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Process Evaluation of the Nationwide Implementation of a Lifestyle Intervention in the Construction Industry

Tonnon, Susanne C. MSc; Proper, Karin I. PhD; van der Ploeg, Hidde P. PhD; Anema, Johannes R. PhD; van der Beek, Allard J. PhD

Journal of Occupational and Environmental Medicine: January 2016 - Volume 58 - Issue 1 - p e6–e14
doi: 10.1097/JOM.0000000000000628

Objective: The aim of this study was to monitor the national scale up of the effective lifestyle intervention Health Under Construction in the Dutch construction industry.

Methods: Data were collected on seven process indicators, ie, reach, dose delivered, dose received, fidelity, competence, satisfaction, and barriers.

Results: The intervention reached 2.4% of the target group. Thirty-eight percent of the participants received five to seven consultations and 41% discussed all six intervention components. None of the counselors attained motivational interviewing proficiency. Participants perceived their counselor as competent and were satisfied with the intervention. Counselors were moderately satisfied with the intervention and experienced various barriers.

Conclusions: Even though important conditions for scale up were met, the implementation was characterized by a low reach, a high drop-out rate, and a low quality of the counseling technique.

Department of Public and Occupational Health, EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands (Ms Tonnon, Dr Proper, Dr van der Ploeg, Dr Anema, Dr van der Beek), Body@Work, TNO-VUmc, Amsterdam, Netherlands (Dr Proper, Dr van der Beek), and National Institute for Public Health and the Environment, Centre for Nutrition, Prevention and Health Services, Bilthoven, The Netherlands (Dr Proper).

Address correspondence to: Susanne C. Tonnon, MSc, VU medisch centrum, Amsterdam, Netherlands (

This study was funded by the Netherlands Organization for Health Research and Development (ZonMw).

The authors report no conflicts of interest.

Copyright © 2016 by the American College of Occupational and Environmental Medicine