It would be interested to know further coorelation. Are they poor because they smoke or do they smoke because they are poor?
Is it because they cannot afford smoking cessation programs? Stress? Hopelessness?
It is a bit counter-intuitive. It is an expensive habit -- it has been for many, many years. So it would seem to be something that people who cannot afford it would not do.
Are there any other correlations that might help explain it? Education level -- anything like that?
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