Table 1. Sociodemographic characteristics of the study participants.
| Sociodemographic characteristics | Exclusive cigarette smokers (n=353) | Dual users (n=367) |
|---|---|---|
| Age (years), mean (SD) | 47 (10.4) | 44.3 (9.6) |
| Age category (years), n (%) | ||
| 21‐24 | 6 (1.7) | 5 (1.4) |
| 25‐34 | 39 (11) | 58 (15.8) |
| 35‐44 | 100 (28.3) | 122 (33.2) |
| 45‐64 | 208 (58.9) | 182 (49.6) |
| Sex, n (%) | ||
| Male | 126 (35.7) | 181 (49.3) |
| Female | 227 (64.3) | 186 (50.7) |
| Ethnicity, n (%) | ||
| Hispanic or Latino | 54 (15.3) | 37 (10.1) |
| Not Hispanic or Latino | 299 (84.7) | 330 (89.9) |
| Prefer not to answer | 0 (0) | 0 (0) |
| Race, n (%) | ||
| White | 226 (64) | 228 (62.1) |
| Black | 107 (30.3) | 111 (30.2) |
| Another or multiple races | 20 (5.7) | 28 (7.6) |
| Prefer not to answer | 0 (0) | 0 (0) |
| Level of education, n (%)a | ||
| Less than college graduate | 242 (68.6) | 197 (53.7) |
| College graduate or higher | 111 (31.4) | 170 (46.3) |
| Prefer not to answer | 0 (0) | 0 (0) |
| Annual household income, n (%)b | ||
| Less than $75,000 | 217 (61.5) | 205 (55.9) |
| $75,000 or higher | 135 (38.2) | 159 (43.3) |
| Prefer not to answer | 0 (0) | 2 (0.5) |
| Don’t know | 1 (0.3) | 1 (0.3) |
Level of education was based on the following response options: less than college graduate (less than high school; some high school or general education diploma; high school graduate; some college), college graduate or higher (college graduate; advanced degree), and prefer not to answer.
Annual household income was based on the following response options: less than US $75,000 (less than US $10,000; US $10,000 to $29,999; US $30,000 to $44,999; US $45,000 to $59,999; US $60,000 to $74,999), US $75,000 or higher (US $75,000 to $99,999; US $100,000 to $149,999; US $150,000 or higher), prefer not to answer, and don’t know.