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What works for whom in a computer‐mediated communication intervention in community psychiatry? Moderators of outcome in a cluster randomized trial
Author(s) -
Hansson L.,
Svensson B.,
Björkman T.,
Bullenkamp J.,
Lauber C.,
MartinezLeal R.,
McCabe R.,
Rössler W.,
Salize H.,
TorresGonzales F.,
Van Den Brink R.,
Wiersma D.,
Priebe S.
Publication year - 2008
Publication title -
acta psychiatrica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.849
H-Index - 146
eISSN - 1600-0447
pISSN - 0001-690X
DOI - 10.1111/j.1600-0447.2008.01258.x
Subject(s) - intervention (counseling) , randomized controlled trial , psychological intervention , quality of life (healthcare) , outcome (game theory) , medicine , schizophrenia (object oriented programming) , cluster (spacecraft) , physical therapy , psychology , clinical psychology , psychiatry , nursing , surgery , mathematical economics , mathematics , computer science , programming language
Objective: An intervention to structure patient–key worker communication has been tested in a randomized controlled trial. The aim of this paper was to investigate effectiveness of the intervention in terms of moderators of effectiveness. Method: A total of 507 patients with schizophrenia were included. Moderators of effectiveness were investigated using two‐way anova s. Results: Patients with a better relationship with their key worker and a shorter duration of illness at baseline benefited more from the intervention in terms of quality of life. Patients who received the intervention who were in competitive employment or had a shorter duration of illness showed greater reduction of unmet needs. Older patients receiving the intervention had better treatment satisfaction. Conclusion: Outcome of the intervention was moderated by patient characteristics. Moreover, the moderating characteristics varied depending on the specific outcome. Evidence on moderators is very limited, even though, they are significant for understanding, targeting and implementing complex interventions.