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Table 3 Factors associated with willingness to be vaccinated among junior middle school students before intervention

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 Totala (%) Unwilling to be vaccinated (%) Willing to be vaccinated (%) Adjusted ORb 95%CI P
School type
 Urban 740 (48.6) 358 (52.4) 382 (45.4) Ref   
 Rural 784 (51.4) 325 (47.6) 459 (54.6) 1.51 1.19–1.91 <0.001
Year
 2016 899 (59.0) 492 (72.0) 407 (48.4) Ref   
 2015 625 (41.0) 191 (28.0) 434 (51.6) 3.93 3.03–5.09 0.001
Received sexual education/knowledge
 No 550 (36.8) 283 (42.4) 267 (32.2) Ref   
 Yes 945 (63.2) 384 (57.6) 561 (67.8) 1.41 1.09–1.83 0.008
Menstruation/spermatorrhea is a normal physiology phenomenon
 No/not sure 254 (16.9) 134 (20.1) 120 (14.4) Ref   
 Yes 1247 (83.1) 533 (79.9) 714 (85.6) 1.60 1.13–2.26 0.008
Willing to get more knowledge of adolescent sexual health
 No 473 (31.3) 261 (38.8) 212 (25.4) Ref   
 Yes 1036 (68.7) 412 (61.2) 624 (74.6) 1.66 1.26–2.17 <0.001
Cervical cancer is relative to me
 No 1026 (68.7) 502 (75.1) 524 (63.5) Ref   
 Yes 467 (31.3) 166 (24.9) 301 (36.5) 1.75 1.35–2.28 <0.001
Heard of HPV vaccines
 No 1232 (81.5) 581 (85.8) 651 (78.0) Ref   
 Yes 280 (18.5) 96 (14.2) 184 (22.0) 1.56 1.14–2.14 0.006
  1. aThe total number is not added up to 1675 due to some incomplete answers
  2. bAdjusted OR, adjusted odds ratio using multivariable logistic regression mode, and five factors (age, gender, race, heard of HPV, heard of cervical cancer) were excluded from this multivariable logistic regression model