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Table 2 Acceptability of vaccine modalities by adult and child knowledge, attitudes, and practices related to malaria and vaccines

From: Are malaria transmission-blocking vaccines acceptable to high burden communities? Results from a mixed methods study in Bo, Sierra Leone

  Number (%) of respondents with characteristic Number (%) of TBV acceptability with characteristic Number (%) of TBV acceptability without characteristic Number (%) of traditional vaccine acceptability with characteristic Number (%) of traditional vaccine acceptability without characteristic
Adult knowledge and prevention (n = 615)
 Identified mosquito bite as a mode of malaria parasite transmission (includes correct mode only and those that also include 1+ incorrect modes) 545 (88.6) 521 (95.6) 64 (91.4) 526 (96.5) 66 (94.3)
 Only identified correct mode of malaria parasite transmission (i.e., mosquito bite) 363 (59.0) 346 (95.3) 239 (94.8) 348 (95.9) 244 (96.8)
 House has bed nets 497 (80.8) 469 (94.4) 116 (98.3) 475 (95.6) 117 (99.2)
 Slept under bed net last night (n = 497) 401 (80.7) 378 (94.3) 91 (94.8) 382 (95.3) 93 (96.9)
 Vaccinated against any diseases 484 (78.7) 463 (95.7) 83 (96.5) 468 (96.7) 83 (96.5)
Adult Vaccination Attitudes (n = 615)
 Vaccines are for both adults and children 471 (76.6) 453 (96.2) 459 (97.5)
 Vaccines are for children only 93 (15.1) 87 (93.6) 87 (93.6)
 Vaccines are safe 552 (89.8) 528 (95.7) 42 (93.3) 535 (96.9) 42 (93.3)
 Trust the health staff who give vaccines 546 (88.8) 524 (96.0) 54 (90.0) 530 (97.1) 55 (91.7)
 Would want to be vaccinated if safe and effective malaria vaccine available 588 (95.6) 575 (97.8) 7 (38.9) 583 (99.2) 3 (33.3)
 Willing to pay for malaria vaccine 389 (63.3) 380 (97.7) 205 (90.7) 386 (99.2) 206 (91.2)
 Willing to be vaccinated every year 573 (93.2) 562 (98.1) 18 (58.1) 569 (99.3) 18 (58.1)
 Willing to get traditional malaria vaccine 592 (96.3) 583 (98.5) 2 (12.5)
 Willing to get malaria TBV 585 (95.1) 583 (99.7) 6 (28.6)
 Have concerns about vaccines for adults 461 (75.0) 444 (96.3) 141 (91.6) 451 (97.8) 141 (91.6)
  Number (%) of respondents who indicated child has characteristic Number (%) of TBV acceptability with characteristic Number (%) of TBV acceptability without characteristic Number (%) of traditional vaccine acceptability with characteristic Number (%) of traditional vaccine acceptability without characteristic
Child Prevention (n = 337)
 Slept under bed net last night 241 (71.5) 237 (98.3) 89 (100) 237 (98.3) 89 (100)
 Vaccinated against any diseases 323 (95.9) 319 (98.8) 8 (100) 319 (98.8) 8 (100)
Child Vaccination Attitudes (n = 337)
 Would want child vaccinated if safe and effective malaria vaccine available 326 (96.7) 323 (99.1) 10 (90.9) 323 (99.1) 10 (90.9)
 Willing to pay for child’s malaria vaccine 188 (55.8) 186 (98.9) 147 (98.7) 186 (98.9) 147 (98.7)
 Willing to have child vaccinated every year 325 (96.4) 324 (99.7) 8 (72.7) 324 (99.7) 8 (72.7)
 Willing to give child traditional malaria vaccine 333 (98.8) 333 (100) 0 (0)
 Willing to give child malaria TBV 333 (98.8) 333 (100) 0 (0)
 Have concerns about vaccines for children 261 (77.5) 257 (98.5) 76 (100) 257 (98.5) 76 (100)