(via mail, email, text, and phone) indicated when a survey was available. Participants received $25 for the baseline survey and a $20 gift card for each follow-up survey. Response rates were 92% at Wave 2, 88% at Wave 3, 85% at Wave 4, 83% at Wave 5, and 83% at Wave 6, but because data were taken across several timepoints, all participants (who had a parent report) contributed data to the present study.
