Improved HFACS on Human Factors of Construction Accidents: A China Perspective
Table 6
Significant chi-square test of associations and associated values of OR for the analysis of upper-level and adjacent downward-level subcategories in the I-HFACS framework ().
Significant association between upper-level and adjacent downward-level subcategories in the I-HFACS framework
χ2 test
OR value
χ2 value
value
Theoretical frequency (expected count < 5)
I-HFACS level 5 association with level 4 subcategories