Risk for cervical cancer by numbers of partners with whom parents had children
| Tumor type . | Mother 1, father 1 . | . | Mother >1, father 1 . | . | Mother 1, father >1 . | . | Mother >1, father >1 . | . | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| . | Observed . | SIR (95% CI) . | Observed . | SIR (95% CI) . | Observed . | SIR (95% CI) . | Observed . | SIR (95% CI) . | ||||
| Invasive | 4,114 | 1.00 (0.97-1.03) | 306 | 1.09 (0.97-1.22) | 401 | 1.14 (1.03-1.26) | 236 | 1.19 (1.05-1.36) | ||||
| Invasive + in situ | 74,437 | 1.00 (0.99-1.01) | 6,932 | 1.24 (1.21-1.27) | 8,593 | 1.21 (1.18-1.23) | 5,467 | 1.29 (1.26-1.33) | ||||
| Tumor type . | Mother 1, father 1 . | . | Mother >1, father 1 . | . | Mother 1, father >1 . | . | Mother >1, father >1 . | . | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| . | Observed . | SIR (95% CI) . | Observed . | SIR (95% CI) . | Observed . | SIR (95% CI) . | Observed . | SIR (95% CI) . | ||||
| Invasive | 4,114 | 1.00 (0.97-1.03) | 306 | 1.09 (0.97-1.22) | 401 | 1.14 (1.03-1.26) | 236 | 1.19 (1.05-1.36) | ||||
| Invasive + in situ | 74,437 | 1.00 (0.99-1.01) | 6,932 | 1.24 (1.21-1.27) | 8,593 | 1.21 (1.18-1.23) | 5,467 | 1.29 (1.26-1.33) | ||||
NOTE: Boldfaced, 95% CI and 99% CI do not include 1.00.