where changes in the anchored poverty rate across the eu or the oecd are reported it is usually only done for the overall population caritas europa oecd social protection committee the severe material deprivation indicator uses the threshold of four items out of nine the only exceptions are slovakia and hungary where severe deprivation increased to a greater extent than would have been linearly predicted based on their standard deprivation rates and ireland and poland where the reverse pattern was observed however as the child deprivation module is currently only available for one wave it cannot be used to analyse the changes during the great recession the absolute difference in the poverty change between children and the overall population is then used as an indicator of how much poorer children have become over the course of the great recession compared to the population as a whole