Quantiles of the duration distribution of the Seattle Sex Partner Survey data by various methods (see text)
| 0.1 | 0.25 (lower quartile) | 0.5 (median) | 0.75 (upper quartile) | 0.9 | ||
| Current duration* | 0 days† | 11.5 days | 2.1 months | 10.9 months | 31.4 months | |
| Total duration | ||||||
| Unadjusted* | All | 7.0 days | 33.5 days | 9.0 months | 49.5 months | 103 months |
| Truncation adjusted | All (95% CI)‡ | 3.0 days (1.5 to 5.0) | 12.0 days (10.5 to 14.0) | 1.6 months (1.4 to 2.0) | 6.8 months (5.7 to 7.9) | 16.8 months (14.2 to 20.9) |
| Adolescent health facility clinic (95% CI)‡ | 5.0 days (3.5 to 10.5) | 19.0 days (13.0 to 53.5) | 5.3 months (3.1 to 7.3) | 19.1 months (12.3 to 24.4) | 28.5 months (24.3 to 50.4) | |
| STD clinic (95% CI)‡ | 2.0 days (1.0 to 4.5) | 11.0 days (9.5 to 12.5) | 1.3 months (1.1 to 1.6) | 4.9 months (3.8 to 6.3) | 11.9 months (10.0 to 14.9) | |