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Health surveys are a key tool for decision-making in health policies and health services planning. The use of small-area statistical methods that use information at different geographic levels may be useful for estimating health indicators at a lower geographical level than originally considered in the survey design.
Montoya, I., Esnaola, S., Calvo, M., Aldasoro, E., Audicana, C., & Marí-Dell’Olmo, M. (2019). Small area estimation of health indicators based on data from the Basque Country Health Survey. Gaceta Sanitaria, 33(3), 289–292. https://doi.org/10.1016/j.gaceta.2018.04.016