Study on the Reliability of the Weighing Scales used in the 2008 Canadian Community Health Survey (CCHS) for the Measured Height and Weight (MHW) Module This document presents the results of the study on the reliability of the weighing scales used to collect measured height and weight (MHW) module data. Physical height and weight measurements were taken for a subsample of about 5,000 respondents of the 2008 Canadian Community Health Survey (CCHS). The data collection for this survey is managed in 4 regional offices: Edmonton, Montréal, Halifax and Toronto.