Table 5.

Pilot search excerpt

Reference	Study design	Incl/Excl
Elbakidze, L. & Jin, Y. H., Are economic development and education improvement associated with participation in transnational terrorism? Risk Analysis. Vol. 35(8), 2015, pp. 1520‐1535	Cross‐sectional	Excluded based on dependent variable
Najeeb Shafiq, M., & Sinno, A. H. (2010). Education, income, and support for suicide bombings: Evidence from six Muslim countries. Journal of Conflict Resolution, 54(1), 146‐178	Cross‐sectional	Excluded based on country
Bhui K, Warfa N, Jones E., Is violent radicalisation associated with poverty, migration, poor self‐reported health and common mental disorders? PLoS ONE 9(3), 2014	Cross‐sectional	Included
Krueger, A. B. (2008). What makes a homegrown terrorist? Human capital and participation in domestic Islamic terrorist groups in the USA. Economics Letters, 101(3), 293‐296	Case‐control	Included