Construction Safety Risk Assessment of Large-Sized Deep Drainage Tunnel Projects

Table 7

Score and reliability tests of secondary indicators.

Secondary index	Score	Cronbach’s alpha	Secondary index	Score	Cronbach’s alpha
E11	65.5	0.7312	D16	37.5	0.8421
E24	46	0.8063	A12	58	0.7935
B11	73.5	0.7526	D15	64.5	0.7357
D24	54.5	0.7045	A22	75	0.7603
D26	76	0.7290	D23	85.5	0.7271