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Telephone-Delivered Behavioral Skills Intervention for African American Adults with Type 2 Diabetes: A Randomized Controlled Trial.


ABSTRACT: BACKGROUND:Diabetes disproportionately affects African Americans and is associated with poorer outcomes. Self-management is important for glycemic control; however, evidence in African Americans is limited. OBJECTIVE:To assess the efficacy of a combined telephone-delivered education and behavioral skills intervention (TBSI) in reducing hemoglobin A1c (HbA1c) levels in African Americans with type 2 diabetes, using a factorial design. DESIGN:This is a four-year randomized clinical trial, using a 2 x 2 factorial design.: Participants: African American adults ?18 years) with poorly controlled type 2 diabetes (HbA1c ?9%) were randomly assigned to one of four groups: 1) knowledge only, 2) skills only, 3) combined knowledge and skills (TBSI), or 4) control group. INTERVENTION:All participants received 12 telephone-delivered 30-min intervention sessions specific to their assigned group. Participants were assessed at baseline and 3, 6, and 12 months. MAIN MEASURE:The primary outcome was HbA1c at 12 months post-randomization in the intent-to-treat (ITT) population. KEY RESULTS:Two hundred fifty-five participants were randomly assigned to the four groups. Based on the ITT population after multiple imputation, the analysis of covariance with baseline HbA1c as the covariate showed that HbA1c at 12 months for the intervention groups did not differ significantly from that of the control group (knowledge: 0.49, p?=?0.123; skills: 0.23, p?=?0.456; combined: 0.48, p?=?0.105). Absolute change from baseline at 12 months for all treatment arms was 0.6. Longitudinal mixed effects analysis showed that, on average, there was a significant decline in HbA1c over time for all treatment groups (-0.07, p?

SUBMITTER: Egede LE 

PROVIDER: S-EPMC5481234 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Telephone-Delivered Behavioral Skills Intervention for African American Adults with Type 2 Diabetes: A Randomized Controlled Trial.

Egede Leonard E LE   Williams Joni S JS   Voronca Delia C DC   Gebregziabher Mulugeta M   Lynch Cheryl P CP  

Journal of general internal medicine 20170323 7


<h4>Background</h4>Diabetes disproportionately affects African Americans and is associated with poorer outcomes. Self-management is important for glycemic control; however, evidence in African Americans is limited.<h4>Objective</h4>To assess the efficacy of a combined telephone-delivered education and behavioral skills intervention (TBSI) in reducing hemoglobin A1c (HbA1c) levels in African Americans with type 2 diabetes, using a factorial design.<h4>Design</h4>This is a four-year randomized cli  ...[more]

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