Table 2.

Alternative model analysis

Model	Factors	x2	df	RMSEA	GFI	TLI	CFA
Model 1	Four factors: Hypothesized model	1283.54	371	0.08	0.79	0.92	0.93
Model 2	Three factors: combined SPL with proactive personality	3348.43	374	0.15	0.44	0.74	0.76
Model 3	Two factors: combined SPL, proactive personality, and employee autonomy	4004.44	376	0.17	0.39	0.69	0.71
Model 4	One factor: combined all variables	8138.98	377	0.24	0.34	0.33	0.38

Note: x² = Chi-square; df = degrees of freedom; RMSEA = root mean square error of approximation; GFI = goodness of fit index; TLI = Tucker-Lewis index; CFI = comparative fit index