Numeracy skills and glycemic control in an observational, multi-centre, cross-sectional, and international study of children with Type 1 Diabetes
Authors' conclusion
Numeracy, as assessed by an international general math test, is a good predictor of HbA1c in children and adolescents with type 1 diabetes. The basic and short WMT is a potentially effective tool in personalized clinical pediatric diabetes practice. Therapy planning should consider adjusting therapy to compensate for lower numeracy skills and/or training to improve the patient's numerical proficiency.
Study context
- Population
- Adolescents aged 12–18 years with T1D, 7 centres of the Hvidoere Study Group; mean age 14.96 ± 1.68 years, diabetes duration 6.57 (±3.75)
- Participants
- 306 adolescents
- Outcome
- Association between numeracy skills (DNT-5 and WMT) and HbA1c
Methodological detailsobservational, multi-centre, international
- Observational
- Multi-centre
- International
Main finding
As reported in the abstract
Numeracy as predictor of HbA1c
- Correlation between observed and predicted HbA1c, training dataset (N = 155)
- 0.34
- Correlation between observed and predicted HbA1c, test dataset (N = 61)
- 0.37
- Difference in correlation between datasets
- p = 0.412
Observational data: associations, not effects.
Further findings
Effect size of Wordless Mathematical Test (WMT)-based adjusted predictive model of HbA1c vs single-parameter-based model
- Effect size significantly higher for the WMT-based model adjusted for clinical and socioeconomic factors than the single-parameter-based model
- P < 0.05
Original publication
Numeracy skills and glycemic control in an observational, multi-centre, cross-sectional, and international study of children with Type 1 Diabetes. Horm Res Paediatr. Published 24 April 2025. doi:10.
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