Core outcome set for diabetes after pregnancy prevention across the life span: international Delphi study

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  • Nancy Wu, Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, McGill University, Montreal, Quebec, Canada
  • Sharleen O'Reilly, University College Dublin, Dublin, Irland
  • Karoline Kragelund Nielsen, Health Promotion Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark, Danmark
  • Helle Terkildsen Maindal
  • Kaberi Dasgupta, Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, McGill University, Montreal, Quebec, Department of Medicine, Faculty of Medicine, McGill University, Montreal, Quebec, Canada

INTRODUCTION: Mothers with gestational diabetes mellitus (GDM) are at high risk of future diabetes. An active area of research examines health behavior change strategies in women within 5 years of a GDM pregnancy to prevent diabetes after pregnancy. We aimed to develop a core outcome set (COS) to facilitate synthesis and comparison across trials.

RESEARCH DESIGN AND METHODS: Candidate outcomes were identified through systematic review and scored for importance (1-9) by healthcare professionals, researchers, and women with prior GDM through an international two-round electronic-Delphi survey. Outcomes retained required round two scores above prespecified thresholds (≥70% scoring 7-9) or expert panel endorsement when scores were indeterminate. The panel organized the COS by domain.

RESULTS: 115 stakeholders participated in the survey and 56 completed both rounds. SD of scores decreased by 0.24 (95%CI 0.21 to 0.27) by round 2, signaling convergence. The final COS includes 19 domains (50 outcomes): diabetes (n=3 outcomes), other related diseases (n=3), complications in subsequent pregnancy (n=2), offspring outcomes (n=3), adiposity (n=4), cardiometabolic measures (n=5), glycemia (n=3), physical activity (n=2), diet (n=4), breast feeding (n=2), behavior change theory (n=5), diabetes-related knowledge (n=2), health literacy (n=1), social support (n=1), sleep (n=1), quality of life (n=1), program delivery (n=4), health economic evaluation (n=2), and diabetes risk screening (n=2). The seven outcomes endorsed by ≥90% were diabetes development and GDM recurrence, attending the postpartum diabetes screening and completing oral glucose tolerance testing and/or other glycemia measures, weight and total energy intake, and health behaviors in general. Among the 15 at the 80%-90% endorsement level, approximately half were specific elements related to the top 7, while the remainder related to diabetes knowledge, personal risk perception, motivation for change, program element completion, and health service use and cost.

CONCLUSION: Researchers should collect and report outcomes from the breadth of domains in the COS.

OriginalsprogEngelsk
Artikelnummere001594
TidsskriftBMJ Open Diabetes Research and Care
Vol/bind8
Nummer2
Antal sider10
ISSN2052-4897
DOI
StatusUdgivet - nov. 2020

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© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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