The data set contains more than 20 consumption categories.18 Summing them up gives a measure of total individual consumption. I assort the existing consumption sub-categories (narrowly defined consumption categories) into 14 consumption categories. The categories are similar to DeLeire and Kalil (2010), but not identical. They use only nine consumption categories. The difference is partly explained by the different data sources. Moreover, the greater sample size of this data set allows me to disentangle categories that are subsumed by DeLeire and Kalil (2010). For instance, they use the category leisure to capture sport and leisure expenditures, whereas I differentiate between sport and leisure spending. Sport purchases are not necessarily conducted for the purpose of recreation and pleasure (like leisure), but can also aid fitness and health goals. Another difference to DeLeire and Kalil (2010) is that I include consumption data for child education and money spent on care for children and elderly.19 The consumption categories are summarized hereafter: