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. 2021 Apr 6;4(4):e214509. doi: 10.1001/jamanetworkopen.2021.4509

Table. Baseline Characteristics of African American and White Patients Undergoing Lung Cancer Screening.

Characteristics Patients, No. (%) P value
1276 Patients in full sample African American (n = 545) White (n = 731)
Age, mean (SD), y 64.09 (5.70) 64.37 (5.89) .40
Gender
Female 343 (62.9) 414 (56.6) .02
Male 202 (37.1) 317 (43.4)
Ethnicity
Hispanic/Latinx 1 (0.2) 48 (6.6) <.001
Smoking status
Current 348 (63.9) 358 (49.0) <.001
Former 197 (36.1) 373 (51.0)
Pack-years, mean (SD), y 48.71 (20.56) 57.95 (27.51) <.001
Cigarettes, mean (SD) 21.62 (8.45) 25.89 (11.79) <.001
Smoking duration, mean (SD), y 45.25 (7.15) 44.81 (8.18) .304
Time since quitting, mean (SD), y 5.16 (4.97) 6.69 (5.45) .001
Time smoked, mean (SD), y 45.25 (7.15) 44.81 (8.18) .30
Personal history of cancer 83 (15.6) 161 (22.6) .002
Family history of lung cancer 123 (22.6) 167 (22.8) .91
COPD 241 (44.2) 292 (39.9) .13
Body mass index, mean (SD)a 30.01 (7.27) 29.11 (6.42) .02
Education
Less than high school diploma 77 (14.1) 85 (11.6) <.001
High school graduate 243 (44.6) 287 (39.3)
Post high school training 19 (3.5) 28 (3.8)
Some college 113 (20.7) 119 (16.3)
College graduate 37 (6.8) 98 (13.4)
Post graduate/professional degree 19 (3.5) 60 (8.2)
Unknown 37 (6.8) 54 (7.4)
Insurance status
Medicare only 174 (31.9) 240 (32.8) <.001
Medicaid/dual eligible 192 (35.2) 134 (18.3)
Private only 138 (25.3) 243 (33.2)
Medicare with supplement 26 (4.8) 69 (9.4)
Private with supplement 10 (1.8) 24 (3.3)
Other/none 5 (0.9) 21 (2.9)
32 Patients with screen-detected lung cancer
Characteristics African American (n = 14) White (n = 18)
Age, mean (SD) 64.86 (5.60) 66.44 (5.87) NA
Gender
Female 12 (85.7) 11 (61.1) NA
Male 2 (14.3) 7 (38.9) NA
Histology NA
Adenocarcinoma 11 (78.6) 10 (55.6) NA
Squamous cell carcinoma 1 (7.1) 3 (16.7) NA
Small cell carcinoma 0 (0.0) 3 (16.7) NA
Neuroendocrine carcinoma 0 (0.0) 1 (5.6) NA
Non-small cell carcinoma 2 (14.3) 1 (5.6) NA
Stage
I 10 (71.4) 9 (50.0) NA
II 1 (7.1) 0 (0.0) NA
III 2 (14.3) 4 (22.2) NA
IV 1 (7.1) 2 (11.1) NA
Limited stage small cell 0 1 (5.6) NA
Extensive stage small cell 0 2 (11.1) NA

Abbreviation: COPD, chronic obstructive pulmonary disease.

a

Body mass index is calculated as weight in kilograms divided by height in meters squared.