Table 1: Patient demographics and clinical variables, .

Age, mean (SD), range57.7 (11.0), range 32–87
Performance status
 0145 (95%)
 17 (5%)
Body mass index (kg/m2), mean (SD), range37.5 (8.7), range 22.5–64.7
 <3029 (19.1%)
 30–3969 (45.4%)
 ≥4054 (35.5%)
Adjuvant radiation therapy61 (40%)
Smoking
 Never111 (73.0%)
 <5.0 pack years5 (3.3%)
 ≥5.0 pack years36 (23.7%)
Education
 High school45 (29.6%)
 Some college42 (27.6%)
 College graduate or higher65 (42.8%)
Stage of cancer
 I141 (92.8%)
 II11 (7.2%)
Married93 (61.2%)
Selected comorbidities
 Hypertension70 (46.1%)
 Diabetes mellitus34 (22.4%)
Time since diagnosis (months), median14.6
Race
 Caucasian143 (94.1%)
 African American7 (4.6%)
 Other2 (1.3%)

n (%) presented unless otherwise noted.