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. 2021 Dec 9;152(3):872–879. doi: 10.1093/jn/nxab417

TABLE 1.

Assessment of household survey birthweight data quality1

Reported Reported with simulated missingness Reported with simulated missingness and multiple imputations
UNICEF LBW database quality criteria
1) Total number of births 1499 1483 1483
2) Percentage of births with a birthweight 95.1 32.0 100
3) Heaping criteria
   a) Percentage of all birthweights falling on the 3 most frequent birthweights 58.0 60.6 19.6
   b) Percentage of birthweights ≥4500 g 2.1 1.3 0.8
   c) Percentage of birthweights on tail ends of 500 g and 5000 g 0.1 0.0 0.0
Additional quality indicators
 Percentage of birthweights weighing exactly 2500 g 19.1 18.7 6.1
 Percentage on 500s 71.4 71.6 23.1
1

LBW, low birthweight.