Table 4:
Smoking exposure assessment methods and distribution, by cohort in the PUMA study.
| Study (reference) | Assessment methods | Prevalence of smoking |
|---|---|---|
| Eldoradoa (37) | Nested case-control data derived from interview | 96% (cases)/88% (controls) |
| Ontario (65) | Medical records, interview, and mail survey | ~80% |
| Czech Republic (39) | Nested case-control data derived from medical files and interview | 92% (cases)/72% (controls) |
| France (41) | Nested case-control data derived from medical files and a questionnaire | 90% (cases)/73% (controls) |
| Wismut (66) | Nested case-control data derived from medical files and interview | 95% (cases)/75% (controls) |
| Colorado Plateau (24) | Cigarette use: duration, rate, cessation from surveys in the 1950s, 1960s, and 1985 | 77% |
| New Mexico (23) | Cigarette use: duration, rate, cessation (at last exam) from medical files | 79% |
a
Beaverlodge miners