Extended Data Table 1 Conditional Distributions of Friends’ SES by Own SES Decile

From: Social capital I: measurement and associations with economic mobility

  1. This table shows the number and percentage of friends from each SES decile by individuals’ own SES deciles. Panels A and B, respectively, calculate friend shares and average numbers of friends using current SES and individuals’ entire friendship networks. Panels C and D calculate friend shares and average numbers of friends using parental SES and individuals’ high school friendship networks—the set of peers within three birth cohorts who attended the same high school. In Panels A and B, the statistics are calculated on our primary analysis sample (see Extended Data Table 4a). In Panels C and D, they are calculated on the subsample with linked parental SES and high schools (see Extended Data Table 4b). See Supplementary Figure 16 for a heat map of an analogous matrix showing friendship links by percentile (rather than decile) of own SES.
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