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临床试验/NCT03090321
NCT03090321进行中(未招募)不适用

MyHeart Counts Cardiovascular Health Study

Stanford University2 个研究点 分布在 1 个国家目标入组 2,000,000 人开始时间: 2015年3月最近更新:
适应症
干预措施

试验速览

阶段
不适用
状态
进行中(未招募)
入组人数
2,000,000
试验地点
2
主要终点
Activity frequency and duration as Measured By Smartphone Core Motion Chip Sensor (Step count as seen in Apple's Healthkit)

研究概览

简要总结

The MyHeart Counts Cardiovascular Health Study will utilize mobile health capabilities of smartphones and wearables to assess daily activity measures of the general population and compare these to measures of cardiovascular health risk factors and fitness. How people divide their time among exercise, sedentary behavior, and sleep all affect cardiovascular health, yet to date these have largely gone unmeasured. With the advancement of phone sensors and wearable fitness tracking devices these factors are now more straightforward to gather and measure. The use of smartphones by a large segment of the population allows for data collection on an unprecedented scale. The investigators aim to amass activity and cardiovascular health data on thousands of participants as well as provide significantly more quantitative data on type,duration, and intensity of daily activities.

In the second phase of the MyHeart Counts Cardiovascular Health Study (Randomized Assessment of Physical Activity Prompts In A Large Ambulatory Population) the researchers will conduct a randomized controlled clinical trial of four different physical activity prompts (intervention) and their effect on the level of physical activity in the study population as measured by change in step count.

详细描述

MyHeart Counts Cardiovascular Health Study is a smartphone-based mobile cardiovascular health research study. The study will utilize the mobile health capabilities of smartphones and wearables to assess daily activity measures of the general public and compare these to measures of cardiovascular health - risk factors and fitness. How people divide their time among exercise, sedentary behavior, and sleep all affect cardiovascular health, yet these largely go unmeasured. With the advancement in phone sensors and wearables these factors are now more straightforward to gather and measure. The use of smartphones by a large segment of the population allows for data collection on an unprecedented scale. The investigators aim to amass activity and cardiovascular health data on thousands of participants as well as provide much more quantitative data on type,duration, and intensity of daily activities. The MyHeart Counts Cardiovascular Health mobile application provides a platform for the investigation of methods aimed to aid participants in increasing heart healthy activities. The overall goal of the study is to develop an extensive source of data which will inform future cardiovascular health guidelines.

In the second phase of the MyHeart Counts Cardiovascular Health Study (Randomized Assessment of Physical Activity Prompts In A Large Ambulatory Population) the investigators will conduct a randomized controlled clinical trial of four different physical activity prompts (intervention) and their effect on increasing physical activity in the study population as measured by change in step count.

Of note to supplement the activity data the investigators will ask participants who have completed a genetic analysis to share their that data with the MyHeart Counts Cardiovascular Health Study research team. The investigators believe the opportunity to overlay activity, heart risk and genetic data for participants is a great tool for discovery.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Prevention
盲法
Single (Investigator)

入排标准

年龄范围
18 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • All adults over the age of 18

排除标准

  • Children under the age of 18

研究组 & 干预措施

Stand Prompt

Active Comparator

Behavioral Intervention Prompt- Participant will receive a notification asking them to stand and walk if they have been sitting for longer than 60 minutes.

干预措施: Stand Prompt (Behavioral)

Step Prompt

Active Comparator

The participant will receive a notification if they are below 5000 steps by 3pm each day asking them to get to 10000 steps.

干预措施: Step Prompt (Behavioral)

Cluster Prompt

Active Comparator

The participant will receive daily information notifications specific to the activity cluster they fall into based on the activity data collected in phase 1 of the study.

干预措施: Cluster Prompt (Behavioral)

Read AHA website

Placebo Comparator

Daily reminder to read the American Heart Association (AHA) website.

干预措施: Read AHA website (Behavioral)

Baseline monitoring

No Intervention

No feedback is provided to the users. This is the control arm.

结局指标

主要结局

Activity frequency and duration as Measured By Smartphone Core Motion Chip Sensor (Step count as seen in Apple's Healthkit)

时间窗: 5 weeks

The researchers will compare step count data collected during baseline (or phase 1) week with step count data at the end of each of the 4 intervention weeks.

次要结局

  • Change in responses ( to survey questions on self perceived risk of cardiovascular disease and well being (survey adopted from reference in description)(5 weeks)
  • Change in self reported levels of happiness as indicated on a numerical gradient scale and self reported by participant using the OECD Guidelines on Measuring Subjective Well Being survey(5 weeks)
  • Change in sleep duration as measured by Apples core motion chip.(5 weeks)
  • Change in self reported sleep duration obtained from a daily user survey.(5 weeks)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Euan Ashley

Associate Professor

Stanford University

研究点 (2)

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