Fig. 2From: The effect of an organizational level participatory intervention in secondary vocational education on work-related health outcomes: results of a controlled trialFlow diagram of the participants through the measurement moments of the trial. aAssignment was based on matching criteria department size, age composition and type of work. bThe reason for drop out (i.e. discontinuing intervention) was in all cases termination of employment. cPercentages are response percentages compared to baselineBack to article page