Cited by 44Diabetes Management and ResearchDiabetes Management and EducationDiabetes and associated disorders

Detecting intentional insulin omission for weight loss in girls with type 1 diabetes mellitus

Pinhas‐Hamiel, Orit, Hamiel, Uri, Greenfield, Yuval, Boyko, Valentina, Graph‐Barel, Chana, Rachmiel, Marianna, Lerner‐Geva, Liat, Reichman, Brian·2013·International Journal of Eating Disorders

Abstract

Objective: Intentional insulin omission is a unique inappropriate compensatory behavior that occurs in patients with type 1 diabetes mellitus, mostly in females, who omit or restrict their required insulin doses in order to lose weight. Diagnosis of this underlying disorder is difficult. We aimed to use clinical and laboratory criteria to create an algorithm to assist in the detection of intentional insulin omission. Method: The distribution of HbA1c levels from 287 (181 females) patients with type 1 diabetes were used as reference. Data from 26 patients with type 1 diabetes and intentional insulin omission were analysed. The Weka (Waikato Environment for Knowledge Analysis) machine learning software, decision tree classifier with 10‐fold cross validation was used to developed prediction models. Model performance was assessed by cross‐validation in a further 43 patients. Results: Adolescents with intentional insulin omission were discriminated by: female sex, HbA1c>9.2%, more than 20% of HbA1c measurements above the 90th percentile, the mean of 3 highest delta HbA1c z‐scores>1.28, current age and age at diagnosis. The models developed showed good discrimination (sensitivity and specificity 0.88 and 0.74, respectively). The external test dataset revealed good performance of the model with a sensitivity and specificity of 1.00 and 0.97, respectively. Discussion: Using data mining methods we developed a clinical prediction model to determine an individual's probability of intentionally omitting insulin. This model provides a decision support system for the detection of intentional insulin omission for weight loss in adolescent females with type 1 diabetes mellitus. © 2013 Wiley Periodicals, Inc. (Int J Eat Disord 2013; 46:819–825)

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Crossref · 10.1002/eat.22138

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Authors
Pinhas‐Hamiel, O., Hamiel, U., Greenfield, Y., Boyko, V., Graph‐Barel, C., Rachmiel, M., Lerner‐Geva, L., & Reichman, B.
Affiliations
  • Tel Aviv University (IL)
  • Sheba Medical Center (IL)
  • The Women and Children's Health Research Unit, Gertner Institute Tel Hashomer, Ramat‐Gan Israel
  • Maccabi Healthcare Services (IL)
  • Assaf Harofeh Medical Center (IL)
Corresponding author
Pinhas‐Hamiel, Orit
Venue
International Journal of Eating Disorders
Publisher
Wiley
Published
2013-05-15
Volume
46
Issue
8
Pages
819-825
ISSN
  • 0276-3478 (ISSN-L)
  • 1098-108X
OpenAlex
W1599308405
Cited by
44
References
33
Citations by year
2026: 2 · 2025: 1 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 6 · 2020: 5 · 2019: 3 · 2018: 6 · 2017: 5 · 2016: 2 · 2015: 2 · 2014: 3
FWCI
1.84
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Eating Disorders (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Education
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
type 1 diabetes, adolescent girls, weight loss, HbA1c, glycemic variability, decision tree classification, prediction model, clinical decision support, eating disorder comorbidity, compensatory behavior
MeSH terms
Adolescent, Adult, Age Factors, Feeding and Eating Disorders, Child, Child, Preschool, Decision Trees, Diabetes Mellitus, Type 1, Female, Glycated Hemoglobin, Humans, Insulin, Male, Patient Compliance, Sex Factors, Weight Loss, Case-Control Studies, Intention, Young Adult

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