Dataset Information

A self-management intervention for African Americans with comorbid diabetes and hypertension: a pilot randomized controlled trial.

ABSTRACT:

Introduction

The objective of this pilot 6-month randomized controlled trial was to determine the effectiveness of an intensive, community-based, group intervention that focused on diet, physical activity, and peer support for reducing weight among urban-dwelling African Americans with comorbid type 2 diabetes and hypertension.

Methods

Sixty-one participants were randomized into an intervention or control group. The 6-month intervention consisted of 18 group sessions led by a dietitian in a community setting and weekly telephone calls from a peer supporter. The intervention featured culturally tailored nutrition education, behavioral skills training, and social support focused on changes to diet and physical activity. The control group consisted of two 3-hour group sessions of diabetes self-management education taught by a community health worker. Outcome measures were assessed at baseline and 6 months. The primary outcome was achievement of a 5% weight reduction at 6 months. A secondary outcome was achievement of a 0.5 percentage-point reduction in hemoglobin A1c (HbA1c).

Results

Groups did not differ in achievement of the weight-loss goal. Intervention participants lost a mean of 2.8 kg (P = .01); control participants did not lose a significant amount of weight. A greater proportion of intervention (50.0%) than control (21.4%) participants reduced HbA1c by 0.5 percentage points or more at 6 months (P = .03).

Conclusion

The intervention was more effective than usual care (short-term diabetes education) at improving glycemic control, but not weight, in low-income African Americans with comorbid diabetes and hypertension. A community-based 6-month group class with culturally tailored education, behavioral skills training, and peer support can lead to a clinically significant reduction in HbA1c.

SUBMITTER: Lynch EB

PROVIDER: S-EPMC4040140 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Purpose:Diabetes self-management education and support (DSME/S) is an effective strategy to improve health outcomes. However, little is known about the impact of formal DSME/S on psychological distress among minority populations. The study purposes were to 1) explore the impact of a culturally tailored DSME/S intervention on psychological distress and diabetes-related outcomes among African-American and Hispanic/Latino participants and 2) examine differences across groups in self-care, self-efficacy, diabetes knowledge, and psychological distress. Methods:Using a pre- and post-test research design, baseline and post-test assessments were conducted at weeks 1 and 7 of the intervention, respectively. Statistical analyses included descriptive statistics for demographic variables and four outcomes (self-care, self-efficacy, knowledge, and psychological distress score), general linear regression analysis of the post-test outcomes, and the Spearman correlation between psychological distress score and the outcomes. Results:Compared to African-American participants (n = 122), Hispanic/Latino participants (n = 137) were significantly younger and less educated. The two groups were comparable in sex, income, and health status. Significant pre- to post-test improvements were seen in each group for self-care, self-efficacy, and psychological distress. Diabetes knowledge had moderate improvement. Hispanics/Latinos had significantly greater post-test self-efficacy and self-care scores compared to African Americans. For both African-American and Hispanic/Latino participants, lower psychological distress scores were generally associated with greater self-efficacy and self-care. Psychological distress scores were not significantly associated with knowledge in African-Amerian or Hispanic/Latino participants. For African Americans only, better health status was significantly associated with less psychological distress. Conclusion:DSME/S programs have the potential to improve psychological health among African Americans and Hispanics/Latinos, which can lead to better diabetes outcomes.

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