A spatial model to predict the incidence of neural tube defects.

BMC Public Health · 2012 · PMC3556316 · PMID 23134640

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did not reach statistical significanceno p-value reported

R 2 was used to backward-select each combination of covariates with statistical significance (p-values <0.1): the covariates that did not reach statistical significance were removed until R 2 remained the same, improved, or decreased the least when all possible combinations of remaining covariates were considered.

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