That Brexit poll

ORB for the Independent (UK)

Table 4. 33 percent of Leave respondents see No Risk from leaving.

Table 17. Remain versus Leave for the 60 percent of sample with secondary school or similar education (shares in total): 49 percent of Remain,  70 percent of Leave.

UPDATE: Similar question in the Opinium Poll (Observer) which in general shows Remain with a tight lead:

For the 56 percent of sample with secondary/pre-degree qualification (GCSE, NVQ etc), Shares of total: 49 percent of remain, 63 percent of Leave.