Data collection
Data collection (baseline, post‐treatment, and follow‐up) took place between 24‐07‐2020 and 04‐10‐2021. Percentage completing assessments at each time‐point are reported in Table Number and percentages of participants completing assessments of the total study sample (Total sample defined as all participants enrolled into the ENGAGE feasibility trial.Study sample at time‐point defined as the total number of participants remaining in the ENGAGE feasibility trial (i.e., had not dropped out of, or been excluded from, the study at each time‐point).Missing data ranged from 0.01%–4.1% items missing per measure, bettering progression criteria (≤10%). Missing data from the M.I.N.I. is reported in Table 