Traditionally, information about psychiatric epidemiology (including the patterns of major depression in Canada) has come from national surveys, such as the two major surveys conducted by Statistics Canada on mental health. One of these was conducted in 2002 and another in 2012. However, a lot of information is available from general health surveys too - and of course from other data sources. The challenge when there are bits and pieces of information available from different sources is to be able to synthesize this information in a meaningful way. Fortunately, there are good statistical tools available for this task. Many of the posts in this blog have described specific results from these data synthesis strategies. In 2015 I presented an update of some of these results at a conference sponsored by Canada's Research Data Centres. The presentation is available on Youtube, if you would like to see it, please click here.
This supplements early summaries (including an earlier one that is recorded on Youtube also, to see it click here). A more formal summary of some of the basic descriptive epidemiology has been published in the Canadian Journal of Psychiatry, here.