Effectiveness of User and Expert Driven Internet-based Lifestyle Interventions on Hypertension Control
2017年4月7日 更新者：sam liu、University of Toronto
Hypertension is a leading risk factor for cardiovascular disease and mortality.
Lifestyle counseling is recommended as a first line therapy for reducing blood pressure (BP) and risk for cardiovascular events.
Recent studies suggest that e-based lifestyle interventions are effective in evoking therapeutic change in BP1.
However, BP response and adherence to exercise and diet behavior varies significantly after e-based interventions due to variations in treatment methodologies.
Consensus is not yet established for a standardized e-counseling protocol for hypertension.
As noted in our systematic review, the two dominant models of e-counseling procedures are expert-driven (protocol driven, prescriptive) and user-driven (self-guided, collaborative).
Expert-driven programs prescribe specific changes for lifestyle behavior which are intended to facilitate compliance to behavioral change.
In contrast, the user-driven method actively involves the subject in goal-setting and/or the selection of the intervention used to reach the behavioral goal.
One conclusion from the systematic review is that these models are used indiscriminately in e-counseling programs.
There is currently inadequate data to determine the efficacy of programs that are expert-driven vs. user-driven in reducing BP while modifying lifestyle behaviour.
It is possible that a combination of expert-driven and user-driven features for lifestyle e-counseling is most effective.
However, before these two approaches can be combined, it is essential to establish the strengths and limitations of each model.
研究概览
详细说明
This study will use a 3-parallel group, randomized controlled design: 3 (Groups: Control, expert-driven, and user-driven e-Counselling) by 2 (Assessments: baseline, 4-month).
Controls will receive general e-information on BP management.
The expert-driven e-Counselling group will provide a prescribed exercise and a diet plan.
The user-driven e-Counselling group will a program that enables the patient to choose areas of focus.
All subjects will be sent 16 e-messages on a weekly schedule.
研究类型
介入性
注册 (实际的)
129
阶段
- 不适用
参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
35年 至 74年 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
全部
描述
Inclusion Criteria:
- Unchanged prescription for anti-hypertensive medication at least 2 months before enrollment.
- Participants prescribed antihypertensive medication were also required to have SBP ≥130 mmHg and/or DBP ≥85 mmHg, in order to prevent "floor effects".
Exclusion criteria included:
- Diagnosis of kidney disease, major psychiatric illness (e.g. psychosis), alcohol or drug dependence in the previous year, pregnancy and sleep apnea. There was no racial or gender bias in the selection of participants.
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
- 主要用途：预防
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：双倍的
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
假比较器：Control group
The Control group received limited to general information on blood pressure management
|
Received general information about blood pressure control.
All subjects will be sent 16 e-messages on a weekly schedule.
|
|
有源比较器：Expert-driven group
The intervention will consisted of pre-determined exercise and dietary goals (e.g. increase daily steps by 1000 steps, consuming 2-3 servings of fruit and vegetables per day).
|
The user-driven e-Counselling group will receive a lifestyle program where the user are able to choose areas of focus.
All subjects will be sent 16 e-messages on a weekly schedule.
|
|
有源比较器：User-driven group
The User-driven group received an intervention that enabled participants to select their areas of lifestyle change using text and video web links embedded in the email.
The trans-theoretical model was used to inform the design of the User-driven program.
|
The user-driven e-Counselling group will receive a lifestyle program where the user are able to choose areas of focus.
All subjects will be sent 16 e-messages on a weekly schedule.
|
研究衡量的是什么？
主要结果指标
结果测量 |
大体时间 |
|---|---|
|
Systolic Blood Pressure
大体时间：Change from Baseline Systolic Blood Pressure at 4 months
|
Change from Baseline Systolic Blood Pressure at 4 months
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Diastolic Blood Pressure
大体时间：Change from Baseline Diastolic Blood Pressure at 4 months
|
Change from Baseline Diastolic Blood Pressure at 4 months
|
|
|
Blood Lipids (HDL, LDL, Cholesterol)
大体时间：Change from Baseline Blood Lipids (HDL, LDL, Cholesterol) at 4 months
|
Change from Baseline Blood Lipids (HDL, LDL, Cholesterol) at 4 months
|
|
|
Fruit and Vegetables
大体时间：Change from Baseline Daily servings of Fruit and Vegetables at 4 months
|
Diet History Questionaire
|
Change from Baseline Daily servings of Fruit and Vegetables at 4 months
|
|
Daily Steps
大体时间：Change from Baseline Daily Steps at 4 months
|
Pedometer
|
Change from Baseline Daily Steps at 4 months
|
合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始 (实际的)
2012年6月1日
初级完成 (实际的)
2014年7月1日
研究完成 (实际的)
2015年6月1日
研究注册日期
首次提交
2017年4月4日
首先提交符合 QC 标准的
2017年4月7日
首次发布 (实际的)
2017年4月13日
研究记录更新
最后更新发布 (实际的)
2017年4月13日
上次提交的符合 QC 标准的更新
2017年4月7日
最后验证
2017年4月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.
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