Studies in multiple countries have identified an association between smoking and mental health, including a recent Canadian analysis linking smoking with a number of mental health problems, such as anxiety, mood disorders and depression.iii Figure 1.13 (below) shows self-reported ratings of mental health by smoking status. While the proportion of respondents who reported “excellent” or “very good” mental health was high overall, it was significantly lower among current smokers (56%) than former smokers (69%) or never smokers (77%).25

See data table below with 95% confidence intervals.


See data table below with 95% confidence intervals.A similar pattern was observed among both males and females, with little variation from the overall estimates shown above in Figure 1.13 (data not shown).

Within each age group, the proportion of respondents reporting “excellent” or “very good” mental health was significantly lower among current smokers than never-smokers 26-30 (Figure 1.14).