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Self-reported smoking history among men and women with colonoscopy in the New Hampshire Colonoscopy Registry from 2004–2006.
| Smoking History | |||
|---|---|---|---|
| No Pack-Years | ≤15 Pack-Years | >15 Pack-Years | |
| Men | 1135 (50) | 492 (21) | 658 (29) |
| Women | 1730 (56) | 751 (24) | 630 (20) |
