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. Author manuscript; available in PMC: 2016 Dec 15.
Published in final edited form as: Cancer. 2015 Sep 15;121(24):4341–4347. doi: 10.1002/cncr.29677

TABLE 1.

Unweighted Counts of Respondents to the 2012 HRS Survey

Category All Ages
Aged 55 to 80 Years
No. % No. %
Meets USPSTF criteria for lung cancer screening 2223 9.4 1775 10.5
Current smoker, ≥ 30 pack-y 1332 5.6 1066 6.3
Former smoker, ≥ 30 pack-y, quit within past 15 y 891 3.8 709 4.2
Other former or current smokers 10,673 45.0 7654 45.3
Current smoker, < 30 pack-y 1828 7.7 1250 7.4
Current smoker, missing pack-y 153 0.6 113 0.7
Former smoker, < 30 pack-y, quit within past 15 y 1235 5.2 872 5.2
Former smoker, missing pack-y, quit within past 15 y 9 0.0 9 0.1
Former smoker, quit > 15 y ago 7043 29.7 5107 30.2
Smoker, missing pack-y and current smoking status 405 1.7 303 1.8
Never smoked 10,357 43.6 7190 42.5
Smoking status missing 477 2.0 282 1.7
Total 23,730 100.0 16,901 100.0

Abbreviations: HRS, Health and Retirement Study; USPSTF, United States Preventive Services Task Force.