Table 1. Univariable and multivariable analysis of predictors of pneumococcal vaccine uptake in the catch-up campaign cohort.
| Variable | N | Predictors of being vaccinated with one dose of PCV13 | N | Predictors of being vaccinated with three doses of PCV13 | ||||
|---|---|---|---|---|---|---|---|---|
| Coverage (%) | RR (95% CI) | a RR1 (95% CI) | Coverage (%) | RR (95% CI) | a RR2 (95% CI) | |||
| Gender | ||||||||
| Female | 372 | 65.9 | 1 | 1 | 367 | 47.7 | 1 | 1 |
| Male | 396 | 74.2 | 1.13 (1.03–1.24) | 1.11 (1.02–1.20) | 392 | 51.8 | 1.09 (0.94–1.25) | 1.05 (0.93–1.18) |
| Child’s age at campaign onset | ||||||||
| <4 months | 148 | 85.8 | 1 | 1 | 147 | 77.5 | 1 | 1 |
| 4–6 months | 235 | 86.0 | 1.00 (0.92–1.09) | 1.04 (0.57–1.88) | 231 | 63.6 | 0.82 (0.72–0.94) | 0.83 (0.73–0.95) |
| 7–9 months | 238 | 71.4 | 0.83 (0.75–0.92) | 0.42 (0.24–0.72) | 236 | 43.6 | 0.56 (0.48–0.67) | 0.58 (0.49–0.68) |
| 10–12 months | 147 | 27.2 | 0.32 (0.24–0.42) | 0.06 (0.03–0.11) | 145 | 9.7 | 0.12 (0.08–0.21) | 0.13 (0.08–0.22) |
| Mother’s age (yrs) | ||||||||
| <20 | 125 | 75.2 | 1 | 1 | 121 | 63.6 | 1 | 1 |
| 20–29 | 408 | 71.6 | 0.95 (0.85–1.07) | 1.00 (0.90–1.11) | 406 | 50.3 | 0.79 (0.67–0.93) | 0.87 (0.75–1.00) |
| 30–39 | 209 | 68.4 | 0.91 (0.79–1.04) | 0.95 (0.84–1.07) | 205 | 44.4 | 0.70 (0.57–0.86) | 0.77 (0.64–0.92) |
| ≥ 40 | 26 | 38.5 | 0.51 (0.31–0.84) | 0.65 (0.41–1.03) | 27 | 22.2 | 0.35 (0.17–0.72) | 0.51 (0.28–0.93) |
| Mother’s education | ||||||||
| <5 years primary | 63 | 65.1 | 1 | 1 | 63 | 47.6 | 1 | 1 |
| > = 5 years primary | 492 | 67.6 | 1.04 (0.85–1.26) | 0.97 (0.83–1.13) | 487 | 47.6 | 1.00 (0.75–1.32) | 0.82 (0.65–1.02) |
| Secondary / tertiary | 212 | 77.8 | 1.20 (0.98–1.45) | 1.11 (0.95–1.30) | 208 | 55.8 | 1.17 (0.88–1.56) | 0.97 (0.76–1.23) |
| Mother’s marital status | ||||||||
| Married | 682 | 70.1 | 1 | 1 | 674 | 49.4 | 1 | 1 |
| Unmarried3 | 84 | 71.4 | 1.02 (0.88–1.18) | 1.03 (0.91–1.16) | 84 | 53.6 | 1.18 (0.75–1.86) | 1.08 (0.90–1.30) |
| Mother mobile phone | ||||||||
| No | 490 | 71.8 | 1 | 1 | 485 | 49.5 | 1 | 1 |
| Yes | 75 | 68.0 | 0.95 (0.80–1.12) | 1.01 (0.87–1.17) | 73 | 42.5 | 0.86 (0.65–1.14) | 1.00 (0.76–1.30) |
| Mother’s occupation | ||||||||
| Farming | 710 | 70.0 | 1 | 1 | 701 | 48.9 | 1 | 1 |
| Other | 45 | 75.6 | 1.08 (0.91–1.28) | 1.14 (0.95–1.35) | 45 | 50.1 | 0.98 (0.72–1.33) | 1.13 (0.82–1.56) |
| Orphanhood | ||||||||
| Both parents alive | 749 | 70.4 | 1 | 1 | 740 | 49.9 | 1 | 1 |
| Father died | 12 | 58.3 | 0.83 (0.51–1.34) | 0.82 (0.55–1.23) | 12 | 50.0 | 1.00 (0.57–1.77) | 1.09 (0.68–1.74) |
| Place of birth | ||||||||
| Health centre | 668 | 71.3 | 1 | 1 | 662 | 50.6 | 1 | 1 |
| Home / TBA / other | 70 | 65.7 | 0.92 (0.77–1.10) | 0.91 (0.78–1.07) | 68 | 47.1 | 0.93 (0.71–1.21) | 0.94 (0.75–1.19) |
| Housing standard | ||||||||
| 1 (lowest) | 127 | 68.5 | 1 | 1 | 126 | 50.0 | 1 | 1 |
| 2 | 280 | 68.9 | 1.01 (0.87–1.16) | 1.02 (0.91–1.15) | 275 | 50.6 | 1.01 (0.82–1.25) | 1.06 (0.87–1.27) |
| 3 | 151 | 68.2 | 1.00 (0.85–1.17) | 0.99 (0.87–1.14) | 150 | 46.7 | 0.93 (0.73–1.19) | 0.96 (0.77–1.20) |
| 4 (highest) | 124 | 72.6 | 1.06 (0.90–1.24) | 1.07 (0.93–1.22) | 124 | 50.0 | 1.00 (0.78–1.28) | 1.00 (0.80–1.26) |
| Household size | ||||||||
| <4 | 148 | 74.3 | 1 | 1 | 145 | 57.2 | 1 | 1 |
| 4–6 | 396 | 69.7 | 0.94 (0.84–1.05) | 1.00 (0.91–1.11) | 393 | 50.1 | 0.88 (0.74–1.04) | 1.05 (0.88–1.25) |
| ≥ 7 | 224 | 68.3 | 0.92 (0.81–1.05) | 0.96 (0.86–1.08) | 221 | 44.3 | 0.77 (0.63–0.95) | 0.95 (0.78–1.17) |
| Number of children <5 years in household | ||||||||
| 1 | 329 | 70.8 | 1 | 1 | 324 | 52.5 | 1 | 1 |
| 2 | 394 | 69.5 | 0.98 (0.89–1.08) | 0.96 (0.88–1.05) | 391 | 47.3 | 0.90 (0.78–1.04) | 0.95 (0.83–1.09) |
| ≥ 3 | 45 | 71.1 | 1.00 (0.82–1.23) | 0.96 (0.81–1.14) | 44 | 49.8 | 1.00 (0.74–0.35) | 0.99 (0.76–1.31) |
| Distance to road (km) | ||||||||
| <1 | 579 | 71.0 | 1 | 1 | 571 | 49.6 | 1 | 1 |
| 1–1.5 | 125 | 67.2 | 0.95 (0.83–1.08) | 0.93 (0.84–1.04) | 124 | 52.4 | 1.06 (0.88–1.28) | 1.04 (0.89–1.21) |
| ≥ 1.5 | 64 | 68.8 | 0.97 (0.81–1.15) | 0.92 (0.77–1.10) | 64 | 46.9 | 0.95 (0.72–1.24) | 0.89 (0.68–1.16) |
| Distance to clinic (km) | ||||||||
| <1 | 514 | 72.0 | 1 | 1 | 509 | 50.9 | 1 | 1 |
| 1–1.49 | 176 | 67.1 | 0.93 (0.83–1.05) | 0.93 (0.84–1.03) | 174 | 50.6 | 0.99 (0.84–1.18) | 0.98 (0.85–1.13) |
| ≥ 1.5 | 78 | 65.4 | 0.92 (0.77–1.07) | 0.94 (0.81–1.08) | 76 | 40.8 | 0.80 (0.60–1.07) | 0.85 (0.66–1.09) |
| Moved house | ||||||||
| No | 742 | 69.7 | 1 | 1 | 734 | 49.5 | 1 | 1 |
| Yes | 26 | 84.6 | 1.21 (1.02–1.44) | 1.14 (0.98–1.31) | 25 | 60.0 | 1.21 (0.87–1.69) | 1.10 (0.74–1.38) |
1 Adjusted for child’s age at onset of catch-up vaccination campaign and sex
2 Adjusted for child’s age at onset of catch-up vaccination campaign and maternal age
3 Never married/divorced/widowed