Evidence map›Paper›PMID 39950997›Full record

ArticleDiabetes care2025

Association Between Self-Monitored Blood Glucose and Continuous Glucose Monitoring in Youth With Type 1 Diabetes and Medicaid Insurance.

Janice Chan, Nicholas Jackson, Arianna Gonzalez Rebollar, Cynthia Santana, Giselle Perez de la Garza, Tannaz Moin, Jennifer K Yee, Estelle Everett

Abstract read
In one paragraph

Article in Diabetes care, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Blood Glucose Monitoring Expert Group and Best Practice Recommendation-FITTER BiG.Diabetes therapy : research, treatment and education of diabetes and related disorders · 2026
    Review
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Janice ChanDivision of Endocrinology, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA.ORCID 0009-0001-0106-2022
Nicholas JacksonStatistics Core, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA.
Arianna Gonzalez RebollarDavid Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA.
Cynthia SantanaDivision of Endocrinology, Diabetes, & Metabolism, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA.
Giselle Perez de la GarzaThe Lundquist Institute of Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA.
Tannaz MoinDivision of Endocrinology, Diabetes, & Metabolism, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA.ORCID 0000-0002-5035-6641
Jennifer K YeeThe Lundquist Institute of Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA.
Estelle EverettDivision of Endocrinology, Diabetes, & Metabolism, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA.ORCID 0000-0002-7468-296X

Funding

UCLA Clinical Translational Science InstituteUL1TR001881 · NCATS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI ARLEEN F. BROWN, ARASH NAEIM · 2016 to 2026
$118.1M
A Multi-Level Evaluation of California's New Medicaid Coverage for the Diabetes Prevention ProgramR18DK122372 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI DURU, OBIDIUGWU KENRIK · 2020 to 2024
$3.2M
The Impact of Reflective Motivation on the Effect of a Shared Decision Making Intervention for Diabetes PreventionR01DK127733 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI DURU, OBIDIUGWU KENRIK, MOIN, TANNAZ · 2021 to 2025
$3.0M
The UC DPP Study: Evaluating a Diabetes Prevention Initiative Across the University of California SystemR01DK124503 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI MOIN, TANNAZ · 2020 to 2023
$2.0M
Hybrid Closed Loop Insulin Pump use in Poorly Controlled Type 1 DiabetesK23DK132482 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI Estelle Marla Everett · 2022 to 2026
$946k
CDI Fellows Research Support Award for 2022 CDI-FRSA-07012022National Center for Advancing Translational Sciences UCLA CTSI Grant UL1TR001881NCATS NIH HHS UL1 TR001881NCCDPHP CDC HHS U18 DP006535NCCDPHP CDC HHS U18 DP006708NIDDK NIH HHS K23 DK132482NIDDK NIH HHS L40 DK129996NIDDK NIH HHS R01 DK124503NIDDK NIH HHS R01 DK127733NIDDK NIH HHS R18 DK122372
6 · The paper itself

Abstract

objectiveYouth with type 1 diabetes (T1D) and Medicaid must demonstrate they have self-monitored their blood glucose level at least four times daily to receive continuous glucose monitors (CGMs). New California Medicaid policies eliminated this requirement and, thus, CGM access has increased. This study examines whether infrequent baseline self-monitored blood glucose (SMBG) checks result in suboptimal outcomes or nonadherence with CGM use. RESEARCH DESIGN AND

methodsThis retrospective study included youth with T1D and Medicaid who started CGM after January 2019, when newer models no longer needed calibration, at two large health care systems. Patients were stratified by data on baseline SMBG frequency (<4 vs. ≥4 checks daily) collected at the clinic visit prior to starting CGM. Differences between SMBG groups in CGM adherence and HbA1c over time were assessed by a mixed-effects linear regression model and fixed-effect interaction term. Patients were surveyed to explore individual impact of CGM on diabetes management.

resultsWe followed 78 youth for 6 months. CGM adherence was similar between SMBG frequency groups at 3 months (68.7% vs. 68.4%; P = 0.97) and sustained at 6 months. HbA1c values improved in both groups at 3 months, with a larger improvement in those with SMBG <4 daily checks (1.3% vs. 0.4%), and sustained at 6 months. Patient surveys (n = 35) reported high engagement with CGM and increased insulin boluses after initiation.

conclusionsPatients using CGM demonstrated improvement in HbA1c regardless of prior SMBG. Increased engagement with CGM likely promoted increased insulin boluses. Therefore, restriction of CGM to those with SMBG ≥4 daily checks is an unnecessary barrier, excluding those who could potentially benefit the most.

Indexed as

Blood GlucoseBlood Glucose Self-MonitoringDiabetes Mellitus, Type 1MedicaidAdolescentChildContinuous Glucose MonitoringFemaleGlycated HemoglobinHumansMaleRetrospective StudiesUnited StatesBlood GlucoseGlycated Hemoglobin

Identifiers

PMID39950997
PMCPMC12081318

What Socratic holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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 Socratic graph.