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Table 3 HPV general knowledge amongst all girls participating in our study (n = 2989), the Netherlands 2010

From: Equity in human papilloma virus vaccination uptake?: sexual behaviour, knowledge and demographics in a cross-sectional study in (un)vaccinated girls in the Netherlands

Category

Total

Vaccinated

Unvaccinated

OR (95% CI) for being vaccinated

P-value

N (%)

n (%)

n (%)

 

2989 (100)

1938 (65)

1051 (35)

  

HPV vaccination protects against all HPV types (n=2910)

   

  No

1811 (62)

1110 (58)

701 (70)

ref

 

  Yes

373 (13)

291 (15)

82 (8)

2.2 (1.7–2.9)

 

  Don’t know

726 (25)

505 (27)

221 (22)

1.4 (1.2–1.7)

<0.001

HPV vaccination protects against all STIs (n=2909)

   

  No

2567 (88)

1702 (89)

865 (86)

ref

 

  Yes

52 (2)

33 (2)

19 (2)

0.9 (0.5–1.6)

 

  Don’t know

290 (10)

170 (9)

120 (12)

0.7 (0.6–0.9)

0.03

An HPV infection always leads to cervical cancer (n=2930)

   

  No

1984 (68)

1294 (68)

690 (68)

ref

 

  Yes

121 (4)

80 (4)

41 (4)

1.0 (0.7–1.5)

 

  Don’t know

825 (28)

541 (28)

284 (28)

1.0 (0.9–1.2)

0.97

Cervical cancer is always fatal (n=2930)

   

  No

2414 (82)

1579 (82)

835 (82)

ref

 

  Yes

141 (5)

98 (5)

43 (4)

1.2 (0.8–1.8)

 

  Don’t know

375 (13)

238 (12)

137 (14)

0.9 (0.7–1.2)

0.43

If you have unprotected sex, you are at high risk of an HPV infection (n=2930)

 

  No

311 (11)

193 (10)

118 (12)

ref

 

  Yes

2143 (73)

1411 (74)

732 (72)

1.2 (0.9–1.5)

 

  Don’t know

476 (16)

311 (16)

165 (16)

1.2 (0.9–1.6)

0.42

An HPV infection is a risk for cervical cancer (n=2930)

   

  No

215 (7)

144 (8)

71 (7)

ref

 

  Yes

2370 (81)

1555 (81)

815 (80)

0.9 (0.7–1.3)

 

  Don’t know

345 (12)

216 (11)

129 (13)

0.8 (0.6–1.2)

0.48

An HPV infection can cause genital warts (n=2929)

   

  No

537 (18)

354 (18)

183 (18)

ref

 

  Yes

582 (20)

389 (20)

193 (19)

1.0 (0.8–1.3)

 

  Don’t know

1810 (62)

1172 (61)

638 (63)

1.0 (0.8–1.2)

0.63

An HPV infection usually disappears on its own (n=2930)

   

  No

1969 (67)

1301 (68)

668 (66)

ref

 

  Yes

136 (5)

80 (4)

56 (6)

0.7 (0.5–1.0)

 

  Don’t know

825 (28)

534 (28)

291 (29)

0.9 (0.8–1.1)

0.21

Awareness of CC screening program (n=2910)

   

  No

1421 (49)

984(52)

437 (43)

ref

 

  Yes

1489 (51)

921 (48)

568 (57)

0.7 (0.6–0.8)

<0.001

Participation of mother in CC screening program (n=2910)

   

  No

670 (23)

410 (22)

260 (26)

ref

 

  Yes

1192 (41)

798 (42)

394 (39)

1.3 (1.1–1.6)

 

  Don’t know

1048 (36)

697 (37)

351 (35)

1.3 (1.0–1.5)

0.03

Need to participate in the CC screening program after vaccination (n=2910)

  

  No

174 (6)

115 (6)

59 (6)

ref

 

  Yes

2013 (69)

1346 (71)

667 (66)

1.0 (0.7–1.4)

 

  Don’t know

723 (25)

444 (23)

279 (28)

0.8 (0.6–1.2)

0.03

Condoms are not needed anymore once vaccinated (n=2909)

   

  No

2781 (96)

1842 (97)

939 (94)

ref

 

  Yes

22 (1)

15 (1)

7 (1)

1.1 (0.5–2.9)

 

  Don’t know

106 (3)

48 (3)

58 (6)

0.4 (0.3–0.6)

<0.001

Girls will use less condoms once vaccinated (n=2909)

   

  No

1526 (52)

1076 (56)

450 (45)

ref

 

  Yes

574 (20)

317 (17)

257 (26)

0.5 (0.4–0.6)

 

  Don’t know

809 (28)

512 (27)

297 (30)

0.7 (0.6–0.9)

<0.001

General knowledge score

   

  mean (95% CI)

5.52 (5.48–5.56)

5.51 (5.47–5.56)

5.53 (5.47–5.59)

 

0.62

  1. CC = cervical cancer.
  2. Missing values are deducted from the total number of girls.