David P MacKinnon1, Linda J Luecken. 1. Department of Psychology, Arizona State University, Tempe, AZ 85287-1104, USA. david.mackinnon@asu.edu
Abstract
OBJECTIVE: This article provides an overview of statistical mediation analysis methods in the evaluation of public health dentistry interventions. METHODS AND RESULTS: First, reasons for conducting mediation analysis are outlined, followed by a discussion of the link between the mediation model and theoretical bases of interventions. Second, the basic statistical procedures in mediation analysis are presented. An example application to data from a hypothetical intervention is provided in Appendix A. Third, interpretation of the results from statistical mediation analysis is described along with additional information pertinent to identifying true mediation relations. CONCLUSIONS: Guidelines for describing mediation analyses in research articles related to public health dentistry intervention studies are outlined.
OBJECTIVE: This article provides an overview of statistical mediation analysis methods in the evaluation of public health dentistry interventions. METHODS AND RESULTS: First, reasons for conducting mediation analysis are outlined, followed by a discussion of the link between the mediation model and theoretical bases of interventions. Second, the basic statistical procedures in mediation analysis are presented. An example application to data from a hypothetical intervention is provided in Appendix A. Third, interpretation of the results from statistical mediation analysis is described along with additional information pertinent to identifying true mediation relations. CONCLUSIONS: Guidelines for describing mediation analyses in research articles related to public health dentistry intervention studies are outlined.
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