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Table 1 Demographics of 12,656 biopsied participants
| Mean ± SD | Median (Range) | |
|---|---|---|
| Age in years | 41.5 ± 7.2 | 41 (19-65) |
| Age at menarche in years | 15.7 ± 1.9 | 16 (10-26) |
| Sexual history | ||
| Age at sexual debut in years | 20.9 ± 2.3 | 21 (13-37) |
| Number of pregnancies | 3.0 ± 1.3 | (0-16) |
| Number of live births | 2.3 ± 1.0 | (0-14) |
| Number of sexual partners | 1.5 ± 1.2 | (0-40) |
| Number (n) | Percentage (%) | |
| Marital status | ||
| Single | 34 | 0.30 % |
| Married | 12081 | 96.10 % |
| Widowed | 235 | 1.90 % |
| Divorced | 77 | 0.60 % |
| Education level | ||
| <Primary school | 1262 | 10.00 % |
| Primary school | 4055 | 32.20 % |
| Middle school | 6088 | 48.40 % |
| High school or above | 1027 | 8.20 % |
| Current contraceptiveuse | ||
| Yes | 11510 | 91.50 % |
| Contraceptive method | ||
| Oral contraceptive pill | 269 | 2.30 % |
| Condom | 473 | 4.10 % |
| IUD | 3476 | 30.20 % |
| Sterilization | 8913 | 77.40 % |
| Smoking history | ||
| Never smoked | 12061 | 95.90 % |
| Quit smoking | 40 | 0.30 % |
| Current smoker | 271 | 2.20 % |
