I1. Have you ever looked for information about cancer from any source? (Yes/No)	I2. Based on the results of your most recent search for information about cancer, how much do you agree or disagree: It took a lot of effort to get the information you needed (Strongly agree; Somewhat agree; Somewhat disagree; Strongly disagree)
I3. Based on the results of your most recent search for information about cancer, how much do you agree or disagree: You felt frustrated during your search for the information (Strongly agree; Somewhat agree; Somewhat disagree; Strongly disagree)	I4. Based on the results of your most recent search for information about cancer, how much do you agree or disagree: You were concerned about the quality of the information (Strongly agree; Somewhat agree; Somewhat disagree; Strongly disagree)
I5. Based on the results of your most recent search for information about cancer, how much do you agree or disagree: The information you found was hard to understand (Strongly agree; Somewhat agree; Somewhat disagree; Strongly disagree)	I6. In the past 12 months have you used the Internet to look for health or medical information? (Yes/No)
I7. How confident are you that you can find helpful health resources on the Internet? (Very confident; Somewhat confident; A little confident; Not confident at all)	I8. In the past 12 months, have you used a health or wellness app on your tablet or smartphone? (Yes/No)
I9. In the last 12 months, have you used an electronic wearable device to monitor or track health or activity? For example, a Fitbit, AppleWatch or Garmin Vivofit (Yes/No)	I10. In the last 12 months, how often did you interact with people who have similar health or medical issues on social media or online forums? (Almost every day; At least once a week; A few times a month; Less than once a month; Never)
I11. In the last 12 months, how often did you watch a health-related video on a social media site (for example, YouTube)? (Almost every day; At least once a week; A few times a month; Less than once a month; Never)	I12. How much do you agree or disagree—I use information from social media to make decisions about my health (Strongly agree; Somewhat agree; Somewhat disagree; Strongly disagree)
I13. How much do you agree or disagree—I use information from social media in discussions with my health care provider (Strongly agree; Somewhat agree; Somewhat disagree; Strongly disagree)	I14. In the past 12 months, did you receive care from a doctor or health professional using telehealth? (Yes/No)
I15. Have you ever used an app like Apple Health Records or CommonHealth to combine your medical information from different patient portals or online medical records into one place? (Yes/No)	I16. How many times did you access your online medical record or patient portal in the last 12 months? (0; 1 to 2 times; 3 to 5 times; 6 to 9 times; 10 or more times; do not have an online medical record or patient portal)
I17. In the past 12 months have you used your online medical record or patient portal to look up test results? (Yes/No)	I18. In the past 12 months have you used your online medical record or patient portal to view clinical notes (a health care providers written notes that describe your visit)? (Yes/No)