Materials (protocols of interviews, stakeholder dialogues and participant observations) of the study are presented. In this study, an integrated intervention for workplace health promotion consisting of stakeholder dialogue, was evaluated. The overall aim was to improve health of employees with a lower socioeconomic position. The intervention was evaluated in two organizations in the Netherlands through a responsive evaluation. This study was one of the 'Werken is gezond' projects funded by The Netherlands Organization for Health Research and Development.