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Table 3 Gender comparisons of health-belief variables related to STDs and cancer prevention between pre- and posttest

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

Health-belief variables related to STDs and cancer prevention (range, 1–5) Boys (pre) Girls (pre) Z * ( p ) Boys (post) Girls (post) Z * ( p ) Boys Girls
(pre–post) (pre–post)
  Mean ± SD Mean ± SD Z ϯ ( p ) Z ϯ ( p )
Severity of STD 2.94±0.85 3.07±0.65 −1.14 (0.255) 3.81±0.97 3.64±0.71 −1.08 (0.281) −5.53 (<0.001) −3.67 (<0.001)
Severity of cancer 3.99±1.20 4.04±0.95 −0.25 (0.806) 4.30±0.86 4.28±0.58 −0.79 (0.432) −2.38 (0.017) −1.82 (0.069)
Intention to obtain injection for STD prevention 3.52±0.85 3.28±0.93 −1.14 (0.253) 4.11±0.81 4.26±0.57 −0.76 (0.445) −5.08 (<0.001) −4.85 (<0.001)
Intention to obtain injection for cancer prevention 4.23±0.79 4.09±0.80 −1.08 (0.282) 4.30±0.69 4.37±0.57 −0.35 (0.723) −1.24 (0.216) −2.81 (0.005)
Concern about pain at vaccine injectiona 3.09±1.04 2.62±1.05 −2.44 (0.015) 3.29±1.13 2.76±1.10 −2.31 (0.021) −2.21 (0.026) −1.11 (0.268)
Benefit of STD prevention injection 3.59±0.87 3.54±0.75 −0.10 (0.921) 4.19±0.73 4.07±0.58 −1.09 (0.278) −4.68 (<0.001) −3.76 (<0.001)
Benefit of cancer prevention injection 4.03±0.93 3.98±0.74 −0.58 (0.564) 4.32±0.74 4.31±0.51 −0.57 (0.570) −3.52 (<0.001) −2.80 (0.005)
Cronbach’s α for seven items=0.78         
  1. aReverse coding.
  2. *Mann–Whitney U test, ϯWilcoxon signed-rank test.
  3. STD, sexually transmitted disease.