Table 2.

Summary of Participant Characteristics

Study	Participants, No.	Lung Cancer Screening Eligible, %	Mean Age, y	Female, %	White, %	Black, %	High School Education or Less, %	Current Smoker, %	Mean Pack-Years
Randomized controlled trial: Ruparel et al26 (2019)
Booklet	109	100a	60-76 (Range)	49.5	84.4	7.3	61.5	NR	35 (Median)
Booklet + film	120	100a	60-76 (Range)	54.2	81.7	10.8	60.8	NR	38 (Median)
Observational study with comparison: Tanner et al28 (2019)
In-person	69	100	64.1	52.2	64.2	28.5	43.4	NR	NR
Telephone	68	100	65.2	5.9	63.2	27.9	36.8	NR	NR
Observational study without comparison: Dharod et al22 (2019)	1,000	28b,c	65	51	84	14	NR	19	NR
Before/after study
Volk et al15 (2014)	52	27	58.5	65.4	74.8	19.2	32.7	44.2	30
Lau et al16 (2015)	60	18	60.6	50	88	12	9	27	24.1
Crothers et al17 (2016)	45	44	61	29	58	31	57	76	37 (Median)
Housten et al19 (2018)	30	NR	61.5	50	63.3	30	23.3	60.7	30.4
Mazzone et al18 (2017)	125	100	64.4	33.9	NR	NR	37.9	45.2	53
Reuland et al21 (2018)	50	100	63	48	58	30	50	46	52
McDonnell et al20 (2018)	20	100b	64.5	70	NR	50	NR	NR	NR
Hoffman et al24 (2018)	30	NR	61.5	50	63.3	30	23.3	67	30.4
Fagan et al23 (2020)	28	100	62.6	53.6	78.6	17.9	NR	67.9	46.5
Manners et al25 (2020)
Eligible	36	100d	67.7	42	NR	NR	86	22	59.1
Ineligible	19	0d	65.4	58	NR	NR	43	5	65.4
Sakoda et al27 (2020)	680	39.6	64.3 (Median)	40.2	75.9	3.9	NR	53.7	NR

NR = not reported.

Eligibility criteria used in each study:

^aUnited States Preventive Services Task Force, lung-cancer risk-prediction model from Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial_, ≥1.51%; Liverpool Lung Project prediction model for lung cancer model, ≥ 2.5%.

^bCenter for Medicaid Services criteria

^cPercentage of eligible patients among 349 patients who completed an eligibility screening tool.

^dLung-cancer risk-prediction model from Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial ≥ 1.5%, otherwise the United States Preventive Services Task Force criteria.