this is owing to the fact that information on breastfeeding is available only for children who are born within the fiveyear interval before the survey and the logit model forces us to drop all observations that are not fully at risk in this case all children less than five years of age and alive at the time of the survey for control purposes we also run a separate estimation for underfive mortality excluding breastfeeding as a determinant the results broadly confirm this view and are reported in the annex