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Can a telephone-delivered, collaborative goal-setting intervention improve depression symptoms and glycemic control among high-risk, patients with comorbid diabetes identified using a population screening approach?
In this randomized clinical trial of 225 US veterans with uncontrolled diabetes and significant depression symptoms, a telephone-delivered intervention using collaborative goal setting and behavioral activation had mixed results compared with enhanced usual care. Secondary analyses found that a significantly higher proportion of intervention participants achieved and maintained clinically significant responses of depression symptoms at 12 months but did not find such improvements for glycemic levels at 12 months.
A telephone-delivered, collaborative goal-setting approach can improve depression symptoms among high-risk patients with uncontrolled diabetes who maintain engagement for 12 months.
Depression symptoms are present in one-third of patients with diabetes, contributing to significant adverse consequences. Population screening of high-risk patients coupled with telephone delivery of evidence-based therapies for comorbid diabetes may address barriers to care.
To evaluate the effectiveness of proactive population screening plus telephone delivery of a collaborative goal-setting intervention among high-risk patients with uncontrolled diabetes and depression.
Design, Setting, and Participants
In this randomized clinical trial, 225 participants (intervention [n = 136] and control [n = 89]) were enrolled from a regional Veterans Healthcare System serving Southeast Texas from November 1, 2012, through June 24, 2016. Data were gathered at baseline and 6 and 12 months after intervention. Patients selected had uncontrolled diabetes (hemoglobin A1c [HbA1c] >7.5%]) and clinically significant depression (Patient Health Questionnaire–9 scores [PHQ-9] ≥10) and were living more than 20 miles from the Veterans Affairs medical center. Data collection was completed on December 6, 2016, and final analyses were completed by January 25, 2018. All analyses were intent to treat.
Healthy Outcomes Through Patient Empowerment (HOPE) included 9 telephone sessions with 24 trained health care professionals using collaborative goal-setting and behavioral activation methods. The control group received enhanced usual care (EUC) and notification of high-risk status.
Main Outcomes and Measures
Change in depression symptoms using PHQ-9 and glycemic control using HbA1c from baseline to 6 months and to 12 months. Secondary analyses evaluated clinically significant responses for these measures.
Among 225 participants, 202 (89.8%) were men, the mean (SD) age was 61.9 (8.3) years, 145 (64.4%) were married, and 156 (69.3%) had some education beyond high school. For the overall study, 38 participants (16.9%) were lost to follow-up or withdrew at 6 months and another 21 (9.3%) were lost to follow-up or withdrew at 12 months. Repeated-measures analysis with multiple imputation for missing data assessing the interaction of treatment group (HOPE vs EUC) and time (baseline, 6 months, and 12 months) found no significant improvement in PHQ-9 (β, 1.56; 95% CI, –0.68 to 3.81; P = .17) or HbA1c (β, –0.005; 95% CI, –0.73 to 0.72; P = .82). Analyses using t test for change from baseline to 12 months showed a HOPE vs EUC between-group mean difference for PHQ-9 of 2.14 (95% CI, 0.18 to 4.10; P = .03) and for HbA1c of –0.06% (95% CI, –0.61% to 0.50%; P = .83). A secondary analysis of patients experiencing a clinical response found that 52.1% of HOPE participants had clinically significant responses in PHQ-9 at 12 months vs 32.9% in EUC (difference, 0.19; 95% CI, 0.04-0.33; P = .01).
Conclusions and Relevance
Telephone-delivered, collaborative goal setting produced clinically significant reductions in depression symptoms but not glycemic control among patients who remained engaged at 12 months compared with EUC among a population screened sample of high-risk patients with diabetes and depression. Although the intervention created some lasting effect for depression, additional strategies are needed to maintain engagement of this high-risk population within an interprofessional team approach to primary care.
ClinicalTrials.gov identifier: NCT01572389
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Accepted for Publication: June 17, 2019.
Published: August 7, 2019. doi:10.1001/jamanetworkopen.2019.8634
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2019 Naik AD et al. JAMA Network Open.
Corresponding Author: Aanand D. Naik, MD, Houston Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, 2002 Holcombe Blvd, Ste 152, Houston, TX 77030 (email@example.com).
Author Contributions: Drs Naik and Cully had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Naik, Petersen, Kunik, Cully.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Naik, Vaughan, Petersen, Zeno, Kunik, Cully.
Critical revision of the manuscript for important intellectual content: Naik, Hundt, Vaughan, Petersen, Kunik, Cully.
Statistical analysis: Naik, Petersen, Cully.
Obtained funding: Naik, Kunik, Cully.
Administrative, technical, or material support: Naik, Hundt, Zeno, Cully.
Supervision: Naik, Hundt, Kunik, Cully.
Conflict of Interest Disclosures: Drs Naik, Hundt, Kunik, and Cully reported receiving grants from the Veterans Health Administration during the conduct of the study. No other disclosures were reported.
Funding/Support: This work was supported by grant 10-135 from the Veterans Health Administration Health Services Research and Development Office (Drs Cully and Naik) and by grant K23DK11034 from the National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health (Dr Vaughan). The work was also supported using facilities and resources of the Veterans Health Administration Health Services Research and Development Center for Innovations in Quality, Effectiveness and Safety through grant CIN13-413.
Role of the Funder/Sponsor: The funding sources had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: The opinions expressed reflect those of the authors and not necessarily those of the Department of Veterans Affairs, the US government, or Baylor College of Medicine.
Data Sharing Statement: See Supplement 2.
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