Table 2.

Individual factors.

Major Categories	Category Segmentation	Source
Individual Factors	Physiological Factors	Yang and Byung [16], Fang et al. [17], Syamlal et al. [18]
	Psychological Factors	Yang and Byung [16], Leung et al. [19], Kim [20], Ju et al. [21], Wang et al. [22], Chen and Li [23], Wu et al. [24], Mohammadi and Tavakolan [2]
	Personality characteristics	Sing et al. [25], Chen et al. [26], Hasanzadeh et al. [27], Hasanzadeh et al. [3], Zhang et al. [4]
	Subjective attitude consciousness	Cavazza and Serpe [28], Xu et al. [29], Gyu-sun et al. [30]
	Risk perception	Burns and Conchie [31], Huang et al. [32], Man et al. [33]
	Language and cultural barriers	Al-Bayati et al. [34], Al-Bayati et al. [35], Chan et al. [36]