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Table 6 The MIIC and the Cronbach’s α coefficient of each factor and the whole AHRKAAS

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

Factor

Number of Items

MIIC

Cronbach’s α

Factor 1

7

0.652

0.928

Factor 2

4

0.530

0.819

Factor 3

9

0.567

0.922

Factor 4

5

0.519

0.839

AHRKAAS

25

0.329

0.923

  1. 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. MIIC, mean inter-item correlation coefficients
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BMC Public Health

ISSN: 1471-2458

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