Table 1.
Baseline Smoking by Demographic Characteristics for the Total Sample (N = 90,627)
| Light smokers, % (95% CI) | Heavier smokers, % (95% CI) | Number of participants | |
| Age (years) | |||
| 50–59 | 4.3 (4.1–4.5) | 3.9 (3.7–4.1) | 28,846 |
| 60–69 | 3.2 (3.0–3.4) | 3.0 (2.8–3.2) | 39,919 |
| 70–79 | 2.3 (2.1–2.5) | 1.7 (1.5–1.9) | 21,862 |
| Education | |||
| Less than high school | 5.3 (4.7–5.9) | 4.8 (4.2–5.4) | 4,576 |
| High school | 3.4 (3.1–3.7) | 3.5 (3.2–3.8) | 14,764 |
| Some school after high school | 3.7 (3.5–3.9) | 3.5 (3.3–3.7) | 33,106 |
| College degree | 2.7 (2.5–2.9) | 2.0 (1.9–2.1) | 38,181 |
| Race or ethnicity | |||
| American Indian/Alaskan Native | 5.3 (3.2–7.7) | 5.5 (3.3–7.9) | 397 |
| Asian/Pacific Islander | 2.4 (1.8–3.0) | 1.1 (0.6–1.4) | 2,623 |
| Black | 8.0 (7.4–8.6) | 3.2 (2.8–3.6) | 7,248 |
| Hispanic | 5.5 (4.7–6.3) | 1.2 (0.8–1.6) | 3,320 |
| White, not-of-Hispanic origin | 2.8 (2.7–2.9) | 3.1 (3.0–3.2) | 76,028 |
| Unknown | 3.9 (2.7–5.1) | 2.5 (1.5–3.4) | 1,011 |