"In general, suicide attackers are rarely socially isolated, clinically insane, or economically destitute individuals, but are most often educated, socially integrated, and highly capable people who could be expected to have a good future" (200). Pape discusses problems of data-gathering (201–02). He establishes 462 individuals in his "universe" of suicide terrorists available for analytical purposes (203). Hezbollah suicide bombers in the period 1982–1986 were 71% Communist/Socialist, 21% Islamist, 8% Christian (204–07). In general, suicide terrorists are in their early 20s (207–08). Females are fewer in Islamist groups: "Islamist fundamentalism may actually reduce the number of suicide terrorists by discouraging certain categories of individuals" (208–09). Female suicide terrorists tend to be older than male (209–10). There is no documented mental illness in any case of suicide terrorism, though there are 16 cases of personal trauma (e.g., the loss of a loved one) (210–11). Arab suicide terrorists are in general better educated than average and are from the working or middle classes (211–16). "hey resemble the kind of politically conscious individuals who might join a grassroots movement more than they do wayward adolescents or religious fanatics" (216).