Table 2.

Deviance for logit models of fatality by “source of injury,” “project group,” and “project cost”.

ID	Model	Logit (πijk)	Deviance	d.f.
1	Null	η	156.87	107
	One Factor
2	SoI	η + αi	135.29	102
3	PT	η + βj	138.16	103
4	CoI	η + γk	145.07	102
	Two Factors
5	SoI + PT	η + αi + βj	113.59	98
6	SoI + CoI	η + αi + γk	123.40	97
7	PT + CoI	η + βj + γk	125.49	98
8	SoI × PT	η + αi + βj + (αβ)ij	91.65	80
9	SoI × CoI	η + αi + γk + (αγ)ik	98.64	72
10	PT × CoI	η + βj + γk + (βγ)jk	100.98	82
	Three Factors
11	SoI + PT + CoI	η + αi + βj + γk	101.20	93
12	SoI × PT + CoI	η + αi + βj + γk + (αβ)ij	78.21	75
13	SoI × CoI + PT	η + αi + βj + γk + (αγ)ik	75.10	68
14	SoI + PT × CoI	η + αi + βj + γk + (βγ)jk	77.79	77
15	SoI × PT + SoI×CoI	η + αi + βj + γk + (αβ)ij + (αγ)ik	55.17	50
16	SoI × PT + PT × CoI	η + αi + βj + γk + (αβ)ij + (βγ)jk	54.38	59
17	SoI × CoI + PT × CoI	η + αi + βj + γk + (αγ)ik + (βγ)jk	56.75	52
18	SoI × PT + SoI × CoI + PT × CoI	η + αi + βj + γk + (αβ)ij + (αγ)ik + (βγ)jk	37.55	34