Weight and Height
RA
Participants were provided a standardized weight scale from Amazon via mail and were asked to record their weight periodically. Specifically, weight data were collected using SMS text message surveys sent via a secure Qualtrics web platform. Participants were reminded to weigh themselves at the same time of the day (eg, morning before breakfast), take a photo on their phone, and upload the photo to the survey link. They were also asked to report their weight via the survey. An RA manually checked the uploaded photos and the participants’ weight to ensure consistency. Height data were collected by self-report at screening and at baseline. Participants’ BMI was calculated using height and weight.The The The The 