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Table 4 Awareness and attitudes between two groups at one-year follow up

From: Effect of an educational intervention on HPV knowledge and attitudes towards HPV and its vaccines among junior middle school students in Chengdu, China

Items Control group Intervention group P b
n (%) n (%)
Cause for cervical cancer
HPV infection 150 (23.1) 298 (36.0) < 0.001
Sexually transmitted disease 101 (15.6) 177 (21.4)
Other answersc 398 (61.3) 353 (42.6)
Totala 649 828
The transmission route of HPV
Sexual transmission 289 (46.5) 518 (63.8) < 0.001
Other answersd 332 (53.5) 294 (36.2)
Totala 621 812
The most effective method to prevent HPV infection
HPV vaccination 348 (54.3) 586 (71.4) 0.001
Other answerse 293 (45.7) 235 (28.6)
Totala 641 821
The best age to get vaccinated
Primary school and below 153 (23.7) 165 (20.0) < 0.001
Junior high school 115 (17.8) 305 (36.9)
Senior high school and above 125 (19.3) 148 (17.9)
Anytime/no answer 253 (39.2) 209 (25.3)
Totala 646 827
Are you willing to vaccinate yourself?
Yes 438 (68.1) 647 (78.8) < 0.001
No 205 (31.9) 172 (21.2)
Totala 643 821
  1. aNumbers do not add up to 652 in the control group and to 830 in the intervention group due to some incomplete answers
  2. bChi-squared test
  3. cIncluding: heredity, multiple sexual partners, bacterial infection, bad health habits, smoking and other unhealthy life style, no answer
  4. dIncluding: airborne transmission, food-borne transmission, all of the three routes
  5. eIncluding: regular condom use, sexual onset at early age, avoiding multiple sexual partners, no answer