Table 1 Demographic and other characteristics of former cigarette smokers in Cancer Prevention Study‐II who quit using tobacco entirely (“quit entirely”) or those who substituted spit tobacco for cigarette smoking (“switcher”)*.
| Former cigarette smokers | ||
|---|---|---|
| Characteristics | Quit entirely | Switcher |
| n = 116 395 (%) | 111 952 (96) | 4443 (4) |
| Median age at enrolment (years) | 58 | 56 |
| White (%) | 96 | 98 |
| Educational level (%) | ||
| <High school | 13 | 30 |
| High school graduate | 19 | 27 |
| Some college | 29 | 26 |
| College graduate | 20 | 9 |
| Graduate school | 18 | 6 |
| Current alcohol consumption (%) | ||
| Non‐drinker | 13 | 16 |
| <1 drink/day | 15 | 10 |
| 1 drink/day | 8 | 5 |
| 2–3 drinks/day | 12 | 8 |
| ⩾4+ drinks/day | 7 | 6 |
| Amount of exercise (%) | ||
| None/slight | 25 | 16 |
| Moderate | 64 | 67 |
| Heavy | 10 | 17 |
| Aspirin use (%) | 57 | 57 |
| Currently employed (%) | 70 | 67 |
| Blue‐collar occupation (%) | 23 | 45 |
| Mean body mass index (kg/m2) | 26.1 | 26.2 |
| Mean weekly vegetable/fruit intake | 18 | 16 |
| Mean weekly dietary fat consumption | 282 | 310 |
| Prevalent disease at enrolment (%) | ||
| Cancer | 6 | 5 |
| Heart disease or diabetes | 18 | 19 |
| Stroke | 2 | 2 |
| Chronic bronchitis/emphysema | 6 | 10 |
| Any of the above | 27 | 30 |
*Percentages may not sum to 100 because of missing values.