“…Markers of severity of depression previously found to be associated with prognosis independent of treatment ( Buckman et al., 2021a ) (depressive symptom severity, durations of depression and anxiety, history of antidepressant treatment, and comorbid panic disorder), were adjusted for in separate models. Social support, ethnicity, marital status, employment status and financial strain were additionally adjusted for as potential confounders in subsequent models ( Buckman et al., 2021 , 2021b , 2021a ). Finally, only confounders that can be reasonably assumed to have been present prior to the life event (occurring up to six months pre-baseline) were adjusted for (this excludes clinical and demographic variables that are changeable through time and might have been affected by the life event; i.e.…”