抄録
By using bayesian network, we assessed the correlations between the occurrence of snatch and the reasons for the increase in elderly people's feeling of insecurity toward snatch-thieves in walking environment. The following findings were noted: 1)36.4% correlation between safe road-uneasy feeling; 6.4% between unsafe road-uneasy feeling; 16.1% between unsafe road-safety feeling, 16.1%; 2)the strongest relationship being between safety/uneasy feeling toward pedestrian/vehicle flow and occurrence of snatch; and 3)The correlation between uneasy feeling toward pedestrian/vehicle flow and occurrence of snatch at the same time range it is expected is 41%, while occurrence of snatch when it is not expected is 26%.
