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This 3-armed randomized controlled trial aims to evaluate the effectiveness of The Microclinic Behavioral Health Program in improving obesity and diabetes risk factors through a behavioral intervention program structured to enhance and promote social-network interactions and social support. The full version of the Microclinic Behavioral Health Program (Full MCP) with program-activated social-network interactions-with shared access to diabetes education, technology, and group support to promote weight and metabolic control through diet, exercise, medication adherence, and blood pressure management. Participants play a role in the collective effort to combat diabetes and solidifying self-management behavioral skills through peer-monitoring and encouragement of lifestyle behaviors. The study may yield valuable information on the impact of social support and social network interactions for enhancing body weight and blood sugar control. We compare the full MCP intervention, to a basic MCP intervention with more limited classroom interaction, and to an parallel monitoring control arm. And we aim to understand how metabolic changes over time relate to the cross-propagation of health behaviors between persons in social networks.
This Microclinic Behavioral Health Program was established in collaboration with the Royal Health Awareness Society (RHAS) and the Jordanian Ministry of Health (MoH).
Full description
I. Objectives
Because social network-based programs have shown promise as a viable public health intervention strategy, we designed the MCP program to leverage existing social relationships to propagate positive health behaviors in efforts to prevent and manage obesity and diabetes. We conduct a trial to examine the effectiveness of the Microclinic Behavioral Health Program via 3 arm trial in Jordan of a 6 month intervention with 2 years followup.
Furthermore, we aim to uncover the social mechanism of the intervention -- notably to define the pathways through which the social network behavioral health program worked by partitioning the different social network processes of direct causal induction (i.e. change catalyzed by a social network) from homophilly (i.e. where social networks are formed based on similar health behaviors), and confounding (i.e. correlation with exogenous shared variable). Notably, we seek to determine the presence of the amplification of metabolic changes over time due to the cross-propagation of health behaviors between persons in a social network.
II. Study Design
Randomized Control Study: This study is a randomized control study of adults (>= 18 years old) with Type 2 diabetes mellitus, pre-diabetes, or at risk for diabetes, who will be randomly assigned to an intervention group consisting of the Microclinic Behavioral Health Enhanced Program (Group A), a group who will receive the Microclinic Behavioral Health Basic Program without the social network components (Group B) , and controls receiving standard care and risk factor monitoring (Group C).
III. Study Procedures
a. Participant Recruitment (1-3 months) The aim of recruitment is to inform individuals with diabetic, pre-diabetic, or at risk for diabetes in the community about the microclinic study, and encourage patients to participate. The recruitment process will consist of interconnected strategies including: 1) the distribution of posters and invitations in four catchment areas, and a broader media campaign, and 2) recruitment by nurses through clinics in two pilot locations around Amman.
Recruitment: Outreach strategies to recruit patients at risk for diabetes and with Type 2 diabetes include: a) The Royal Health Awareness Society will lead an outreach effort to spread the word about the Microclinic Social Network Behavioral Health Trial. The effort will involve distribution of posters and flyers in the public sphere, and, if possible, airing of radio or television spots. b) At the three assigned Ministry of Health local health centers, a Project Officer for each center will work with Project nurses trained in research, Institutional Review Board approved protocol, and data collection to recruit patients at risk for diabetes, pre-diabetes, and with type 2 diabetes to the Microclinic Social Network Behavioral Health Trial.
Potential participants, consisting of both local residents and refugees in Jordan will be contacted by phone or referred to the trial in person during their visit to local Jordan Ministry of Health centers and asked if they would be willing to participate.
Group A shall receive the 6 month Microclinic Behavioral Health Full Program, via trained Project Nurses, and a classroom curriculum that will increase the knowledge and skills in diabetes self-management and peer support and monitoring. The educational curriculum includes sessions on the causes of diabetes, prevention of complications, symptoms, self-management strategies, diet, exercise, but with emphasis on peer monitoring, social support, and structured social interactions. Each session is 2-3 hours.
Group B receiving a modified Microclinic Behavioral Health Basic Program that has the same educational curriculum and classroom setting, but a modified version that does not emphasize the importance of social support, without structured social interaction enhancing components. Group C receiving no intervention and therefore, standard care as the control group, with parallel measurement of risk factors (to alleviate monitoring bias).
A critical component of this project is the evaluation aimed at assessing the long term efficacy and sustainability of the Microclinic interventions in improving body weight and glucose in a resource limited setting over a 2 year time span. The program evaluation will collect demographic, medical history, clinical data, behavioral data from all participants during the 6 month main program as well as at 2 years after baseline.
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Inclusion criteria
Exclusion criteria
participants who are not diagnosed with type 2 diabetes, pre-diabetes, or 'at-risk for diabetes'
are not able to provide informed consent due to mental illness
women who are pregnant.
'At-risk of diabetes' is defined as either: a) having a history of diabetes in close family AND being overweight/obese, or b) having a family history of diabetes AND having either high BP or high serum cholesterol.
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914 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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