Histogram

Smokeless user, current smoker vs STAGES Visit
Alliance Sleep Questionnaire
Total 1,881
No 1,635
Yes 41
Unknown 205
Smokeless user, current smoker vs Participant's sex
Alliance Sleep Questionnaire
Male Female Total
Total 868 991 1,859
No 752 883 1,635
Yes 26 15 41
Unknown 90 93 183