![]() What was known already: Household surveys remain an important source of population-based data on birthweight, but with challenges in data quality including missing birthweights and heaping.Improving the accuracy and recording of birthweights, and better communication with women, for example using health cards, could improve survey birthweight data availability and quality. Substantial data gaps remain for birthweight data in household surveys, even amongst facility births. Qualitative data suggested that knowing their baby’s weight was perceived as valuable by women in all sites, but lack of measurement and poor communication, alongside social perceptions and spiritual beliefs surrounding birthweight, impacted women’s ability to report birthweight. A gap analysis showed large missed opportunity between facility birth and known birthweight, especially for neonatal deaths. Recalled birthweights were more heaped than those recorded by card (aOR 2.59(95%CI 2.11–3.19)). Half of recorded birthweights were heaped on multiples of 500 g. Increased levels of maternal education were associated with increases in reporting weighing and knowing birthweight. Home births and neonatal deaths were less likely to be weighed at birth (home births aOR 0.03(95%CI 0.02–0.03), neonatal deaths (aOR 0.19(95%CI 0.16–0.24)), and when weighed, actual birthweight was less likely to be known (aOR 0.44(95%CI 0.33–0.58), aOR 0.30(95%CI 0.22–0.41)) compared to facility births and post-neonatal survivors. High levels of heterogeneity were observed between sites. Of all babies, 62.4% were weighed at birth, 53.8% reported birthweight and 21.1% provided health cards with recorded birthweight. ResultsĪlmost all women provided responses to birthweight survey questions, taking on average 0.2 min to answer. Twenty-eight focus group discussions with women and interviewers explored barriers and enablers to reporting birthweight. ![]() ![]() Responses to existing DHS/MICS birthweight questions on 14,411 livebirths were analysed and estimated adjusted odds ratios (aORs) associated with reporting weighing, birthweight and heaping reported. The EN-INDEPTH population-based survey of 69,176 women was undertaken in five Health and Demographic Surveillance System sites (Matlab-Bangladesh, Dabat-Ethiopia, Kintampo-Ghana, Bandim-Guinea-Bissau, IgangaMayuge-Uganda). Few studies have addressed how to close these gaps in surveys. Household surveys remain an important source of population-based birthweight information, notably Demographic and Health Surveys (DHS) and UNICEF’s Multiple Indicator Cluster Surveys (MICS) however, data quality concerns remain. Low birthweight (< 2500 g) is an important marker of maternal health and is associated with neonatal mortality, long-term development and chronic diseases. ![]()
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