Translating the Dietary Approaches to Stop Hypertension (DASH)Diet Into an Urban, African-American Community in Winston-Salem, North Carolina
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 25
- 试验地点
- 2
- 主要终点
- Dietary change from baseline.
研究概览
简要总结
A diet that is rich in fruits, vegetables, and low fat dairy foods is known to lower blood pressure in adults. This research project seeks to promote the adoption of the Dietary Approaches to Stop Hypertension(DASH)eating pattern by African American adults with hypertension or prehypertension living in a lower income minority community. The randomized trial phase of this project will test a group-based intervention using materials adopted from prior studies and tailored to the community of interest.
详细描述
Hypertension (HTN) is a prevalent risk factor for cardiovascular, cerebrovascular, and renal disease, and disproportionately affects African Americans (AA). Although HTN awareness and treatment rates among AA are similar to, or exceed non-Hispanic whites, control of HTN among AAs remains inadequate. Randomized clinical trials have demonstrated the effectiveness of lifestyle measures in lowering BP, including the Dietary Approaches to Stop Hypertension (DASH) diet, which lowers systolic BP 6-14 mmHg. DASH calls for increased consumption of fruits, vegetables, and low fat dairy, and decreased saturated fat and sodium intake. There is limited evidence that DASH has been widely adopted by the public and AA from lower income communities may be less able to adopt DASH as currently disseminated due to barriers related to income, education, attitudes about foods, health beliefs, and neighborhood availability of healthier foods. We propose to utilize quantitative and qualitative research techniques (including focus groups and surveys) to assess environmental, intra-personal, interpersonal and cultural factors that could affect the translation of the DASH diet in a low-income AA community, then utilize the knowledge gathered to adapt existing intervention strategies and tools. These will provide the materials for a randomized three month pilot lifestyle intervention implementing the DASH diet. The 40 participants will be aged 21+ and have pre-HTN or HTN with blood pressure between 120-150/80-95 mmHg on 0,1 or 2 antihypertensive agents, and will be AA residents of two zip codes in Winston-Salem (a lower-income area whose population is significantly minority).
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 21 Years 至 99 Years(Adult, Older Adult)
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Being African American
- •Age 21 years or older
- •Residing in zip code 27105 or 27101
- •Formal education less than 4-year college degree
- •Blood pressure between 120/80 mmHg and 150/95 mmHg, inclusive (patients on BP lowering drugs eligible if BP is in above range)
- •Willing to provide informed consent
- •Able to participate in English
排除标准
- •Clinical history of congestive heart failure
- •Clinical history of diabetes, or newly diagnosed diabetes at screening
- •Clinical history of renal insufficiency (Stage 3 or higher chronic kidney disease)
- •BMI less than or equal to 18.5 kg/m2 or greater than or equal to 45.0 kg/m2
- •Pregnancy
- •Non-English speaker
研究组 & 干预措施
DASH materials
Participant randomized to a 12-week, group-based lifestyle intervention using modified DASH materials and intervention delivery approaches to help them adopt the DASH diet. Intervention content will be designed to provide participants with the knowledge and skills to adopt the DASH eating pattern, specifically to increase fruit, vegetable, and low-fat dairy intake, and to decrease saturated fats and sodium.
干预措施: DASH diet (Behavioral)
Delayed intervention
The intervention participants will receive an NHLBI brochure entitled "Your Guide to Lowering Blood Pressure." They will then receive the modified DASH materials and the intervention at the end of the study, following the intervention group's completion of the study.
干预措施: DASH diet (Behavioral)
Delayed intervention
The intervention participants will receive an NHLBI brochure entitled "Your Guide to Lowering Blood Pressure." They will then receive the modified DASH materials and the intervention at the end of the study, following the intervention group's completion of the study.
干预措施: Delayed Intervention (Behavioral)
结局指标
主要结局
Dietary change from baseline.
时间窗: Three Months
次要结局
- Participation(three months)
- Blood pressure(three months)
