TABLE 2.

Model fit indices of different models developed during the ESEM process.

Model	X2	P	df	CFI	TLI	SRMR	RMSEA	[90% CI]
Full Readiness EFA – 7 factors (hypothesized) – all items (First run)	10245.535	<0.001	3233	0.822	0.789	0.32	0.066	0.064 – 0.067
Full Readiness EFA – 10 factors (PH, CO and TC split) – all items	7751.601	<0.001	2993	0.879	0.845	0.025	0.056	0.055 – 0.058
Overall Readiness – One factor – all items	908.962	<0.001	54	0.814	0.773	0.65	0.178	0.168 – 0.188
Overall Readiness – One factor with 6,7,8,12	15.213	0.0005	2	0.989	0.968	0.016	0.115	0.066 – 0.172
Overall Readiness – One factor with 3,6,7,8	2.749	0.253	2	0.999	0.998	0.010	0.027	0.000 – 0.097
Physical Readiness – One factor – all items	1274.534	<0.001	54	0.679	0.608	0.143	0.213	0.203 – 0.223
Physical Readiness – Two factor – all items	244.834	<0.001	43	0.947	0.919	0.036	0.097	0.085 – 0.109
Physical Readiness – Two factors, best performing items (+2,4,7 and -5,6,9,10)	7.090	0.5270	8	1.000	1.001	0.008	0.000	0.000 – 0.048
Physical Readiness – Two factors, best performing items (+2,3,4 and -5,6,9,10)	13.852	0.0857	8	0.997	0.993	0.011	0.038	0.000 – 0.071
Cognitive Readiness – One factor – all items)	865.279	<0.001	54	0.825	0.787	0.081	0.173	0.163 – 0.184
Cognitive Readiness – Two factor – all items)	221.154	<0.001	43	0.962	0.941	0.027	0.091	0.079 – 0.103
Cognitive Readiness – Two factors, best performing items (+2,3,4 and -6,7,8)	12.124	0.0164	4	0.996	0.986	0.007	0.064	0.025 – 0.106
Threat-Challenge Readiness – One factor – all items	842.326	<0.001	77	0.804	0.769	0.70	0.141	0.132 – 0.150
Threat-Challenge Readiness – Two factor – all items 1,2,3,4,6,8,9 = affect/state → discard 5,7,10,11,12,13,14 = capability	457.968	<0.001	64	0.899	0.857	0.41	0.111	0.102 – 0.121
Threat-Challenge Readiness – One factor – Capability	70.937	<0.001	14	0.967	0.951	0.033	0.090	0.070 – 0.112
Threat-Challenge Readiness – One factor – Best performing Items (11,12,13,14)	3.448	0.1784	2	0.999	0.996	0.011	0.038	0.000 – 0.104
Group-Team Readiness – One factor – all items	590.837	<0.001	54	0.909	0.889	0.042	0.141	0.131 – 0.152
Group-Team Readiness – One factor – Best performing Items (4,7,8,10)	5.460	0.0652	2	0.998	0.994	0.006	0.059	0.000 – 0.121
Skills-Training Readiness – One factor – all items	687.495	<0.001	54	0.853	0.821	0.058	0.153	0.143 – 0.164
Skills-Training Readiness – One factor – Best Performing Items – 3††,5,8,12)	0.146	0.9294	2	1.000	1.006	0.003	0.000	0.000 – 0.027
Equipment Readiness – One factor – all items	1826.231	<0.001	77	0.646	0.582	0.097	0.214	0.205 – 0.222
Equipment Readiness – One factor – best performing items (1,2,3,4)	0.353	0.8382	2	1.000	1.005	0.003	0.000	0.000 – 0.051
Combined overall model EFA (9-factors)	444.781	<0.001	244	0.984	0.968	0.012	0.041	0.035 – 0.047
Combined overall model ESEM (9-factors)	1034.867	<0.001	428	0.952	0.945	0.045	0.053	0.049 – 0.057
***Combined overall model CFA (NEW DATASET 9-factors)	902.363	<0.001	428	0.936	0.925	0.057	0.064	0.058 – 0.070

χ2 = Chi-square test of exact fit; CFI = Comparative Fit Index; TLI = Tucker–Lewis index; RMSEA = Root Mean Square Error of Approximation; 90% CI = 90% confidence interval of the RMSEA; ESEM = exploratory structural equation modeling. ^†† = dropped due to cross loading when incorporated into full 9-factor model.