12.07.2015 Views

A systematic review of injury/illness prevention and loss control ...

A systematic review of injury/illness prevention and loss control ...

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InterventionCategoryAuthor,YearQA* Study Design PreventionTypeIntervention DescriptionPolicy(employerlevel)Wassell,2000Mnon-r<strong>and</strong>omizedfield trialPrimaryI 1: m<strong>and</strong>atory back belt use <strong>and</strong> training session on proper lifting <strong>and</strong> back belt use.C: voluntary back belt on request <strong>and</strong> new hire training session on proper lifting<strong>and</strong> back belt use.SupervisorpracticesZohar,2002Mr<strong>and</strong>omized fieldtrialBothI 1: during the 3-month period prior to the experiment, baseline rates <strong>of</strong> safetyorientedsupervisory interactions <strong>and</strong> microaccidents were established <strong>and</strong> feedbackwas provided to supervisors.C: received same interviews as I 1 but supervisors not provided with feedback.QA=Quality assessment I=intervention groupH=high C=<strong>control</strong> groupM=medium96 Institute for Work & Health

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