Data Source:

Statistics Canada. Canadian Community Health Survey Public Use Microdata Files (PUMF).

Statistics Canada. Table 13-10-0113-01  Health characteristics, two-year period estimates and Table 13-10-0452-01  Health indicators, two-year period estimates

Methodology: For a detailed description of the methodology, please see Statistics Canada webpage. Please note that the CCHS methodology significantly changed with the 2015 cycle. Comparing data between previous cycles and the 2015 cycle onwards is not recommended. For this reason, trend graphs in the dashboard are presented separately for the time periods before and after the methodology change.

Data Quality and Suppression:  Statistics Canada uses the coefficient of variation (CV) to establish the reliability of the estimates provided from CCHS data. The CV is produced using bootstrap techniques. Data with a CV greater than 35.0% or that did not meet the minimum sample size requirement are suppressed due to extreme sampling variability. Likewise, values whose CV is between 15.1% and 35.0% are marginal estimates and are labelled as to be interpreted with caution.

Measures: CCHS does not provide data at BC Health Authority level starting from 2015/16 cycles. As such, HA level data for these cycles was calculated in-house at BCCDC using the PUMF file and analysis using bootstrap weights as described/recommended in the CCHS PUMF User Guides.

The dashboard includes measures reported in the common annual component of the survey and does not include measures reported in optional components selected for BC during any given survey cycle.

Time period covered: The dashboard includes data from surveys performed between 2007/08 – 2017/18.

Updates: The dashboard will be updated every two years in accordance with the Canada Statistics release of CCHS two year sample files.