Cited by 19Gestational Diabetes Research and ManagementDiabetes, Cardiovascular Risks, and LipoproteinsMaternal and Neonatal Healthcare

Ethnic Differences in Characteristics of Women Diagnosed With Early Gestational Diabetes: Findings From the TOBOGM Study

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Yuen, Lili, Wong, Vincent, Immanuel, Jincy, Hague, William M, Cheung, N Wah, Teede, Helena, Hibbert, Emily, Nolan, Christopher J +10 more·2025·The Journal of Clinical Endocrinology & Metabolism

Abstract

Objective: To compare the prevalence and clinical characteristics of early gestational diabetes (eGDM) and associated birth outcomes among women of different ethnic groups. Methods: This is a secondary analysis of an international, multicenter randomized controlled trial of treating eGDM among pregnant women with GDM risk factors enrolled at < 20 weeks’ gestation. GDM diagnosis was made using WHO-2013 criteria. Ethnicity was classified by self-identification. While Europids required at least one risk factor for recruitment, for others, ethnicity itself was a risk factor. Results: Among women of Europid (n = 1567), South Asian (SA: n = 971), East and South-East Asian (ESEA: n = 498), Middle Eastern (ME: n = 242), and Māori and Pasifika (MP: n = 174) ethnicities; MP (26.4%) had the highest eGDM crude prevalence compared with Europid (20.3%), SA (24.7%), ESEA (22.3%), and ME (21.1%) (P < .001). Compared with Europid, the highest eGDM adjusted odds ratio (aOR) was seen in SA (2.43 [95% CI 1.9-3.11]) and ESEA (aOR 2.28 [95% CI 1.68-3.08]); in late GDM, SA had the highest prevalence (20.4%: aOR 2.16 [95% CI 1.61-2.9]). Glucose patterns varied between ethnic groups and ESEA were predominantly diagnosed with eGDM through post-glucose load values, while all other ethnic groups were mainly diagnosed on fasting glucose values. There were no differences in the eGDM composite primary outcome or neonatal and pregnancy-related hypertension outcomes between the ethnic groups. Conclusion: In women with risk factors, eGDM was most prevalent in SA and ESEA women, particularly identified by the post-glucose load samples. These findings suggest an early oral glucose tolerance test should particularly be performed in women from these ethnic groups.

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  1. [68]International Diabetes Federation. IDF Diabetes Atlas. 10th ed. International Diabetes Federation; 2021. Accessed August 23, 2022. https://diabetesatlas.org/atlas/tenth-edition/

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Authors
Yuen, L., Wong, V., Immanuel, J., Hague, W. M., Cheung, N. W., Teede, H., Hibbert, E., Nolan, C. J., Peek, M., Flack, J. R., McLean, M., Sweeting, A., Kautzky-Willer, A., Harreiter, J., Gianatti, E., Mohan, V., Backman, H., & Simmons, D.
Affiliations
  • Western Sydney University (AU)
  • Liverpool Hospital (AU)
  • The University of Adelaide (AU)
  • Westmead Hospital (AU)
  • Monash University (AU)
  • The University of Sydney (AU)
  • Australian National University (AU)
  • Bankstown Lidcombe Hospital (AU)
  • Blacktown & Mount Druitt Hospital (AU)
  • Royal Prince Alfred Hospital (AU)
  • Division of Endocrinology and Metabolism, Medical University of Vienna , 1010 Wien ,
  • Medical University of Vienna (AT)
  • Fiona Stanley Hospital (AU)
  • Madras Diabetes Research Foundation (IN)
  • Örebro University (SE)
Corresponding author
Simmons, David
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2024-12-06
Volume
110
Issue
8
Pages
e2471-e2484
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W4405223272
Cited by
18
References
65
Citations by year
2026: 11 · 2025: 7
FWCI
9.97
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • ANU Open Research (Australian National University) (submittedVersion, cc-by-nc-nd)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion, cc-by-nc-nd)
Funders
  • National Health and Medical Research Council (1104231, 2009326)
  • Region Örebro Research Committee (OLL-970566, OLL-942177)
  • South Western Sydney Local Health District Academic Unit
  • Western Sydney University Ainsworth Trust
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Gestational Diabetes Research and Management
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Health Professions › General Health Professions › Maternal and Neonatal Healthcare
Keywords
ethnic differences, South Asian women, GDM prevalence, GDM risk factors, oral glucose tolerance test, fasting blood glucose, birth outcomes, pregnancy-related hypertension, neonatal outcomes
MeSH terms
Secondary Data Analysis, Adult, Ethnicity, Female, Humans, Pregnancy, Pregnancy Outcome, Risk Factors, Prevalence, Diabetes, Gestational, Young Adult

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