Methods
dropout
Data was provided by NIPH. It was obtained from the PMHC treatment arm of a pragmatic Randomized Controlled Trial (RCT) conducted in two Norwegian municipalities, Sandnes and Kristiansand. We looked into predictors of dropout among those who received the intervention, thereby making this a prospective cohort study design. The descriptions of subjects, materials, and methods were first described in the primary evaluation of the RCT by Knapstad et al. [