Attrition analysis in the 2023 follow-up of the “Deliberate Self-Harm, Emotion Regulation, and Interpersonal Relations in Youth” Project
In this report, we analyse attrition at the two most recent data collection points of the longitudinal Swedish project “Deliberate self-harm, emotion regulation, and interpersonal relations in youth”, that collected survey data from the same cohort in 2007 (T1), 2008 (T2), 2017 (T3), and 2023 (T4). We compared T4 responders and non-responders using variables assessed at T1−T3, and T3 responders an