Statistical methods
RECRUITMENT
Feasibility outcomes relating to recruitment and eligibility, data collection, attrition, resources needed to complete the study and the intervention, participants' adherence to the intervention, participants' use of the intervention, e‐therapists' adherence to the intervention, and participants' sociodemographic characteristics are reported using descriptive statistics. Numbers and percentages (and 95% CIs where appropriate) are reported for categorical variables, means and SDs for continuous variables. Numbers and percentages of participants meeting criteria for each M.I.N.I. diagnosis is reported at each time‐point. Means and SDs for continuous variables and numbers and percentages for categorical variables are reported for all outcomes at each time‐point. Mean change scores (with 95% CIs) are reported for Portal assessments of psychological outcomes at each time‐point, to describe the study sample.