Does recruitment source moderate treatment effectiveness? A subgroup analysis from the EVIDENT study, a randomised controlled trial of an internet intervention for depressive symptoms.

ABSTRACT:

Objective

This study aims to examine whether the effects of internet interventions for depression generalise to participants recruited in clinical settings.

Design

This study uses subgroup analysis of the results of a randomised, controlled, single-blind trial.

Setting

The study takes place in five diagnostic centres in Germany.

Participants

A total of 1013 people with mild to moderate depressive symptoms were recruited from clinical sources as well as internet forums, statutory insurance companies and other sources.

Interventions

This study uses either care-as-usual alone (control) or a 12-week internet intervention (Deprexis) plus usual care (intervention).

Main outcome measures

The primary outcome measure was self-rated depression severity (Pat

SUBMITTER: Klein JP 

PROVIDER: S-EPMC5734368 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature