Table 4.
Global slope index of inequality and relative index of inequality for 11 routine childhood vaccine coverage from 2010 to 2018.
| Vaccine type | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
| Slope index of inequality (SII)a | |||||||||
| BCG | 8.9 (1.5, 16.3) | 10.2 (2.3, 18.0) | 7.2 (0.2, 14.2) | 14.4 (5.5, 23.4) | 13.6 (5.6, 21.6) | 12 (2.7, 21.2) | 10.6 (1.1, 20.0) | 9 (−1.0, 19.0) | 9.2 (−1.7, 20.1) |
| DTP1 | 13.9 (9.0, 18.8) | 11.3 (6.7, 15.9) | 10.8 (6.1, 15.4) | 14.3 (8.1, 20.5) | 14.6 (9.1, 20.1) | 15.4 (10.0, 20.8) | 16.3 (11.2, 21.4) | 15.6 (10.5, 20.7) | 14.3 (9.2, 19.3) |
| DTP3 | 21.6 (15.0, 28.2) | 18.9 (12.4, 25.4) | 17.5 (11.1, 24.0) | 22 (14.4, 29.6) | 22.5 (15.0, 29.9) | 22.4 (15.3, 29.6) | 23 (16.4, 29.7) | 20.9 (14.2, 27.5) | 20 (13.5, 26.5) |
| Pol3 | 21.4 (15.2, 27.6) | 20.3 (13.6, 27.0) | 17.5 (11.4, 23.5) | 22.7 (15.3, 30.1) | 22.7 (15.7, 29.7) | 21.1 (14.6, 27.7) | 22 (15.8, 28.1) | 20.8 (14.4, 27.2) | 21 (14.6, 27.5) |
| RCV1 | 4.3 (−1.9, 10.5) | 3 (−1.8, 7.7) | 6.8 (−0.5, 14.1) | 6 (2.0, 10.1) | 9.1 (4.0, 14.1) | 12.4 (6.6, 18.3) | 12.1 (5.7, 18.4) | 14.8 (7.1, 22.4) | 13.9 (8.4, 19.3) |
| MCV1 | 20.9 (14.0, 27.8) | 20.2 (14.0, 26.5) | 18.6 (12.5, 24.6) | 22.1 (14.9, 29.3) | 23 (16.0, 30.0) | 24.3 (17.6, 31.0) | 24.3 (17.5, 31.0) | 23.5 (16.8, 30.2) | 22.3 (15.5, 29.1) |
| MCV2 | 22.4 (8.0, 36.7) | 18.6 (5.9, 31.4) | 31.2 (17.7, 44.7) | 22.9 (13.1, 32.6) | 36.9 (24.5, 49.4) | 31.8 (20.1, 43.6) | 35.2 (24.4, 45.9) | 28.6 (19.2, 38.0) | 26 (18.0, 34.0) |
| HepB3 | 18.7 (11.1, 26.4) | 17 (8.5, 25.5) | 13.7 (5.6, 21.7) | 17.8 (9.3, 26.3) | 19.1 (11.0, 27.3) | 19.2 (11.4, 27.0) | 20 (12.9, 27.1) | 17.8 (10.6, 25.0) | 18 (11.1, 25.0) |
| Hib3 | 22 (14.8, 29.2) | 20.9 (14.0, 27.7) | 19.5 (13.0, 26.1) | 21.5 (12.9, 30.2) | 21.8 (13.2, 30.3) | 23.5 (15.8, 31.2) | 22.4 (15.2, 29.7) | 21 (13.9, 28.1) | 19.6 (12.6, 26.5) |
| PCV3 | 34.9 (3.8, 65.9) | 50.3 (25.6, 74.9) | 23.6 (4.0, 43.2) | 29.7 (14.9, 44.5) | 37.3 (23.8, 50.8) | 35.2 (23.0, 47.4) | 19 (8.5, 29.5) | 15.6 (7.9, 23.3) | 16.3 (6.3, 26.4) |
| RotaC | 15.2 (−22.1, 52.6) | 18.5 (−11.2, 48.2) | 38.3 (5.5, 71.1) | 28.4 (0.9, 55.8) | 26.1 (1.9, 50.3) | 15.8 (−2.1, 33.7) | 4 (–13.8, 21.7) | −5.9 (−23.3, 11.6) | −1.8 (−17.5, 13.9) |
| Relative index of inequality (RII) | |||||||||
| BCG | 1.1 (1.01, 1.19) | 1.12 (1.02, 1.21) | 1.08 (1.00, 1.16) | 1.17 (1.06, 1.29) | 1.16 (1.06, 1.26) | 1.14 (1.03, 1.26) | 1.12 (1.01, 1.24) | 1.1 (0.98, 1.22) | 1.11 (0.98, 1.24) |
| DTP1 | 1.16 (1.10, 1.22) | 1.13 (1.07, 1.18) | 1.12 (1.07, 1.18) | 1.17 (1.09, 1.25) | 1.17 (1.10, 1.24) | 1.18 (1.11, 1.25) | 1.19 (1.12, 1.26) | 1.18 (1.12, 1.25) | 1.17 (1.10, 1.23) |
| DTP3 | 1.28 (1.18, 1.37) | 1.24 (1.14, 1.33) | 1.22 (1.13, 1.31) | 1.28 (1.17, 1.39) | 1.29 (1.18, 1.40) | 1.29 (1.18, 1.40) | 1.3 (1.19, 1.40) | 1.27 (1.17, 1.37) | 1.25 (1.16, 1.35) |
| Pol3 | 1.27 (1.18, 1.37) | 1.26 (1.16, 1.35) | 1.22 (1.13, 1.30) | 1.29 (1.18, 1.40) | 1.29 (1.19, 1.40) | 1.27 (1.17, 1.37) | 1.28 (1.19, 1.38) | 1.27 (1.17, 1.36) | 1.27 (1.17, 1.37) |
| RCV1 | 1.05 (0.98, 1.12) | 1.03 (0.98, 1.09) | 1.08 (0.99, 1.16) | 1.07 (1.02, 1.11) | 1.1 (1.04, 1.16) | 1.15 (1.07, 1.22) | 1.14 (1.06, 1.22) | 1.18 (1.07, 1.28) | 1.17 (1.09, 1.24) |
| MCV1 | 1.27 (1.17, 1.37) | 1.26 (1.17, 1.35) | 1.23 (1.15, 1.32) | 1.28 (1.18, 1.39) | 1.3 (1.19, 1.41) | 1.32 (1.21, 1.43) | 1.32 (1.21, 1.43) | 1.31 (1.20, 1.42) | 1.29 (1.19, 1.40) |
| MCV2 | 1.3 (1.07, 1.53) | 1.24 (1.05, 1.43) | 1.45 (1.20, 1.70) | 1.31 (1.15, 1.47) | 1.57 (1.30, 1.83) | 1.47 (1.24, 1.69) | 1.54 (1.32, 1.76) | 1.41 (1.24, 1.59) | 1.37 (1.23, 1.51) |
| HepB3 | 1.24 (1.13, 1.35) | 1.21 (1.09, 1.33) | 1.17 (1.06, 1.28) | 1.23 (1.10, 1.35) | 1.24 (1.13, 1.36) | 1.25 (1.13, 1.36) | 1.26 (1.15, 1.36) | 1.23 (1.12, 1.33) | 1.23 (1.13, 1.33) |
| Hib3 | 1.29 (1.18, 1.40) | 1.27 (1.17, 1.37) | 1.25 (1.15, 1.34) | 1.28 (1.15, 1.41) | 1.28 (1.15, 1.41) | 1.31 (1.19, 1.43) | 1.29 (1.18, 1.40) | 1.27 (1.16, 1.38) | 1.25 (1.15, 1.35) |
| PCV3 | 1.64 (0.86, 2.41) | 2.07 (1.21, 2.92) | 1.36 (0.99, 1.72) | 1.45 (1.16, 1.75) | 1.61 (1.30, 1.93) | 1.57 (1.29, 1.84) | 1.26 (1.10, 1.42) | 1.2 (1.09, 1.32) | 1.22 (1.07, 1.37) |
| RotaC | 1.25 (0.55, 1.95) | 1.26 (0.77, 1.76) | 1.74 (0.79, 2.69) | 1.47 (0.88, 2.06) | 1.46 (0.92, 2.01) | 1.23 (0.94, 1.53) | 1.05 (0.81, 1.29) | 0.93 (0.72, 1.14) | 0.98 (0.78, 1.17) |
Notes: BCG, Bacillus Calmette-Guérin vaccine; DTP, diphtheria-tetanus-pertussis vaccine; Pol, Polio vaccine; RCV, rubella-containing vaccine; MCV, measles-containing vaccine; HepB, Hepatitis B vaccine; Hib, Haemophilus influenzae type b vaccine; PCV, pneumococcal conjugate vaccine, RotaC, completed rotavirus vaccine.
a
SII is measured in percentage points.
Data source: WHO-UNICEF Estimates of National Immunization Coverage (WUENIC): 2021 revision.