Click here to take a survey to determine if you are eligible to participate. After completing the survey, you will be asked to read and sign a consent form indicating that you understand what the study asks you to do and informing you of your rights as a research participant.

Once you register and complete the screening survey, you'll be taken to the consent page. The consent form outlines the study activities and what we will ask you to do if you sign up. By signing the consent form, you are indicating that you understand what is being asked of you and you are giving us permission to review your medical records to confirm your eligibility and analyze the data you provide to us through this study for research purposes. Your participation in this study is voluntary and you can withdraw from the study at any time.

You'll be asked to complete surveys every 6 months about your health and health behaviors. Additionally, you will have the option to connect certain medical devices to our study app to share your health information with our study team. If you participate in the study of the smartphone messaging program, you may receive messages up to 4-5 times per week for 6 months. You will be asked to fill out brief monthly surveys. We will also ask you to connect your medical chart to our study app to share your health information with our study team.

No, you do not need to have a smartphone to take part in the study surveys. If you do have a smartphone, you are encouraged to participate in the study through the Eureka app as the mobile app provides features that are not available on the website. However, you will need a smartphone if you would like to participate in the smartphone messaging program.

You will be asked to take part in this study for as long as you choose. We would like to collect data for as long as possible. You can withdraw from the study at any time. If you participate in the study of the smartphone messaging program, that part of the study will last up to 9 months.

Every 6 months you'll be asked to complete surveys that take about 60 minutes to complete. If you participate in the study of the smartphone messaging program, you may receive educational messages on your smartphone up to 4-5 times per week. You will also be asked to fill out a brief monthly survey that takes less than 10 minutes.

There are two parts of the study. We are not offering payment for Part 1 of the study. We are offering payment for Part 2 of the study. If you complete the study activities for Part 2, you will be paid in Amazon gift cards worth a total of $50. You will receive a $20 Amazon gift card after completing the baseline survey, and you will receive a $30 Amazon gift card after completing the final survey at the end of the study.

In Part 1, you will fill out a survey about health and health behaviors every 6 months. You may be eligible for Part 1 if you are living with HIV, at least 40 years old, and able to speak and read English.

In Part 2 of the study (the smartphone messaging program), you may receive educational text messages on your phone up to 4-5 times per week for 6 months. You will fill out surveys at the start and end of the study. You will also be asked to fill out a brief monthly survey that takes less than 10 minutes. You may be eligible for Part 2 if you are living with HIV, at least 40 years old, able to speak and read English, own a smartphone, receive your primary care or HIV care at UCSF or Zuckerberg San Francisco General Hospital, and do not have cardiovascular disease.

We do everything we can to protect your information and keep it private and secure. Read the Privacy Policy here.

If you have questions about the study, please email our team at: teachhiv@ucsf.edu .

As with any mode of electronic participation, there is always a small risk of loss of privacy. See our Privacy & Data Security Policy for more information.

We hope that society will benefit from your participation — by participating, you will help us contribute to our understanding of heart disease and HIV.