Table 2.
Incident cancer case numbers, and incidence rates in women, stratified by sexual history.
| Cases | Overall Cancer Incidence in UKBB per 1000 Person-Years Follow up | |
|---|---|---|
| Breast | ||
| Women who have sex exclusively with men | 6921 | 3.10 (3.03–3.17) |
| Women who have sex with women and men | 158 | 2.92 (2.48–3.41) |
| Women who have sex exclusively with women | 14 | 1.91 (1.04–3.20) |
| Lung | ||
| Women who have sex exclusively with men | 1444 | 0.616 (0.585–0.649) |
| Women who have sex with women and men | 38 | 0.676 (0.478–0.928) |
| Women who have sex exclusively with women | 6 | 0.790 (0.290–1.72) |
| Colorectal | ||
| Women who have sex exclusively with men | 1892 | 0.811 (0.775–0.849) |
| Women who have sex with women and men | 34 | 0.606 (0.291–1.73) |
| Women who have sex exclusively with women | 6 | 0.794 (0.420–0.846 |