Individual level characteristics, neighbourhood SES, convenience store concentration, and number of cigarettes smoked per day, Stanford heart disease prevention programme (1979–1990) (n = 8121)
| Characteristics | Distribution (%) | Number of cigarettes (mean) |
|---|---|---|
| FPL, federal poverty level. *Tertiles based on the distribution at each survey. | ||
| Sex | ||
| Women | 54.6 | 4.4 |
| Men | 45.4 | 5.6 |
| Age | ||
| 25–34 | 30.8 | 4.3 |
| 35–44 | 23.4 | 5.8 |
| 45–54 | 16.9 | 6.2 |
| 55–64 | 16.8 | 4.9 |
| 65–74 | 12.1 | 3.2 |
| Race/ethnicity | ||
| White, non-Hispanic | 83.2 | 5.2 |
| Hispanic | 10.7 | 2.6 |
| Other, non-Hispanic | 6.1 | 4.6 |
| Education | ||
| <12 years | 16.0 | 5.9 |
| 12 years | 27.0 | 6.3 |
| 13–15 years | 27.1 | 5.0 |
| >15 years | 29.9 | 3.1 |
| Poverty status | ||
| 0%–200% FPL | 22.1 | 5.4 |
| 201%–400% FPL | 35.5 | 5.0 |
| 401%–600% FPL | 23.3 | 4.7 |
| >600% FPL | 19.1 | 4.5 |
| Neighbourhood SES* | ||
| Low | 33.4 | 5.9 |
| Middle | 32.0 | 5.0 |
| High | 34.6 | 3.9 |
| Convenience store density (stores/square mile)* | ||
| High | 33.9 | 5.6 |
| Middle | 33.8 | 4.5 |
| Low | 32.3 | 4.6 |
| Convenience store distance (miles)* | ||
| Close | 33.3 | 5.5 |
| Middle | 33.3 | 5.0 |
| Far | 33.4 | 4.5 |
| Convenience store count (number of stores within a one mile radius)* | ||
| High | 31.6 | 5.2 |
| Middle | 36.0 | 5.4 |
| Low | 32.4 | 4.3 |