Addressing Diabetes and Poorly Controlled Hypertension: Pragmatic mHealth Self-Management Intervention.

dc.contributor.author

Lewinski, Allison A

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Patel, Uptal D

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Diamantidis, Clarissa J

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Oakes, Megan

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Baloch, Khaula

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Crowley, Matthew J

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Wilson, Jonathan

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Pendergast, Jane

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Biola, Holly

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Boulware, L Ebony

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Bosworth, Hayden B

dc.date.accessioned

2023-08-09T17:13:35Z

dc.date.available

2023-08-09T17:13:35Z

dc.date.issued

2019-04

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2023-08-09T17:13:34Z

dc.description.abstract

Background

Patients with diabetes and poorly controlled hypertension are at increased risk for adverse renal and cardiovascular outcomes. Identifying these patients early and addressing modifiable risk factors is central to delaying renal complications such as diabetic kidney disease. Mobile health (mHealth), a relatively inexpensive and easily scalable technology, can facilitate patient-centered care and promote engagement in self-management, particularly for patients of lower socioeconomic status. Thus, mHealth may be a cost-effective way to deliver self-management education and support.

Objective

This feasibility study aimed to build a population management program by identifying patients with diabetes and poorly controlled hypertension who were at risk for adverse renal outcomes and evaluate a multifactorial intervention to address medication self-management. We recruited patients from a federally qualified health center (FQHC) in an underserved, diverse county in the southeastern United States.

Methods

Patients were identified via electronic health record. Inclusion criteria were age between 18 and 75 years, diagnosis of type 2 diabetes, poorly controlled hypertension over the last 12 months (mean clinic systolic blood pressure [SBP] ≥140 mm Hg and/or diastolic blood pressure [DBP] ≥90 mm Hg), access to a mobile phone, and ability to receive text messages and emails. The intervention consisted of monthly telephone calls for 6 months by a case manager and weekly, one-way informational text messages. Engagement was defined as the number of phone calls completed during the intervention; individuals who completed 4 or more calls were considered engaged. The primary outcome was change in SBP at the conclusion of the intervention.

Results

Of the 141 patients enrolled, 84.0% (118/141) of patients completed 1 or more phone calls and had follow-up SBP measurements for analysis. These patients were on average 56.9 years of age, predominately female (73/118, 61.9%), and nonwhite by self-report (103/118, 87.3%). The proportion of participants with poor baseline SBP control (50/118, 42.4%) did not change significantly at study completion (53/118, 44.9%) (P=.64). Participants who completed 4 or more phone calls (98/118, 83.1%) did not experience a statistically significant decrease in SBP when compared to those who completed fewer calls.

Conclusion

We did not reduce uncontrolled hypertension even among the more highly engaged. However, 83% of a predominately minority and low-income population completed at least 67% of the multimodal mHealth intervention. Findings suggest that combining an automated electronic health record system to identify at-risk patients with a tailored mHealth protocol can provide education to this population. While this intervention was insufficient to effect behavioral change resulting in better hypertension control, it does suggest that this FQHC population will engage in low-cost population health applications with a potentially promising impact.

Trial registration

ClinicalTrials.gov NCT02418091; https://clinicaltrials.gov/ct2/show/NCT02418091 (Archived by WebCite at http://www.webcitation.org/76RBvacVU).
dc.identifier

v21i4e12541

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1439-4456

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1438-8871

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https://hdl.handle.net/10161/28704

dc.language

eng

dc.publisher

JMIR Publications Inc.

dc.relation.ispartof

Journal of medical Internet research

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10.2196/12541

dc.subject

Humans

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Hypertension

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Diabetes Mellitus, Type 2

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Feasibility Studies

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Telemedicine

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Middle Aged

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Female

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Self-Management

dc.title

Addressing Diabetes and Poorly Controlled Hypertension: Pragmatic mHealth Self-Management Intervention.

dc.type

Journal article

duke.contributor.orcid

Lewinski, Allison A|0000-0002-1356-1857

duke.contributor.orcid

Diamantidis, Clarissa J|0000-0001-8212-6288

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Crowley, Matthew J|0000-0002-6205-4536

duke.contributor.orcid

Wilson, Jonathan|0000-0001-9984-4825

duke.contributor.orcid

Boulware, L Ebony|0000-0002-8650-4212

duke.contributor.orcid

Bosworth, Hayden B|0000-0001-6188-9825

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e12541

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4

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Duke

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School of Medicine

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Medicine, Endocrinology, Metabolism, and Nutrition

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Medicine, General Internal Medicine

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Medicine, Geriatrics

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Medicine, Nephrology

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Duke Cancer Institute

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Duke Clinical Research Institute

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Institutes and Provost's Academic Units

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University Institutes and Centers

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Duke Global Health Institute

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Center on Health & Society

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Biostatistics & Bioinformatics, Division of Biostatistics

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Published

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21

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