Table 1 Characteristics at baseline (at enrolment in the cohort) according to pregnancy status in the course of follow-up
From: Risk of Human Papillomavirus (HPV) Infection and Cervical Neoplasia after Pregnancy
Characteristics at baseline | Women without pregnancy in the course of follow-up | Pregnant women who reintegrated the cohort following pregnancy | Pregnant women who did not reintegrate the cohort following pregnancy | *p-value | |
|---|---|---|---|---|---|
N = 2353 | N = 29 | N = 93 | |||
Age (mean, SD) | 32.7 (8.8) | 26.7 (6.1) | 27.2 (5.4) | 0.609 | |
Age (median, IQR) | 32.0 (26.0-39.0) | 26.0 (21.0-31.5) | 27.0 (22.3-31.0) | ||
(%) | (%) | (%) | |||
Cytology | Negative | 96.2 | 86.2 | 90.0 | |
ASC/AGUS | 1.7 | 0.0 | 5.0 | 0.221 | |
LSIL | 1.2 | 6.9 | 1.3 | ||
HSIL | 0.7 | 6.9 | 3.8 | ||
HPV status | Neg | 82.6 | 72.4 | 77.5 | |
LR-HPV only | 6.4 | 10.3 | 5.0 | 0.600 | |
Any-HR | 10.1 | 17.2 | 16.3 | ||
Ethnicity | White | 64.9 | 55.2 | 53.8 | |
Nonwhite | 35.1 | 44.8 | 46.3 | 0.895 | |
Marital status | Single | 10.3 | 6.9 | 10.0 | 0.148 |
Married | 48.3 | 48.3 | 35.0 | ||
Unmarried, but living with partner | 33.1 | 37.9 | 53.8 | ||
Widowed/Separated | 8.3 | 3.5 | 1.3 | ||
Quartiles of income | 1 (lowest) | 24.8 | 37.9 | 27.9 | |
2 | 24.8 | 17.2 | 25.3 | 0.069 | |
3 | 25.3 | 34.5 | 17.7 | ||
4 (highest) | 25.1 | 10.3 | 29.1 | ||
Age at first intercourse | 20+ | 26.4 | 13.8 | 12.5 | |
18-19 | 21.2 | 0.0 | 25.0 | 0.324 | |
16-17 | 25.6 | 37.9 | 26.3 | ||
<=15 | 26.9 | 48.3 | 36.3 | ||
Previous pregnancy | 0-1 | 16.9 | 24.1 | 20.0 | |
2--3 | 42.8 | 24.1 | 42.5 | ||
4--6 | 30.1 | 44.8 | 27.5 | 0.231 | |
7+ | 10.2 | 6.9 | 10.0 | ||
Lifetime number of sexual partners | 0-1 | 44.3 | 44.8 | 41.3 | |
2-3 | 34.7 | 31.0 | 40.0 | ||
4+ | 20.9 | 24.1 | 18.8 | 0.662 | |
Ever had PAP cytology before | No | 5.0 | 3.5 | 12.5 | |
Yes | 95.0 | 96.6 | 87.5 | 0.166 | |
Smoking | Never | 47.6 | 51.7 | 40.0 | |
Current | 34.9 | 27.6 | 43.8 | 0.312 | |
Former | 17.4 | 20.7 | 16.3 | ||