Table 3 Confirmatory factor analysis and chi-square test for competitive models.

From: Mentor support and postdoctoral sustainable careers: evidence from China

No.

Model

χ2

df

χ2/df

RMSEA

SRMR

CFI

TLI

Comparison

∆χ2

∆df

p

1

Five-factor model:

MS, WE, EP, SCS, MH

1003.880

362

2.773

0.072

0.053

0.914

0.903

    

2

Four-factor model 1:

MS, WE, EP, SCS + MH

1054.379

364

2.897

0.074

0.056

0.907

0.897

2 vs 1

50.499

2

<0.001

3

Four-factor model 2:

MS, WE, EP + SCS, MH

1418.517

364

3.897

0.092

0.088

0.858

0.842

3 vs 1

414.637

2

<0.001

4

Four-factor model 3:

MS, WE, EP + MH, SCS

1376.478

364

3.782

0.090

0.082

0.864

0.848

4 vs 1

373.598

2

<0.001

5

Three-factor model:

MS, WE, EP + SCS + MH

1585.667

366

4.332

0.099

0.092

0.836

0.818

5 vs 1

581.787

4

<0.001

6

Two-factor model:

MS + WE, EP + SCS + MH

1878.461

368

5.105

0.109

0.113

0.797

0.776

6 vs 1

874.581

6

<0.001

7

One-factor model:

MS + WE + EP + SCS + MH

2772.901

370

7.494

0.138

0.121

0.677

0.646

7 vs 1

1769.021

8

<0.001

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