Table 2:

Semi-Structured Interview Guide

Personal Experiences How did using MyFitnessPal and tracking your food/drink impact you? How did using the app make you feel? How do you think it changed how you thought about your food choices, if at all? How do you think it changed any of your health behaviors like food choices, exercise, or anything else, if at all? Did you make different choices for your fitness/health? Did you make different choices for your appearance? How did using the app change how you felt about your weight, if at all? How did using the app change how you felt about your body shape, if at all? Did using the app change the amount of time you spent thinking about your food choices, exercise, or your body? Did using the app make you monitor other aspects of your life like exercise, weight, or anything else?

General Experiences When do you think tracking what you eat and drink would be helpful? When do you think tracking what you eat and drink would be harmful?