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

Table 5 Correlation coefficients among the factors of AHRKAAS and between the factors and the total scale of AHRKAAS

Factor	Factor 2	Factor 3	Factor 4	AHRKAAS
Factor 1	0.353^**	0.253^**	0.557^**	0.685^**
Factor 2	_	0.543^**	0.347^**	0.722^**
Factor 3	_	_	0.350^**	0.819^**
Factor 4	_	_	_	0.703^**

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 harms on human body; Factor 4, the cognition of haze health protection measures. This symbol ‘_‘indicates no such correlation coefficient. ^**P < 0.01

ISSN: 1471-2458