Table 3.

Model fit indices of within and across 21 Air Navigation Service Providers (ANSPs)

Analysis	ANSP	χ2	df	χ2/df	CFI	∆CFI	Compare	RMSEA	90% CI RMSEA
0	1	392.45	143	2.74	.86			.100	.088	.111
	2	1764.74	143	12.34	.93			.074	.071	.077
	3	305.89	143	2.14	.90			.076	.064	.088
	4	432.88	143	3.03	.92			.063	.056	.070
	5	540.88	143	3.78	.90			.077	.070	.084
	6	298.96	143	2.09	.91			.076	.064	.088
	7	253.80	143	1.78	.88			.066	.053	.080
	8	242.72	143	1.70	.90			.074	.058	.090
	9	405.87	143	2.84	.93			.063	.056	.070
	10	295.31	143	2.07	.85			.093	.078	.109
	11	480.02	143	3.36	.93			.065	.059	.072
	12	447.16	143	3.13	.88			.081	.072	.089
	13	2033.51	143	14.22	.86			.091	.087	.094
	14	1035.67	143	7.24	.85			.094	.089	.099
	15	491.48	143	3.44	.92			.070	.063	.076
	16	428.03	143	2.99	.90			.071	.064	.079
	17	1816.82	143	12.71	.89			.074	.071	.077
	18	477.31	143	3.34	.92			.066	.060	.073
	19	284.30	143	1.99	.87			.071	.059	.083
	20	1569.51	143	10.98	.91			.070	.067	.073
	21	253.87	143	1.78	.89			.089	.071	.107
1	All	13253.19	3,003	4.41	.90			.017	.017	.017
2		15164.19	3,263	4.65	.88	.0	2 vs. 1	.017	.017	.018
3		16092.50	3,323	4.84	.87	.0	3 vs. 2	.018	.018	.018
4*		33718.10	3,703	9.11	.70	−.2	4 vs. 3	.026	.026	.026
5*		33718.10	3,703	9.11	.70	.0	5 vs. 4	.026	.026	.026
6*		33718.10	3,703	9.11	.70	.0	6 vs. 5	.026	.026	.026
7		36390.55	3,823	9.52	.68	.0	7 vs. 6	.027	.026	.027
8		37695.41	3,943	9.56	.67	.0	8 vs. 7	.027	.026	.027
9		55790.76	4,323	12.91	.49	−.2	9 vs. 8	.031	.031	.032

*Similar model constraints.