TABLE 2.
Tobacco Use Variables Recorded in 10 Central Cancer Registries, 2011-2013, Excluding Cases With an Unknown Status
| Tobacco Variable Category, No. of Cases (%)a |
||||
|---|---|---|---|---|
| Response | Cigarettes (n = 846,212) | Other Smoked (n = 705,639)b | Smokeless (n = 709,635) | NOS (n = 714,844) |
| Never user | 432,113 (51.1) | 686,071 (97.2) | 696,404 (98.1) | 666,995 (93.3) |
| Current user | 149,063 (17.6) | 9980 (1.4) | 6493 (0.9) | 17,373 (2.4) |
| Former user | 265,036 (31.3) | 9588 (1.4) | 6738 (1.0) | 30,476 (4.3) |
| Quit within 1 y from diagnosis | 22,574 (2.7) | 1190 (0.2) | 1007 (0.1) | 2729 (0.4) |
| Quit more than 1 y before diagnosis | 199,764 (23.6) | 5984 (0.8) | 3879 (0.6) | 22,509 (3.1) |
| Unknown time since quitting | 42,698 (5.0) | 2414 (0.3) | 1852 (0.3) | 5238 (0.7) |
Abbreviation: NOS, not otherwise specified.
a
The tobacco use cigarette variable excluded 800,290 unknowns and 3 cases with blank values, the tobacco use other smoked variable excluded 940,863 unknowns and 3 blanks, the tobacco use smokeless variable excluded 936,867 unknowns and 3 blanks, and the tobacco use NOS variable excluded 931,657 unknowns and 4 blanks.
b
Smoked tobacco products other than cigarettes (eg, pipes, cigars, and kreteks).