Table 1.
Participant sociodemographic and medical characteristics by e‐cigarette use status
| Current e‐cigarette use (n = 56) | Former e‐cigarette use (n = 93) | P‐value (vs current use) | Never e‐cigarette use (n = 153) | P‐value (vs current use) | |
|---|---|---|---|---|---|
| Age—mean (SD) | 56.8 (10.2) | 57.7 (10.1) | .61 | 59.2 (9.3) | .11 |
| Sex—n(%) | |||||
| Female | 39 (69.6) | 51 (54.8) | .07 | 79 (51.6) | .02 |
| Male | 17 (30.4) | 42 (45.2) | 74 (48.4) | ||
| Racea—n(%) | |||||
| White | 51 (91.1) | 76 (81.7) | .28 | 127 (83.0) | .35 |
| Black | 3 (5.4) | 12 (12.9) | 15 (9.8) | ||
| Other | 2 (3.6) | 5 (5.4) | 11 (7.2) | ||
| Hispanic ethnicitya | 2 (3.6) | 5 (5.5) | .60 | 5 (3.3) | .93 |
| Educationa—n(%) | |||||
| High school graduate or less | 24 (42.9) | 21 (23.3) | .03 | 48 (32.4) | .16 |
| Some college/vocational school | 22 (39.3) | 41 (45.6) | 55 (37.2) | ||
| College graduate or more | 10 (17.9) | 28 (31.1) | 45 (30.4) | ||
| Marital statusa—n(%) | |||||
| Married/living as married | 32 (57.1) | 47 (52.8) | .69 | 85 (57.1) | .83 |
| Single, never married | 7 (12.5) | 18 (20.2) | 13 (8.7) | ||
| Divorced or separated | 14 (25.0) | 20 (22.5) | 40 (26.9) | ||
| Widowed | 3 (5.4) | 4 (4.5) | 11 (7.4) | ||
| Types of insurancea , b—n(%) | |||||
| Employer‐sponsored/Military | 28 (50.0) | 38 (42.7) | .30 | 64 (43.2) | .84 |
| Medicaid | 4 (7.1) | 15 (16.9) | 18 (12.2) | ||
| Medicare | 13 (23.2) | 22 (24.7) | 36 (24.3) | ||
| Individual (self‐purchased) | 7 (12.5) | 12 (13.5) | 18 (12.2) | ||
| Other | 4 (7.1) | 2 (2.3) | 12 (8.1) | ||
| Number of medical comorbidities—n(%) | |||||
| 0 | 18 (32.1) | 38 (40.9) | .06 | 69 (45.1) | .19 |
| 1 | 25 (44.6) | 24 (25.8) | 50 (32.7) | ||
| ≥2 | 13 (23.2) | 31 (33.3) | 34 (22.2) | ||
| Smoking‐related cancer—n(%) | 38 (67.9) | 54 (58.1) | .23 | 88 (57.5) | .18 |
| Cancer diagnosis—n(%) | |||||
| Lung | 19 (33.9) | 23 (24.7) | .90 | 45 (29.4) | .96 |
| Head and neck | 8 (14.3) | 7 (7.5) | 16 (10.5) | ||
| Esophageal | 2 (3.6) | 3 (3.2) | 2 (1.3) | ||
| Bladder | 2 (3.6) | 7 (7.5) | 9 (5.9) | ||
| Kidney | 1 (1.8) | 3 (3.2) | 4 (2.6) | ||
| Liver | 1 (1.8) | 3 (3.2) | 3 (2.0) | ||
| Pancreatic | 2 (3.6) | 2 (2.2) | 2 (1.3) | ||
| Colorectal | 2 (3.6) | 3 (3.2) | 3 (2.0) | ||
| Anal | 1 (1.8) | 1 (1.1) | 2 (1.3) | ||
| Small intestinal | 0 (0) | 1 (1.1) | 0 (0) | ||
| Gastric | 0 (0) | 0 (0) | 1 (0.7) | ||
| Cervical | 0 (0) | 1 (1.1) | 1 (0.7) | ||
| Prostate | 2 (3.6) | 5 (5.4) | 16 (10.5) | ||
| Testicular | 0 (0) | 1 (1.1) | 0 (0) | ||
| Breast | 12 (21.4) | 28 (30.1) | 37 (24.2) | ||
| Lymphoma | 2 (3.6) | 3 (3.2) | 4 (2.6) | ||
| Melanoma | 1 (1.8) | 2 (2.2) | 3 (2.0) | ||
| Noncervical gynecologic cancer | 1 (1.8) | 0 (0) | 4 (2.6) | ||
| Penile | 0 (0) | 0 (0) | 1 (0.7) | ||
a
Missing data were as follows: 5 for Hispanic ethnicity, 8 for education, 8 for marital status, 9 for insurance.
b
Options were not mutually exclusive and therefore percentages may not add up to 100%.