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Ruiz PL, Hopstock LA, Eggen AE, et al. Undiagnosed diabetes based on HbA. BMJ Open Diabetes Res Care. 2021;9(2)doi: 10.1136/bmjdrc-2021-002423.
Ruiz, P. L., Hopstock, L. A., Eggen, A. E., Njølstad, I., Grimnes, G., Stene, L. C., & Gulseth, H. L. (2021). Undiagnosed diabetes based on HbA. BMJ open diabetes research & care, 9(2), . https://doi.org/10.1136/bmjdrc-2021-002423
Ruiz, Paz Lopez-Doriga, et al. "Undiagnosed diabetes based on HbA." BMJ open diabetes research & care vol. 9,2 (2021). doi: https://doi.org/10.1136/bmjdrc-2021-002423
Ruiz PL, Hopstock LA, Eggen AE, Njølstad I, Grimnes G, Stene LC, Gulseth HL. Undiagnosed diabetes based on HbA. BMJ Open Diabetes Res Care. 2021 Nov;9(2). doi: 10.1136/bmjdrc-2021-002423. PMID: 34782335; PMCID: PMC8593698.
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BMJ Open Diabetes Res Care. 2021 Nov;9(2). doi: 10.1136/bmjdrc-2021-002423.

Undiagnosed diabetes based on HbA.

BMJ open diabetes research & care

Paz Lopez-Doriga Ruiz, Laila Arnesdatter Hopstock, Anne Elise Eggen, Inger Njølstad, Guri Grimnes, Lars C Stene, Hanne L Gulseth

Affiliations

  1. Department of Chronic Diseases and Ageing, Norwegian Institute of Public Health, Oslo, Norway [email protected].
  2. Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Oslo, Norway.
  3. Department of Community Medicine, UiT The Artic University of Norway, Tromsø, Norway.
  4. Pandemic Unit, Tromsø Municipality, Tromsø, Norway.
  5. Department of Clinical Medicine, The Artic University of Norway, Tromsø, Norway.
  6. Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway.
  7. Department of Chronic Diseases and Ageing, Norwegian Institute of Public Health, Oslo, Norway.

PMID: 34782335 PMCID: PMC8593698 DOI: 10.1136/bmjdrc-2021-002423

Abstract

INTRODUCTION: We aimed to investigate whether the proportion of undiagnosed diabetes varies by socioeconomic status and healthcare consumption, in a Norwegian population screened with glycated hemoglobin (HbA

RESEARCH DESIGN AND METHODS: In this cohort study, we studied age-standardized diabetes prevalence using data from men and women aged 40-89 years participating in four surveys of the Tromsø Study with available data on HbA

RESULTS: Higher education was associated with lower prevalence of diagnosed and undiagnosed diabetes. Those with secondary and tertiary education had lower prevalence of undiagnosed diabetes (aPR for tertiary vs primary: 0.54, 95% CI: 0.44 to 0.66). Undiagnosed as a proportion of all diabetes was also significantly lower in those with tertiary education (aPR:0.78, 95% CI: 0.65 to 0.93). Household income was also negatively associated with prevalence of undiagnosed diabetes. Across the surveys, approximately 80% of those with undiagnosed diabetes had been in contact with a general practitioner the last year, similar to those without diabetes.

CONCLUSIONS: Undiagnosed diabetes was lower among participants with higher education. The hypothesis that those with undiagnosed diabetes had been less in contact with a general practitioner was not supported.

© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

Keywords: diagnosis; education; epidemiology

Conflict of interest statement

Competing interests: None declared.

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