiometry. T1D-related data, anthropometrics, 25-hydroxyvitamin D (25OHD), and weight-bearing activities were analyzed.

resultsOne hundred twenty-four youth participated, with mean age 12.9 ± 2.5 years, diabetes duration 6.0 ± 3.2 years, body mass index (BMI) z-score 0.67 ± 0.81, hemoglobin A1c 8.1 ± 1.1%, glucose time-in-range (TIR) 49.1 ± 17.2%, glucose coefficient of variation (CV) 41.2 ± 7.5%, total daily insulin dose 0.9 ± 0.3 units/kg, 25OHD 29.4 ± 8.6 ng/mL, and energy expenditure from high-impact weight-bearing activities 215 ± 358 kcal/24 h; 73% used insulin pumps, 9% were vitamin D-deficient; 51% engaged in high-impact weight-bearing activities. Mean BMD z-score was -0.2 ± 1.0, lower than pediatric normative data (P = .007). BMD z-scores correlated with BMI z-scores (r = 0.32, P = .0002), TIR (r = 0.24, P = .007), 25OHD (r = 0.22, P = .01), and energy expenditure from high-impact weight-bearing activities (r = 0.20, P = .03). Vitamin D-deficient group had lower BMD z-scores (Δ0.7, P = .02). Those engaging in high-impact weight-bearing activities had higher BMD z-scores (Δ0.3, P = .03). No associations were found with diabetes duration, total daily insulin dose, pump use, or CV.

conclusionsYouth with T1D have slightly lower BMD compared with pediatric norms. Optimizing BMI, TIR, vitamin D, and high-impact weight-bearing activities may improve bone health in this population.

Indexed as

Blood GlucoseBone DensityDiabetes Mellitus, Type 1ExerciseVitamin DAbsorptiometry, PhotonAdolescentBody Mass IndexChildCross-Sectional StudiesFemaleHumansMale25-hydroxyvitamin DBlood GlucoseVitamin Dbone healthpediatricstype 1 diabetes

Identifiers

PMID41419186
PMCPMC13148551

What OpenQuestion holds

Textmetadata
LicenceTDM
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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.