Adjusted odds ratios of smoking group membership as a function of demographics, comorbidities, and health characteristics and behaviors.

Note. Presented are odds ratios (and in brackets 95% confidence intervals for the odds ratios) obtained from a multinomial logistic regression, representing the relative odds of being in the group indicated vs. being in the reference group of current smokers (n = 5,923). The multinomial logistic regression had a significant overall fit, with χ2 = 10361 (df = 81), p* p†Former smokers include those who have quit smoking, as well as those who are not currently smoking because they are in the process of quitting.§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.