Journal of Anxiety Disorders 2012-03-01

Cost-effectiveness of child-focused and parent-focused interventions in a child anxiety prevention program.

Ellin Simon, Carmen Dirksen, Susan Bögels, Denise Bodden

Index: J. Anxiety Disord. 26(2) , 287-96, (2012)

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Abstract

In this study, the cost-effectiveness of three indicated anxiety prevention strategies was examined from a societal perspective. Children (aged 8-12) were recruited via primary schools, selecting children scoring as high-anxious on an anxiety screening questionnaire. Participating children and their parents were randomized to a child--a parent-focused, or non-intervention group. All groups completed a diagnostic interview and standardized cost-diaries at pretest, and 1- and 2-year follow-up. Incremental cost-effectiveness ratios per 'ADIS improved' child (based on diagnostic information) were calculated and cost-effectiveness acceptability curves and frontiers were plotted. The base-case and most secondary analyses showed it would be cost-effective to offer high-anxious children an intervention, and the parent-focused intervention to be the optimal strategy at lower monetary threshold values than the child-focused intervention and when parents were anxious. The child-focused intervention was dominant when analyses were performed from a healthcare perspective, for boys, and for children of grades 7-8 of primary school.Copyright © 2012 Elsevier Ltd. All rights reserved.