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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: JAMA Oncol. 2015 Nov;1(8):1051–1059. doi: 10.1001/jamaoncol.2015.2639

Table 2. Patient Characteristics (N=940).

Characteristic No. %
Age at enrollment
 Median 59
 Range 19 - 91

Age group
 <30 23 2.5%
 30-64 597 63.5%
 65-74 235 25.0%
 ≥75 85 9.0%

Gender
 Female 539 57.3%
 Male 401 42.7%

Ethnicity
 Hispanic or Latino 56 6.0%
 Not Hispanic or Latino 832 88.5%
 Missing 52 5.5%

Race
 White 675 71.8%
 Black or African American 203 21.6%
 Asian 42 4.5%
 Other or multiple races reported 8 0.9%
 Missing 12 1.3%

Education
 High school or less 305 32.4%
 Some college 199 21.2%
 College graduate or more 415 44.1%
 Missing 21 2.2%

Cancer type
 Lung, head or neck 329 35.0%
 Breast 260 27.7%
 Genitourinary or gynecologic 172 18.3%
 Gastrointestinal 95 10.1%
 Hematologic 47 5.0%
 Other or unknown 37 3.9%

ECOG Performance Status at first visit
 0-1 779 82.9%
 2-4 161 17.1%

Cancer treatment in prior two weeks
Chemotherapy 522 55.5%
Radiation 424 45.1%
Surgery 35 3.7%

Abbreviation: ECOG, Eastern Cooperative Oncology Group