Table 2.
Demographic and epidemiologic characteristic of confirmed measles cases by year-Kenya, 2003-2016
| Characteristic | Year | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 No.(IR1) | 2004 No.(IR) | 2005 No.(IR) | 2006No.(IR) | 2007 No.(IR) | 2008 No.(IR) | 2009 No.(IR) | 2010 No.(IR) | 2011 No.(IR) | 2012 No.(IR) | 2013 No.(IR) | 2014 No.(IR) | 2015 No.(IR) | 2016 No.(IR) | Total(IR) | |
| Confirmed measles2 | 113(4) | 56(2) | 139(4) | 2042(62) | 474(14) | 65(2) | 222(6) | 110(3) | 2608(65) | 2380(58) | 223(5) | 375(9) | 111(2) | 125(3) | 9043 |
| Sex | |||||||||||||||
| Male | 50(3) | 28(2) | 56(3) | 1030(62) | 240(14) | 35(2) | 111(6) | 79(4) | 1349(66) | 1237(59) | 108(5) | 214(10) | 58(1) | 73(3) | 4668(17) |
| Female | 63(4) | 28(2) | 83(5) | 972(59) | 229(14) | 30(2) | 110(6) | 29(1) | 1252(62) | 1142(52) | 115(5) | 161(7) | 53(1) | 48(2) | 4315(16) |
| Missing | 0 | 0 | 0 | 40 | 5 | 0 | 1 | 2 | 7 | 1 | 0 | 0 | 0 | 4 | 60(1) |
| Age group | |||||||||||||||
| < 1 year | 8(7) | 1(1) | 19(15) | 424(337) | 79(61) | 14(11) | 14(11) | 4(3) | 227(177) | 460(349) | 68(50) | 56(40) | 3(2) | 9(6) | 1386(76) |
| 1–4 years | 45(12) | 25(7) | 53(14) | 631(159) | 101(25) | 27(7) | 77(16) | 18(4) | 782(157) | 1854(364) | 0 | 1(0.1) | 14(3) | 36(6) | 3664(55) |
| 5–14 years | 47(5) | 22(2) | 37(4) | 443(48) | 107(11) | 22(2) | 103(10) | 66(6) | 892(80) | 1 | 0 | 2(0.1) | 6(0.1) | 33(3) | 1781(12) |
| 15+ years | 13(0.7) | 6(0.3) | 9(0.5) | 474(26) | 171(9) | 2(0.1) | 66(0.8) | 15(0.7) | 604(26) | 0 | 0 | 244(10) | 87(3) | 35(1) | 1677(6) |
| Missing | 0 | 2 | 21 | 70 | 16 | 0 | 0 | 7 | 103 | 65 | 155 | 72 | 1 | 12 | 535 |
| Vaccination status3 | |||||||||||||||
| 0 dose | 6(5) | 5(9) | 63(45) | 475(23) | 183(39) | 11(17) | 16(7) | 54(49) | 950(36) | 871(37) | 81(36) | 120(32) | 30(27) | 28(22) | 2893(32) |
| ≥ 1 dose | 77(68) | 43(77) | 42(30) | 408(20) | 142(30) | 33(51) | 159(72) | 35(32) | 879(34) | 775(33) | 98(44) | 255(68) | 80(72) | 43(34) | 3069(34) |
| Unknown | 30(27) | 8(14) | 34(25) | 1159(57) | 149(31) | 21(32) | 47(21) | 21(19) | 779(30) | 734(31) | 44(20) | 0 | 1(1) | 54(43) | 3081(34) |
| Residence | |||||||||||||||
| Rural | 59(3) | 22(1) | 0 | 167(7) | 181(8) | 5(0.1) | 39(1) | 0 | 1454(52) | 2084(73) | 193(7) | 259(9) | 97(2) | 100(3) | 4660(9) |
| Urban | 24(24) | 31(30) | 3(3) | 372(351) | 20(18) | 2(2) | 3(2) | 0 | 1153(886) | 296(222) | 26(19) | 116(83) | 10(7) | 5(3) | 2061(118) |
| Missing | 30(27) | 3(6) | 136(98) | 1503(74) | 273(58) | 58(89) | 180(81) | 110(100) | 1 | 0 | 4(1) | 0 | 4(4) | 20(16) | 2322(26) |
[1] IR is Incidence Rate, calculated by dividing the number of confirmed cases by population estimate for the year and multiplied by 1,000,000
2
Confirmed cases include laboratory-confirmed, epidemiologically confirmed and clinical-compatible case
3
Vaccination status data on parentheses is percentage