Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/75542
Title: Effectiveness of internet-based multicomponent interventions for patients and health care professionals to improve clinical outcomes in type 2 diabetes evaluated through the indica study: Multiarm cluster randomized controlled trial
Authors: Ramallo Fariña, Yolanda 
García-Bello, Miguel Angel
García-Pérez, Lidia
Boronat Cortés, Mauro 
Wägner, Ana María 
Rodríguez-Rodríguez, Leticia
De Pablos-Velasco, Pedro 
Llorente Gómez de Segura, Ignacio
González-Pacheco, Himar
Carmona Rodríguez, Montserrat
Serrano-Aguilar, Pedro
UNESCO Clasification: 320104 Patología clínica
320502 Endocrinología
320610 Enfermedades de la nutrición
240208 Hábitos alimentarios
3212 Salud pública
Keywords: Behavior Modification
Ehealth
Patients Adherence
Primary Care
Type 2 Diabetes Mellitus
Issue Date: 2020
Journal: JMIR mHealth and uHealth 
Abstract: Background: Type 2 diabetes mellitus (T2DM) is a chronic disease in which health outcomes are related to decision making by patients and health care professionals. Objective: This study aims to assess the effectiveness of internet-based multicomponent interventions to support decision making of all actors involved in the care of patients with T2DM in primary care. Methods: The INDICA study is an open, community-based, multicenter trial with random allocation to usual care or the intervention for patients, the intervention for health care professionals in primary care, or the combined intervention for both. In the intervention for patients, participants received an educational group program and were monitored and supported by logs, a web-based platform, and automated SMS. Those in the intervention for professionals also received an educational program, a decision support tool embedded in the electronic clinical record, and periodic feedback about patients' results. A total of 2334 people with T2DM, regardless of glycated hemoglobin (HbA1c) levels and without diabetes-related complications, were included. The primary end point was change in HbA1c level. The main analysis was performed using multilevel mixed models. Results: For the overall sample, the intervention for patients attained a significant mean reduction in HbA1c levels of 0.27 (95% CI 0.45 to 0.10) at month 3 and 0.26 (95% CI 0.44 to 0.08) at month 6 compared with usual care, which remained marginally significant at month 12. A clinically relevant reduction in HbA1c level was observed in 35.6% (191/537) of patients in the intervention for patients and 26.0% (152/586) of those in usual care at month 12 (P=.006). In the combined intervention, HbA1c reduction was significant until month 18 (181/557, 32.6% vs 140/586, 23.9%; P=.009). Considering the subgroup of patients uncontrolled at baseline, all interventions produced significant reductions in HbA1c levels across the entire study period: 0.49 (95% CI 0.70 to 0.27) for the intervention for patients, 0.35 (95% CI 0.59 to 0.14) for the intervention for professionals, and 0.35 (95% CI 0.57 to 0.13) for the combined intervention. Differences in HbA1c for the area under the curve considering the entire period were significant for the intervention for patients and the combined intervention compared with usual care (P=.03 for both). Compared with usual care, the intervention for professionals and the combined intervention had significant longer-term reductions in systolic and diastolic blood pressure. Conclusions: In uncontrolled patients, the intervention for patients at baseline provided clinically relevant and significant longer-term reductions of HbA1c levels. The intervention for professionals and combined intervention also improved the cardiovascular risk profile of patients.
URI: http://hdl.handle.net/10553/75542
ISSN: 2291-5222
DOI: 10.2196/18922
Source: JMIR mHealth and uHealth [EISSN 2291-5222], v. 8 (11), e18922, (Noviembre 2020)
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