Development and testing of the reliability and validity of the adolescent haze related knowledge awareness assessment scale (AHRKAAS)

Table 2 Rotated component matrix, eigenvalue and cumulative variance contribution rate

	Items	Factor 3	Factor 1	Factor 4	Factor 2
	Q1	_	0.812	_	_
	Q2	_	0.837	_	_
	Q3	_	0.831	_	_
	Q4	_	0.848	_	_
	Q5	_	0.746	_	_
	Q6	_	0.769	_	_
	Q7	_	0.757	_	_
	Q8	_	_	_	0.674
	Q9	_	_	_	0.714
	Q10	_	_	_	0.778
	Q11	_	_	_	0.732
	Q12	0.590	_	_	_
	Q13	0.730	_	_	_
	Q14	0.815	_	_	_
	Q15	0.819	_	_	_
	Q16	0.832	_	_	_
	Q17	0.837	_	_	_
	Q18	0.775	_	_	_
	Q19	0.732	_	_	_
	Q20	0.660	_	_	_
	Q21	_	_	0.685	_
	Q22	_	_	0.760	_
	Q23	_	_	0.785	_
	Q24	_	_	0.735	_
	Q25	_	_	0.628	_
Eigenvalue		5.634	5.263	3.034	2.614
Variance contribution rate (%)		22.535	21.053	12.134	10.456
Cumulative variance contribution rate (%)		22.535	43.588	55.722	66.178
Factor naming		The cognition of haze harmful effects on the human body	The cognition of factitious factors of haze formation	The cognition of haze health protection measures	The cognition of natural factors of haze formation

Factor 1, the cognition of factitious factors of haze formation; Factor 2, the cognition of natural factors of haze formation; Factor 3, the cognition of haze harmful effects on the human body; Factor 4, the cognition of haze health protection measures
This symbol ‘_’ indicates that values were less than 0.400. Suppress absolute values less than 0.400

ISSN: 1471-2458