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. 2018 Nov 28;13(11):e0207112. doi: 10.1371/journal.pone.0207112

Table 18. Number of articles predicting income, with associated predictors and references.

Category (n = no. articles) Predictors (n = no. articles) References
Social Media (6) Language (6) [20,84,253,285,302,364]
Smartphone (5) Application Data (1) [13]
Call/SMS Data (4) [187,365367]
Network Data (1) [187]
Websites (2) Web Usage Data (2) [200,294]