Meeting the Challenges of Implementing an Intervention to Promote Work Ability and Health-Related Quality of Life at Construction Worksites: A Process Evaluation

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To evaluate the process of a prevention program among construction workers.


The program consisted of training sessions of a physical therapist and an empowerment trainer, and a Rest-Break Tool. Data on seven process items were collected by means of questionnaires and interviews.


Recruiting construction companies to participate was difficult. The therapists and trainer largely provided the training sessions as intended, but the Rest-Break Tool was poorly implemented. Construction workers (n = 171) showed high reach (84%) and moderate attendance rates (three of four sessions). Sixty-four percent of the construction workers recommended the overall program to colleagues. Company size, economic recession, engagement of the management, and intervention year influenced dose delivered and satisfaction.


The study showed a successful reach, dose and fidelity, and moderate satisfaction. Furthermore, contextual factors played an important role during the implementation.

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