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Table 1 Comparison of reasons of unvaccinated by fractional and full dose Inactivated Polio Vaccine campaign areas in Karachi, Sindh, Pakistan

From: An experience of mass administration of fractional dose inactivated polio vaccine through intradermal needle-free injectors in Karachi, Sindh, Pakistan

Variables Fractional IPV
(13274)
Full IPV
(20541)
P value
Parents didn’t know about the campaign
 No 13,231 (99.7%) 20,523 (99.9%) < 0.0001
 Yes 43 (0.3%) 18 (0.1%)  
Parents didn’t give importance to vaccination
 No 13,055 (98.4%) 19,677 (95.8%) < 0.0001
 Yes 219 (1.6%) 864 (4.2%)  
Child not vaccinated due to sickness
 No 12,807 (96.5%) 19,437 (94.6%) < 0.0001
 Yes 467 (3.5%) 1104 (5.4%)  
Fear of injection
 No 13,183 (99.3%) 20,171 (98.2%) < 0.0001
 Yes 91 (0.7%) 370 (1.8%)  
Fear of adverse events
 No 13,217 (99.6%) 20,445 (99.5%) 0.612
 Yes 57 (0.4%) 96 (0.5%)  
Vaccination center is far away
 No 13,267 (99.9%) 20,525 (99.9%) 0.386
 Yes 7 (0.1%) 16 (0.1%)  
Very long queue
 No 13,257 (99.9%) 20,510 (99.8%) 0.586
 Yes 17 (0.1%) 31 (0.2%)  
Other reasons of refusal to vaccination
 No 12,751 (96.1%) 19,731 (96.1%) 0.988
 Yes 523 (3.9%) 810 (3.9%)  
Child not available at home during campaign
 No 12,616 (95.0%) 18,809 (91.6%) < 0.0001
 Yes 658 (5.0%) 1732 (8.4%)  
  1. IPV Inactivated Polio Vaccine
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