Table 4.

Correlation analysis among variables.

Variables	Efficiency	Trust	Transparency	Control	Incentives	Anonymity	Privacy	Data ownership	Willingness
Efficiency	1	0.74	0.71	0.62	0.62	0.67	0.14	0.54	0.55
Trust	0.74	1	0.76	0.61	0.65	0.68	0.07	0.58	0.68
Transparency	0.71	0.76	1	0.73	0.63	0.72	0.11	0.6	0.58
Control	0.62	0.61	0.73	1	0.67	0.74	0.14	0.66	0.61
Incentives	0.62	0.65	0.63	0.67	1	0.74	0.07	0.61	0.74
Anonymity	0.67	0.68	0.72	0.74	0.74	1	0.12	0.69	0.67
Privacy	0.14	0.07	0.11	0.14	0.07	0.12	1	0.22	0.07
Data ownership	0.54	0.58	0.6	0.66	0.61	0.69	0.22	1	0.68
Willingness	0.55	0.68	0.58	0.61	0.74	0.67	0.07	0.68	1