. 2022 Feb 26;19(5):2744. doi: 10.3390/ijerph19052744

Table 2.

Reliability and validity tests of the scale.

Construct		Item	Corrected Item-Total Correlation	Cronbach’s α after Deletion of Items	Cronbach’s α	KMO	Sig.
N		N1	0.783	0.85	0.890	0.954	0.00
		N2	0.802	0.843
		N3	0.82	0.835
		N4	0.636	0.902
ATT	instrumental attitudes	ATT1	0.781	0.84	0.885
	instrumental attitudes	ATT2	0.724	0.862
	affective attitudes	ATT3	0.746	0.854
	affective attitudes	ATT4	0.747	0.853
SN	injunctive norm	SN1	0.702	0.829	0.863
	injunctive norm	SN3	0.744	0.811
	descriptive norm	SN2	0.689	0.834
	descriptive norm	SN4	0.708	0.826
PBC	control	PBC1	0.747	0.829	0.873
	control	PBC2	0.697	0.849
	self-efficacy	PBC3	0.747	0.828
	self-efficacy	PBC4	0.717	0.84
IN		IN1	0.749	0.749	0.847
		IN2	0.703	0.703
		IN3	0.695	0.695
URB		URB1	0.677	0.865	0.878
		URB2	0.761	0.833
		URB3	0.753	0.837
		URB4	0.758	0.834

Note: N = normlessness; ATT = underestimate risk attitude; SN = subjective norm; PBC = perceptual behavior control; IN = underestimate risk intention; URB = underestimate risk behavior; KMO = Kaiser–Meyer–Olkin.