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Table 1 Demographic and behavioral characteristics of eligible women with incident HPV 6, 11, 16 or 18 infections

From: Progression and regression of incident cervical HPV 6, 11, 16 and 18 infections in young women

Variable HPV 6 N = 103 n (%) HPV 11 N = 13 n (%) HPV 16 N = 142 n (%) HPV 18 N = 62 n (%)
Age Group     
16–19 6 (5.8) 0 (0.0) 13 (9.2) 8 (12.9)
20–23 77 (74.8) 7 (53.9) 95 (66.9) 43 (69.4)
24–27 20 (19.4) 6 (46.1) 34 (23.9) 11 (17.7)
Race     
Black 6 (5.8) 1 (7.7) 10 (7.0) 3 (4.8)
Hispanic 8 (7.8) 3 (23.1) 12 (8.5) 7 (11.3)
Other 4 (3.9) 1 (7.7) 8 (5.6) 2 (3.2)
White 85 (82.5) 8 (61.5) 112 (78.9) 50 (80.7)
Smoking Status     
Current Smoker 37 (35.9) 3 (23.1) 45 (31.7) 27 (43.6)
Ex-Smoker 18 (17.5) 4 (30.8) 28 (19.7) 9 (14.5)
Non-Smoker 48 (46.6) 6 (46.2) 69 (48.6) 26 (41.9)
Age at first sexual intercourse     
≤ 14 4 (3.9) 1 (7.7) 13 (9.2) 9 (14.5)
15–18 76 (73.9) 10 (76.9) 105 (73.9) 46 (74.2)
≥ 19 23 (22.3) 2 (15.4) 24 (16.9) 7 (11.3)
Lifetime Number of Sexual Partners     
1 7 (6.8) 1 (7.7) 12 (8.5) 2 (3.2)
2–3 23 (22.3) 5 (38.5) 24 (16.9) 11 (17.8)
4–6 47 (45.7) 7 (53.8) 73 (51.4) 35 (56.4)
7–9 21 (20.4) 0 (0.0) 27 (19.0) 10 (16.1)
10–14 5 (4.8) 0 (0.0) 6 (4.2) 4 (6.4)
  1. HPV = human papillomavirus