IOv
	Survey1	Survey2	Survey3
R	0.887	0.895	0.904
R2	0.787	0.802	0.818
adjusted R2	0.787	0.801	0.817
β (standardized partial regression coefficient)
IPs	0.269 **	0.275 **	0.193 **
	[2]	[2]	[3]
IPh	−0.001	0.041 **	0.023 *
		[5]	[7]
IN	0.307 **	0.335 **	0.323 **
	[1]	[1]	[2]
IC	0.003	0.026 **	0.026†
		[7]	[6]
IO	0.168 **	0.113 **	0.144 **
	[4]	[4]	[4]
IE	0.235 **	0.243 **	0.324 **
	[3]	[3]	[1]
IPo	−0.004	−0.017 †	0.001
		[8]
ICul		−0.029 **	−0.050 **
		[6]	[5]
Notes: **: p < 0.01,*: p < 0.05,†: p < 0.1