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Table 4 Comparing results of CFA and PAF in original 10-item version of the PRAQ-R2 and an alternative 9-item version after excluding item 3

From: Psychometric properties of the German version of the pregnancy-related anxiety questionnaire-revised 2 (PRAQ-R2) in the third trimester of pregnancy

 

10-item version

9-item version

CFA

χ2 (df)

98.54 (32)

55.66 (24)

p2)

.00

.00

CFI/TLI

.97/.96

.98/.98

RMSEA (90% CI)

.08 (.06, .09)

.06 (.04, .08)

p (RMSEA ≤0.05)

.01

.19

SRMR

.06

.03

AIC/BIC

8446.28/8317.98

7391.57/7508.15

PAF

 KMO

.81

.79

 Bartlett’s test of sphericity χ2 (df)

2082.74 (45)

1958.71 (36)

p2)

.00

.00

 Explained variance (%)

  

 FoGB

10.16

11.16

 WaHC

40.24

41.60

 CoA

17.69

19.60

 PRAQ-R2 total score

68.09

72.34

  1. KMO Kaiser-Meyer Olkin criterion of sampling adequacy, AIC Akaike’s Information Criterion, BIC Schwarz’s Bayesian Criterion