Measuring waist and hip circumference Quality assurance

Based on EHES Manual, Part B. Fieldwork Procedures, 2nd edition (2016) Available at: http://urn.fi/URN:ISBN:978-952-302-701-5 These slides can be used freely, translated and adapted to national use (e.g. concerning the equipment). However, it is important to keep in mind that no changes should be made to the measurement techniques, which need to be standardized.

Quality assurance of waist and hip circumference measurements Training of the personnel Checking the equipment Audit visits Evaluation of the measurement data during the fieldwork

Quality control by the coordinating office Audit visits during the fieldwork Observations by fieldwork coordinators and/or trainers External audits Monitoring the quality of the measurement data: the distribution of terminal digit of the measurement by measurer the distribution of the terminal digits for full centimeters by measurer mean and standard deviation of the measurements by measurer number and reasons why measurements are not done daily work load (number of measurements per day by measurer) Feedback to the measurers and re-training if needed

Acknowledgements Slides prepared by: Annamari Lundqvist, Hanna Tolonen, Päivikki Koponen Experiences and feedback from the EHES network have been utilized in the preparation of these slides Funding: Preparation of the slides is part of the activities of the EHES Coordinating Centre which has received funding from the EC/DG SANTÉ in 2009-2012 through SANCO/2008/C2/02-SI2.538318 EHES and Grand Agreement number 2009-23-01, and in 2015-2017 through Grand Agreement number 664691/BRIDGE Health

Disclaimer The views expressed here are those of the authors and they do not represent the Commission’s official position.