Table 2. Bivariate logistic regression with acceptance and uptake of the HPV vaccine as outcomes.
| VARIABLE | BASELINE ACCEPTANCE | UPTAKE | ||||||
|---|---|---|---|---|---|---|---|---|
| n | Acceptance (%) | AOR | [95% CI] | n | Uptake (%) | AOR | [95% CI] | |
| BASELINE CHARACTERISTICS | ||||||||
| Participant age at baseline | 286 | 1.05* | [1.01–1.08] | 254 | 1.01 | [0.97–1.04] | ||
| Age of daughter at baseline | 285 | 1.14 | [0.85–1.54] | 253 | 1.03 | [0.86–1.23] | ||
| Years of education of participant | 279 | 0.10 | [0.88–1.23] | 247 | 1.05 | [0.99–1.11] | ||
| Housing | 287 | 0.81 | [0.61–1.08] | 255 | 1.12 | [0.74–1.70] | ||
| Marital status of participant | 287 | 255 | ||||||
| With partner | 188/217 (86.6) | 57/193 (29.5) | ||||||
| Without partner | 65/70 (92.9) | 0.53 | [0.15–1.84] | 22/62 (35.5) | 0.75 | [0.43–1.32] | ||
| Religion of participant | 285 | 253 | ||||||
| Protestant | 202/226 (89.4) | 58/203 (28.6) | ||||||
| Catholic | 41/46 (89.1) | 1.07 | [0.23–4.88] | 17/39 (43.6) | 1.92* | [1.19–3.09] | ||
| Muslim | 8/13 (61.5) | 0.20 | [0.04–1.09] | 4/11 (36.4) | 1.42 | [0.48–4.18] | ||
| Origin of participant | 284 | 253 | ||||||
| Urban | 155/171 (90.6) | 56/153 (36.6) | ||||||
| Rural—outside Kenya | 96/113 (85.0) | 0.61 | [0.19–1.94] | 22/100 (22.0) | 0.48 | [0.21–1.10] | ||
| Ever heard of cervical cancer? | 286 | 254 | ||||||
| No—don’t know | 107/117 (91.4) | 24/102 (23.5) | ||||||
| Yes | 145/169 (85.8) | 0.55 | [0.22–1.37] | 55/152 (36.2) | 1.93* | [1.16–3.19] | ||
| BASELINE BARRIERS: if you would decide not to vaccinate, why would that be? | ||||||||
| Need for more information? | 283 | 1.00 | [0.84–1.20] | 251 | 1.02 | [0.89–1.17] | ||
| Doubt the vaccine works? | 281 | 0.75* | [0.59–0.97] | 249 | 0.98 | [0.76–1.26] | ||
| Fear of side effect? | 284 | 0.69* | [0.52–0.91] | 252 | 1.00 | [1.76–1.31] | ||
| Fear of interference with fertility? | 283 | 0.71* | [0.53–0.96] | 251 | 0.94 | [0.71–1.25] | ||
| Afraid of unsafe administration (i.e. using unclean needles) | 283 | 0.76** | [0.64–0.91] | 251 | 1.04 | [0.78–1.40] | ||
| It might encourage unsafe sex | 282 | 0.80 | [0.53–1.20] | 250 | 0.81 | [0.52–1.26] | ||
| Daughter is too young for vaccine against an STI? | 283 | 0.54** | [0.38–0.76] | 251 | 0.94 | [0.61–1.43] | ||
| Partner won’t approve?° | 282 | 0.44*** | [0.31–0.61] | 250 | 0.87 | [0.68–1.09] | ||
| Vaccination takes a lot of time | 284 | 0.51 | [0.24–1.12] | 252 | 0.86 | [0.60–1.21] | ||
| Inconvenience: 3 doses needed | 276 | 0.67 | [0.36–1.24] | 244 | 0.94 | [0.57–1.55] | ||
| ACCEPTANCE—WELL-INFORMED | ||||||||
| Would you vaccinate your daughter? (Baseline) | 255 | |||||||
| neutral—(very) unlikely | 5/30 (16.7) | - | ||||||
| (very) likely | 74/225 (32.9) | 2.57* | [1.11–5.94] | |||||
| Were you well-informed about the cervical cancer vaccination program? (at follow-up) | 235 | |||||||
| No | 10/88 (11.4) | - | ||||||
| Yes | 68/147 (46.3) | 6.37** | [2.21–18.36] | |||||
AOR: adjusted odds ratio—CI: confidence interval
° participants without a relationship are included in category ‘strongly disagree’
* p<0.05
** p<0.01
*** p<0.001