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Table 1 Factor loadings of the C-PMPUQ-SV based on EFA in sample 1 (n = 1043)

From: Factor structure and measurement invariance of the problematic mobile phone use questionnaire-short version across gender in Chinese adolescents and young adults

Item

1st round

2nd round

3rd round

DU

PD

PU

DU

PD

PU

DU

PD

PU

KMO

0.830

0.816

0.790

χ2

3952.538 P < 0.001

3053.816 P < 0.001

2397.266 P < 0.001

8

0.766

  

0.772

  

0.785

  

11

0.749

  

0.744

  

0.737

  

14

0.742

  

0.730

  

0.744

  

2

0.731

  

0.760

  

0.780

  

9

0.533

  

×

  

×

  

13

 

0.733

  

0.789

  

0.836

 

10

 

0.714

  

0.755

  

0.775

 

7

 

0.649

  

0.587

(0.541)

 

×

 

1

 

0.609

  

0.536

(0.576)

 

×

 

4

 

0.586

  

0.629

  

0.684

 

5

  

0.752

  

×

 

×

 

12

  

0.684

  

0.571

  

0.613

3

  

0.646

  

0.675

  

0.714

15

  

0.544

  

0.653

  

0.668

6

  

0.536

  

0.632

  

0.637

  1. Note: C-PMPUQ-SV Chinese version of the Problematic Mobile Phone Use Questionnaire-Short Version, EFA exploratory factor analysis, DU dangerous use, PD perceived dependence, PU prohibited use, KMO Kaiser-Meyer-Olkin measure of sampling adequacy, χ = Bartlett’s test of sphericity approximate chi-square, values in parentheses = the secondary factor loading, × = items removed in the previous rotation
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BMC Psychiatry

ISSN: 1471-244X

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