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      Factors Associated with Insulin Nonadherence in Type 1 Diabetes Mellitus Patients in Mexico

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          Abstract

          Background: Lack of adherence to insulin therapy is common among patients with type 1 diabetes. Factors associated with insulin omission in adult persons with type 1 diabetes in Latin America have not been studied in detail. Objectives: To investigate factors associated with insulin nonadherence including the presence of psychological disorders (disordered eating behaviors and depression) in adult patients with type 1 diabetes. Methods: Cross-sectional study including 104 consecutive adults (≥18 years old) attending a tertiary care center in Mexico City. Adherence to insulin therapy was measured with a specific item in a questionnaire. Sociodemographic data and factors related to insulin omission, including validated questionnaires to evaluate disordered eating behavior and depression, were collected and compared between the nonadherent and adherent groups with parametric or nonparametric statistical tests, as appropriate. Results: We classified 51 (49.1%) patients as nonadherent and 53 (50.9%) as adherent. Adherent subjects reported that they planned their activities around insulin application more often than the nonadherent subjects did (43.4 vs. 23.5%, p = 0.032). In a logistic regression model, fear of hypoglycemia (OR = 11.39) and economic reasons (OR = 6.02) were independently associated with insulin adherence. Presence of disordered eating behavior was identified in 14.4% of subjects, the majority belonging to the nonadherent group. Conclusions: Only 50% of the patients with type 1 diabetes were adherent. The principal factors associated with nonadherence were economic reasons and fear of hypoglycemia.

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          Correlates of Insulin Injection Omission

          OBJECTIVE The purpose of this study was to assess factors associated with patient frequency of intentionally skipping insulin injections. RESEARCH DESIGN AND METHODS Data were obtained through an Internet survey of 502 U.S. adults self-identified as taking insulin by injection to treat type 1 or type 2 diabetes. Multiple regression analysis assessed independent associations of various demographic, disease, and injection-specific factors with insulin omission. RESULTS Intentional insulin omission was reported by more than half of respondents; regular omission was reported by 20%. Significant independent risk factors for insulin omission were younger age, lower income and higher education, type 2 diabetes, not following a healthy diet, taking more daily injections, interference of injections with daily activities, and injection pain and embarrassment. Risk factors differed between type 1 and type 2 diabetic patients, with diet nonadherence more prominent in type 1 diabetes and age, education, income, pain, and embarrassment more prominent in type 2 diabetes. CONCLUSIONS Whereas most patients did not report regular intentional omission of insulin injections, a substantial number did. Our findings suggest that it is important to identify patients who intentionally omit insulin and be aware of the potential risk factors identified here. For patients who report injection-related problems (interference with daily activities, injection pain, and embarrassment), providers should consider recommending strategies and tools for addressing these problems to increase adherence to prescribed insulin regimens. This could improve clinical outcomes.
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            Association between adherence and glycemic control in pediatric type 1 diabetes: a meta-analysis.

            Although adherence has been identified in practice guidelines for youth with type 1 diabetes to promote optimal glycemic control, there has been no systematic integration of studies investigating the adherence-glycemic control link. This recommendation partly stemmed from the Diabetes Control and Complications Trial (DCCT); however, this trial did not comprehensively measure adherence and had only 195 adolescents. Our goal was to determine the magnitude of the adherence-glycemic control link in pediatric type 1 diabetes and evaluate its correlates. Our data sources were PubMed (1950-2008), Scopus (1950-2008), and references from reviews in pediatric type 1 diabetes. Studies that included youth under age 19 with type 1 diabetes and a reported association between adherence and glycemic control were eligible for inclusion. Articles were not included if they contained youth with type 2 diabetes, had study samples that overlapped with other studies, or the results came from intervention studies. Of the eligible 26 studies, 21 had sufficient statistical data. Two authors independently extracted information by using a standardized protocol. Agreement between coders was high. The mean effect size across 21 studies, including 2492 youth with type 1 diabetes, was -0.28 (95% confidence interval: -0.32 to -0.24). As adherence increases, A1c values decrease. No sample or disease characteristics were correlates of the adherence-glycemic control link. Pre-DCCT studies had a mean effect size of -0.32 (8 studies; 1169 participants) compared with -0.25 in post-DCCT studies (13 studies; 1323 participants). This meta-analysis supports the adherence-glycemic control link in pediatric type 1 diabetes. The weaker post-DCCT association suggests that the approach to intensive diabetes management has shortcomings. We conclude that this is because of a mismatch between what scientists and clinicians know is the best way to manage pediatric type 1 diabetes and the capabilities of youth and their families.
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              The Patient-Provider Relationship: Attachment Theory and Adherence to Treatment in Diabetes

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                Author and article information

                Journal
                IJD
                10.1159/issn.2073-5944
                International Journal of Diabetes and Metabolism
                S. Karger AG
                1606-7754
                2073-5944
                2019
                October 2020
                11 September 2019
                : 25
                : 3-4
                : 139-147
                Affiliations
                aDepartamento de Endocrinología y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
                bUnidad de Investigación de Enfermedades Metabólicas, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
                cInstituto de Oftalmología Fundación Conde de Valenciana IAP, Mexico City, Mexico
                dCentro de Atención Integral del Paciente con Diabetes, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
                Author notes
                *Roopa Mehta, Unidad de Investigación de Enfermedades Metabólicas, Departamento de Endocrinología y Metabolismo, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Belisario Domínguez Sección XVI, Tlalpan, Ciudad de Mexico, 14080 (Mexico), E-Mail roopamehta@yahoo.com
                Article
                502903 Int J Diabetes Metab 2019;25:139–147
                10.1159/000502903
                © 2019 The Author(s) Published by S. Karger AG, Basel

                This article is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND). Usage and distribution for commercial purposes as well as any distribution of modified material requires written permission. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                Page count
                Tables: 4, Pages: 9
                Categories
                Case Challenge and Education – Research Article

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