Table 6.
Current cigar smoking and esophageal cancer
| Study | Cohort name | Cigar smoker deaths | Effect estimate | 95% CI | Measure | Primary/secondary* | Adjustment | ICD codes |
|---|---|---|---|---|---|---|---|---|
| Current Cigar | ||||||||
| Kahn1966 | Dorn study | 12 | 5.33 | (2.74, 9.34) | SMR | Age | ICD 8: 150 | |
| Carstensen1987 | Swedish Census Cohort | 2 | 6.5 | (0.61, 23.90) | SMR | Age, residence | ICD 8: 150 | |
| Shanks1998 | CPS-I | 19 | 3.6 | (2.17, 5.62) | IRR | Primary | Age | |
| Shanks1998 | CPS-I | 7 | 3.52 | (1.41, 7.25) | IRR | Secondary | Age | |
| Shapiro2000 | CPS-II | 9 | 1.8 | (0.90, 3.70) | HR | Primary | Age, alcohol, smokeless tobacco | ICD 9: 150 |
*Primary cigar smoking: current, exclusive cigar smoking with no previous history of cigarette or pipe smoking; secondary cigar smoking: current, exclusive cigar smoking with previous history of cigarette or pipe smoking.