Table 1 HPV knowledge level questionnaire.

From: Factors influencing HPV vaccination willingness among male college students in Jinan according to the health belief model

Item

Answer setting

1. Is HPV infection common?

(1) Yes (2) No (3) Do not know

2. Can persistent HPV infection cause anogenital warts (condyloma acuminata)?

(1) Yes (2) No (3) Do not know

3. Are males immune to HPV infection?

(1) Yes (2) No (3) Do not know

4. Is HPV mainly transmitted through sexual behavior?

(1) Yes (2) No (3) Do not know

5. Does the chance of HPV infection increase with the number of sexual partners?

(1) Yes (2) No (3) Do not know

6. Can proper condom use prevent HPV infection?

(1) Yes (2) No (3) Do not know

7. Are condyloma acuminata preventable?

(1) Yes (2) No (3) Do not know

8. Are condyloma acuminata contagious?

(1) Yes (2) No (3) Do not know

9. Is the common age for condyloma acuminata under 30?

(1) Yes (2) No (3) Do not know

10. Can HPV infection be cured by HPV vaccine?

(1) Yes (2) No (3) Do not know

11. Is protection (e.g., proper condom use) still needed during sex after HPV vaccination?

(1) Yes (2) No (3) Do not know