Is a prostate cancer screening anxiety measure invariant across two different samples of age-appropriate men?

Table 5 Confirmatory factor analysis for the 1–factor anxiety models

Model	Chi–square (df)	P–value	CFI	TLI	RMSEA	WRMR
1–Factor PSA anxiety
Private Clinic	6.810 (7)	.4489	1.00	1.00	<.001	.379
Public Clinic	7.002 (6)	.3207	.999	.999	.034	.382
1–Factor DRE anxiety
Private Clinic	29.662 (7)	.0001	.983	.983	.105	.863
Public Clinic	4.334 (7)	.7406	1.000	1.004	<.001	.305
1–Factor PCS-D anxiety
Private Clinic	7.154 (6)	.3068	.999	.999	.026	.449
Public Clinic	8.776 (7)	.2691	.998	.999	.042	.373

Note. df = degrees of freedom; PSA = prostate–specific antigen test, DRE=digital rectal examination; PCS-D = prostate cancer screening decision; CFI = comparative fit index; TLI = Tucker–Lewis index; RMSEA = root mean square error of approximation; WRMR = weighted root mean square residual; bold font indicates adequate fit.

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