OPV campaign | VAS campaign | |||||||
---|---|---|---|---|---|---|---|---|
Before | After | Before | After | |||||
All children (number of observations) | 31,725 | 13,936 | 31,725 | 11,950 | ||||
MR per 1000 PYRS deaths/ PYRS) | HR (95% CI)a | MR per 1000 PYRS deaths/ PYRS) | HR (95% CI)a | MR per 1000 PYRS (deaths/ PYRS) | HR (95% CI)a | MR per 1000 PYRS (deaths/ PYRS) | HR (95% CI)a | |
Measles unvaccinated | 73.2 (215/2938) | 1 (ref) | 46.8 (57/1217) | 1 (ref) | 72.2 (231/3199) | 1 (ref) | 42.9 (41/956) | 1 (ref) |
Measles vaccinated | 47.2 (345/7314) | 0.74 (0.60–0.92) | 38.5 (96/2496) | 0.85 (0.56–1.27) | 47.3 (371/7840) | 0.76 (0.61–0.93) | 35.5 (70/1971) | 0.71 (0.42–1.18) |
Early age (< 274 days)b | 45.7 (86/1883) | 0.70 (0.53–0.92) | 31.0 (20/645) | 0.63 (0.36–1.12) | 44.0 (90/2047) | 0.68 (0.52–0.89) | 33.3 (16/481) | 0.69 (0.35–1.35) |
Recommended age (274–365 days)b | 43.2 (135/3124) | 0.71 (0.55–0.92) | 47.2 (53/1122) | 1.07 (0.68–1.69) | 45.5 (151/3319) | 0.76 (0.60–0.97) | 39.9 (37/926) | 0.78 (0.45–1.36) |
Late (366–735 days)b | 53.7 (124/2308) | 0.89 (0.67–1.18) | 31.5 (23/730) | 0.70 (0.39–1.25) | 52.5 (130/2474) | 0.88 (0.67–1.16) | 30.1 (17/564) | 0.57 (0.28–1.15) |
Boys (number of observations) | 16,127 | 7104 | 16,127 | 6107 | ||||
Measles unvaccinated | 71.9 (107/1488) | 1 (ref) | 43.9 (27/616) | 1 (ref) | 70.5 (115/1632) | 1 (ref) | 40.3 (19/472) | 1 (ref) |
Measles vaccinated | 47.5 (177/3725) | 0.75 (0.57–0.99) | 42.5 (54/1270) | 0.97 (0.58–1.64) | 49.6 (198/3993) | 0.80 (0.61–1.04) | 32.9 (33/1002) | 0.73 (0.37–1.41) |
Early age (< 274 days)b | 49.1 (47/957) | 0.76 (0.53–1.09) | 45.1 (15/333) | 0.93 (0.47–1.84) | 49.8 (52/1045) | 0.78 (0.55–1.10) | 40.9 (10/245) | 0.90 (0.39–2.09) |
Recommended age (274–365 days)b | 42.4 (68/1605) | 0.69 (0.50–0.97) | 44.2 (25/566) | 1.08 (0.58–1.98) | 45.8 (78/1702) | 0.77 (0.56–1.05) | 32.0 (15/469) | 0.69 (0.32–1.51) |
Late (366–735 days)b | 53.3 (62/1164) | 0.88 (0.61–1.26) | 37.8 (14/371) | 0.84 (0.41–1.75) | 54.6 (68/1246) | 0.92 (0.65–1.31) | 27.7 (8/289) | 0.57 (0.22–1.46) |
Girls (number of observations) | 15,598 | 6832 | 15,598 | 5843 | ||||
Measles unvaccinated | 74.5 (108/1450) | 1 (ref) | 49.9 (30/601) | 1 (ref) | 74.0 (116/1567) | 1 (ref) | 45.4 (22/484) | 1 (ref) |
Measles vaccinated | 46.8 (168/3589) | 0.74 (0.56–0.97) | 34.2 (42/1227) | 0.72 (0.42–1.24) | 45.0 (173/3847) | 0.71 (0.54–0.93) | 38.2 (37/969) | 0.69 (0.36–1.31) |
Early age (< 274 days)b | 42.1 (39/926) | 0.63 (0.43–0.93) | 16.0 (5/312) | 0.32 (0.12–0.86) | 37.9 (38/1002) | 0.58 (0.39–0.85) | 25.4 (6/236) | 0.48 (0.18–1.29) |
Recommended age (274–365 days)b | 44.1 (67/1519) | 0.73 (0.52–1.02) | 50.4 (28/556) | 1.06 (0.59–1.90) | 45.1 (73/1617) | 0.75 (0.54–1.04) | 48.1 (22/458) | 0.83 (0.41–1.67) |
Late (366–735 days)b | 54.2 (62/1144) | 0.90 (0.63–1.29) | 25.1 (9/359) | 0.54 (0.23–1.24) | 50.5 (62/1228) | 0.83 (0.59–1.19) | 32.7 (9/275) | 0.56 (0.22–1.40) |