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Feasibility and Performance of Hemoglobin A1C Self-Testing During COVID-19 Among African Americans With Type 2 Diabetes.
Woo, Jihun; Whyne, Erum Z; Wright, Jaylen I; Lehrer, H Matthew; Alhalimi, Taha A; Wang, Tianyu; Saba, Victoria C; Dubois, Susan K; Tanaka, Hirofumi; Brown, Sharon A; Steinhardt, Mary A.
  • Woo J; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Whyne EZ; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Wright JI; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Lehrer HM; Department of Psychiatry, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
  • Alhalimi TA; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Wang T; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Saba VC; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Dubois SK; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Tanaka H; Department of Internal Medicine, Dell Medical School, The University of Texas at Austin, Austin, Texas.
  • Brown SA; Department of Kinesiology and Health Education, College of Education, The University of Texas at Austin, Austin, Texas.
  • Steinhardt MA; School of Nursing, The University of Texas at Austin, Austin, Texas.
Sci Diabetes Self Manag Care ; 48(4): 204-212, 2022 08.
Article in English | MEDLINE | ID: covidwho-1879213
ABSTRACT

PURPOSE:

The purpose of the study was to determine the feasibility of implementing A1C self-testing at home using the A1CNow® Self Check and to compare the accuracy of the A1CNow to a reference standard in African Americans with type 2 diabetes (T2D).

METHODS:

African American adults with T2D were recruited from 13 different churches (N = 123). Phase 1, conducted during the early phase of the COVID-19 pandemic, examined the feasibility of A1C assessment using the A1CNow performed at home by untrained participants. Phase 2, conducted when in-person research resumed, compared A1C values concurrently measured using the A1CNow and the DCA Vantage™ Analyzer (reference standard) collected by research staff at church testing sites.

RESULTS:

In Phase 1, 98.8% of participants successfully completed at least 1 at-home A1C test; the overall failure rate was 24.7%. In Phase 2, the failure rate of staff-performed A1CNow testing was 4.4%. The Bland-Altman plot reveals that A1CNow values were 0.68% lower than DCA values, and the mean differences (A1CNow minus DCA) ranged from -2.6% to 1.2% with a limit of agreement between -1.9% to 0.5%.

CONCLUSIONS:

A1C self-testing is feasible for use in community settings involving African American adults with T2D. The A1CNow Self-Check underestimated A1C values when compared with the reference standard. Ongoing improvements in point-of-care devices have the potential to expand research and clinical care, especially in underserved communities.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: Diabetes Mellitus, Type 2 / COVID-19 Type of study: Diagnostic study / Prognostic study Limits: Adult / Humans Language: English Journal: Sci Diabetes Self Manag Care Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Diabetes Mellitus, Type 2 / COVID-19 Type of study: Diagnostic study / Prognostic study Limits: Adult / Humans Language: English Journal: Sci Diabetes Self Manag Care Year: 2022 Document Type: Article