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Table 4 Gender comparisons of intention to obtain HPV vaccination and HPV knowledge at posttest

From: Awareness of human papillomavirus and factors associated with intention to obtain HPV vaccination among Korean youth: quasi experimental study

  Boys Girls χ 2 or Z* ( p )
  n (%) or mean±SD
Intention to obtain HPV vaccination (score 1–5) 4.17±0.74 4.26±0.57 −0.43 (0.671)
Not at all (1) 1 (1.4) 0 (0)  
Not likely (2) 0 (0) 0 (0)  
Don’t know (3) 8 (11.4) 3 (6.5)  
Fairly likely (4) 38 (54.3) 28 (60.9)  
Very likely (5) 23 (32.9) 15 (32.6)  
HPV knowledge n (%); correct answer or mean±SD χ2 or Z* (p)
High-risk HPV causes STDs (F) 12 (17.1) 15 (32.6) 3.72 (0.156)
Low-risk HPV causes genital cancer (F) 33 (47.8) 19 (42.2) 0.52 (0.770)
Genital warts always cause pain (F) 30 (42.9) 23 (50.0) 0.62 (0.735)
Genital warts cause cervical cancer (F) 20 (28.6) 14 (31.1) 0.20 (0.904)
Cervical cancer is preventable (T) 55 (79.7) 38 (84.4) 0.41 (0.816)
Genital warts are preventable (T) 57 (81.4) 37 (84.1) 1.63 (0.444)
HPV vaccine prevents STD (T) 55 (79.7) 39 (86.7) 0.93 (0.629)
HPV vaccine prevents cervical cancer (T) 53 (75.7) 38 (84.4) 2.04 (0.360)
HPV knowledge score (0–8) 4.58±2.26 4.95±1.89 0.80 (0.373)
Cronbach’s α for eight items=0.85    
  1. *Mann–Whitney U test.
  2. F, false; T, true.