Table 1

. Summary of the risk factor characteristics available for the participants in each HPV status

OverallBaseline HPV positiveNew HPV-type acquisitionAny HPV-type clearedAny HPV-type persisted
N = 133Yes (N = 90)No (N = 43)Yes (N = 24)No (N = 109)Yes (N = 75)No (N = 15)Yes (N = 29)No (N = 64)
Age range (mean ± SD)27–65 (43.8 ± 8.9)27–65 (42.9 ± 9.0)30–60 (45.7 ± 8.3)28–60 (39.9 ± 8.6)27–65a (44.6 ± 8.7)27–64 (42.6 ± 8.7)29–65 (44.4 ± 10.6)28–65 (42.4 ± 9.8)31–65 (40.0 ± 9.6)
Parity number
 010 (7.5%)9 (10.0%)1 (2.3%)5 (20.8%)5 (4.6%)b6 (8.0%)3 (20.0%)5 (17.2%)4 (6.3%)
 1111 (83.5%)73 (81.1%)38 (88.4%)18 (75.0%)93 (85.3%)63 (84.0%)10 (66.7%)21 (72.4%)52 (81.3%)
 212 (9.0%)8 (8.9%)4 (9.3%)1 (4.2%)11 (10.1%)6 (8.0%)2 (13.3%)3 (10.3%)5 (7.8%)
Delivery type
 Vaginal delivery77 (57.9%)52 (57.8%)25 (58.1%)10 (41.7%)67 (61.5%)44 (58.7%)8 (53.3%)15 (51.7%)37 (57.8%)
 Caesarean section28 (21.1%)22 (24.4%)6 (14.0%)5 (20.8%)23 (21.1%)19 (25.3%)3 (20.0%)6 (20.7%)16 (25.0%)
 Not available28 (21.1%)16 (17.8%)12 (27.9%)9 (37.5%)19 (17.4%)12 (16.0%)4 (26.7%)8 (27.6%)8 (12.5%)
Postmenopausal [n (%)]32 (24.1%)19 (21.1%)13 (30.2%)4 (16.7%)28 (25.7%)15 (20.0%)4 (26.7%)6 (20.7%)13 (20.3%)
Currently smoking [n (%)]11 (8.3%)8 (8.9%)3 (7.0%)3 (12.5%)8 (7.3%)8 (10.7%)0 (0.0%)1 (3.4%)7 (10.9%)
Hormonal contraception [n (%)]11 (8.3%)4 (4.4%)4 (9.3%)3 (12.5%)8 (7.3%)3 (4.0%)0 (0.0%)2 (6.9%)1 (1.6%)
  • NOTE: Bold text denotes significant P values (P < 0.05).

  • aP = 0.018.

  • bP = 0.019.