Table 2.

Summary of selected predictors

Predictor	Type of data	Method of measurement	Range of values and coding of predictors
PHQ-9 score at point of remission (residual depressive symptoms)	Continuous	PHQ-9 score at remission (t=0)	Range from 0 to 9
Number of previous episodes of depression	Categorical	Patient or GP report (No previous episodes vs any previous episodes)	No previous episodes=0; 1 or more previous episodes=1
Comorbid anxiety	Continuous	GAD-7 Score	0–21
Severity of episode	Continuous	PHQ-9 score at baseline	10–27
RCT intervention	Categorical	Presence or absence of effective treatment	Remission after receiving control=0; Remission after receiving intervention=1