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Education in diabetes mellitus with focus on social support: longitudinal study


Education in diabetes mellitus is an ongoing process to promote/encourage the acquisition of knowledge on self-care skills and control of the disease and this process can be facilitated by social support from family. The literature shows the benefits of educational interventions for people with diabetes mellitus, however, there are few studies on its long-term effects. Objective: To assess the effectiveness of educational interventions focusing on social support after two yrs. of its completion.


Quantitative/longitudinal study whose data before (T0) and after 12 months (T12) came from a clinical trial in which participants were given educational interventions through the “Conversation Maps in Diabetes”, tool and there was involvement of the family through an Intervention Group, done by phone calls. The third collection (T36) of data was from the population (N=164) that participated of clinical trial. The variables of interest was the knowledge of the disease/care, evaluated by “Diabetes Knowledge Scale” (DKN-A) validated in Brazil, and glycemic control assessed by glycated hemoglobin value obtained in electronic medical records. In the statistical analysis we used the nonparametric ANOVA for repeated measures.


Of the 164 participants (82 of the Intervention and 82 of the Control Group), 95 (50 and 45 respectively) were interviewed. There were differences in the values of knowledge (p-value=0.0004) and glycated hemoglobin (p-value=0.0001) in the studied time (Figure 1).

Figure 1
figure 1

Knowledge about the disease and glycated hemoglobin. Ribeirão Preto, 2015.


The highest score of knowledge was at T12 in both groups, with a reduction in T36, reiterating the importance of education as an ongoing process. As for glycemic control, family social support seems to have influenced the maintenance of results.


  1. Gomes Villas-Boas LC: Contribution of family social support on outcomes of educational interventions in people with diabetes mellitus: a randomized controlled trial. 2014, (Doctoral) Escola de Enfermagem de Ribeirão Preto – Universidade de São Paulo, Ribeirão Preto

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Correspondence to Danielle dos Santos Gomides.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.

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dos Santos Gomides, D., Villas-Boas, L.C.G., Alonso, J.B. et al. Education in diabetes mellitus with focus on social support: longitudinal study. Diabetol Metab Syndr 7 (Suppl 1), A183 (2015).

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