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Ann Behav Med. 2012 Feb;43(1):62-73. doi: 10.1007/s12160-011-9319-4.

A culturally adapted telecommunication system to improve physical activity, diet quality, and medication adherence among hypertensive African-Americans: a randomized controlled trial.

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1
Medical Information Systems Unit, General Internal Medicine, Boston University School of Medicine, Boston, MA, USA.

Abstract

BACKGROUND:

Hypertension is more prevalent and clinically severe among African-Americans than whites. Several health behaviors influence blood pressure (BP) control, but effective, accessible, culturally sensitive interventions that target multiple behaviors are lacking.

PURPOSE:

We evaluated a culturally adapted, automated telephone system to help hypertensive, urban African-American adults improve their adherence to their antihypertensive medication regimen and to evidence-based guidelines for dietary behavior and physical activity.

METHODS:

We randomized 337 hypertensive primary care patients to an 8-month automated, multi-behavior intervention or to an education-only control. Medication adherence, diet, physical activity, and BP were assessed at baseline and every 4 months for 1 year. Data were analyzed using longitudinal modeling.

RESULTS:

The intervention was associated with improvements in a measure of overall diet quality (+3.5 points, p < 0.03) and in energy expenditure (+80 kcal/day, p < 0.03). A decrease in systolic BP between groups was not statistically significant (-2.3 mmHg, p = 0.25).

CONCLUSIONS:

Given their convenience, scalability, and ability to deliver tailored messages, automated telecommunications systems can promote self-management of diet and energy balance in urban African-Americans.

PMID:
22246660
DOI:
10.1007/s12160-011-9319-4
[Indexed for MEDLINE]
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