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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


Hansson, L; Svensson, B; Björkman, T; Bullenkamp, J; Lauber, C; Martinez-Leal, R; McCabe, R; Rössler, W; Salize, H; Torres-Gonzales, F; van den Brink, R; Wiersma, D; Priebe, S (2008). What works for whom in a computer-mediated communication intervention in community psychiatry? Moderators of outcome in a cluster randomized trial. Acta Psychiatrica Scandinavica, 118(5):404-409.

Abstract

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 anovas. 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.

Abstract

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 anovas. 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.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Psychiatric University Hospital Zurich > Clinic for Clinical and Social Psychiatry Zurich West (former)
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:27 August 2008
Deposited On:10 Dec 2008 19:45
Last Modified:18 Feb 2018 10:03
Publisher:Wiley-Blackwell
ISSN:0001-690X
OA Status:Closed
Publisher DOI:https://doi.org/10.1111/j.1600-0447.2008.01258.x
PubMed ID:18759805

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