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Table 2 Mortality for children with and without measles vaccine and vaccines during follow-up. Stratified by age at measles vaccination and sex

From: Is early measles vaccination associated with stronger survival benefits than later measles vaccination?

  Number of observations MR per 1000 PYRS (deaths/PYRS) HR (95% CI)a Number of observations with a seen vaccination card within 12 months after visit Measles Vaccinated during follow up DTP Vaccinated during follow up
All children
Measles unvaccinated 9440 65.5 (272/4155) 1 (ref) 5825 48% (2767/5825) 30% (1721/5825)
Measles vaccinated 22,285 44.9 (441/9811) 0.76 (0.63–0.91) 16,535 3% (532/16535) 10% (1580/16535)
 Early age (< 274 days)b 5740 41.9 (106/2528) 0.68 (0.53–0.87) 4096 4% (183/4096) 10% (424/4096)
 Recommended age (274–365 days) b 9706 44.3 (188/4245) 0.77 (0.62–0.96) 7027 3% (201/7027) 7% (489/7027)
 Late (366–735 days) b 6839 48.4 (147/3038) 0.86 (0.67–1.11) 5412 3% (148/5412) 12% (667/5412)
Boys
Measles unvaccinated 4782 63.7 (134/2104) 1 (ref) 2943 47% (1385/2943) 28% (832/2943)
Measles vaccinated 11,345 46.2 (231/4995) 0.79 (0.62–1.00) 8505 3% (270/8505) 10% (814/8505)
 Early age (< 274 days) b 2936 48.1 (62/1290) 0.79 (0.57–1.08) 2074 4% (85/2074) 11% (228/2074)
 Recommended age (274–365 days)b 4959 42.8 (93/2170) 0.75 (0.56–1.00) 3636 3% (107/3636) 7% (254/3636)
 Late (366–735 days)b 3450 49.5 (76/1535) 0.89 (0.64–1.22) 2795 3% (78/2795) 12% (332/2795)
Girls
Measles unvaccinated 4658 67.3 (138/2051) 1 (ref) 2882 48% (1382/2882) 31% (889/2882)
Measles vaccinated 10,940 43.6 (210/4816) 0.73 (0.57–0.93) 8030 3% (262/8030) 10% (766/8030)
 Early age (< 274 days)b 2804 35.5 (44/1238) 0.57 (0.40–0.81) 2022 5% (98/2022) 10% (196/2022)
 Recommended age (274–365 days)b 4747 45.8 (95/2075) 0.79 (0.59–1.05) 3391 3% (94/3391) 7% (235/3391)
 Late (366–735 days)b 3389 47.2 (71/1503) 0.83 (0.60–1.15) 2617 3% (70/2617) 13% (335/2617)
  1. aAge as underlying time scale, stratified by village cluster; bAge at measles vaccination according to the information obtained from the vaccination card at the beginning of the observation period. Abbreviations: MR Mortality Rate, PYRS Person years, HR Hazard Ratio, CI Confidence interval