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Non-adherence with medications is a general medical issue that has received much attention. However, the majority of studies have been on various clinical populations and the relevance of their results to the general population is unknown. In this study, we sought to determine the degree of non-adherence with antidepressants, antipsychotics, anxiolytics, mood stabilizers and sedative hypnotics, and to determine the reasons for non-adherence, in the general population of Canada.

We used data from the Canadian Community Health Survey: Mental Health and Well-Being (CCHS 1.2), conducted in 2002 (n = 36,984 adults), to produce population-based estimates of the degree of reported non-adherence with psychotropic medications and the reasons for non-adherence.

The number of …