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Table 2 Goodness-of-fit indices of confirmatory factor analyses

From: Psychometric properties of the perceived stress scale in a community sample of Chinese

Models

χ2

df

p-value

CMIN/DF

GFI

AGFI

CFI

RMR

SRMR

RMSEA

AIC

PSS-14

5097.516

76

< 0.001

67.073

0.923

0.894

0.558

0.107

0.092

0.083

5155.516

Modified PSS-14-a

4443.156

75

< 0.001

59.242

0.933

0.907

0.616

0.069

0.074

0.078

4503.156

Modified PSS-14-b

3517.504

74

< 0.001

47.534

0.947

0.925

0.697

0.060

0.064

0.070

3579.504

PSS-13

4088.353

64

< 0.001

63.881

0.934

0.906

0.633

0.072

0.077

0.081

4142.353

Modified PSS-13

3164.756

63

< 0.001

50.234

0.949

0.926

0.717

0.061

0.065

0.072

3220.756

PSS-10

1942.359

35

< 0.001

55.496

0.959

0.936

0.778

0.054

0.055

0.076

1982.359

  1. df degrees of freedom, DMIN/DF ratio of chi-square value to degrees of freedom, GFI goodness-of-fit index, AGFI adjusted goodness-of-fit index, CFI comparative fit index, SRMR standardized root mean square residual, RMSEA root mean square error of approximation, AIC akaike information criterion, PSS-14 perceived stress scale with 14 items; Modified PSS-14-a: path from positive factor to item 12 was added to PSS-14; Modified PSS-14-b: two-way path between error 4 and error 5 were added to modified PSS-14-a; PSS-13: item 12 was deleted from PSS-14; Modified PSS-13: two-way path between error 4 and error 5 was added to PSS-13; PSS-10: perceived stress scale with 10 items.