Comparison of characteristics across smoking groups based on the 2011 National Health and Wellness Survey (NHWS).

Note. Superscripts represent columns whose percentage is significantly different from the column (A) at p†Respiratory/cardiovascular conditions include diagnoses of any of the following: COPD, asthma, emphysema, chronic bronchitis, hypertension, and heart attack.‡Mental health conditions include any of the following: diagnoses of bipolar disorder, depression, GAD, anxiety, and OCD; and experiences of insomnia and alcoholism.‡‡Headache/migraine conditions include diagnoses of any of the following: headache and migraine.