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Table 3 The principal component and factor analysis of the Chinese version of ABQOL

From: Reliability and validity of the Chinese version of the autoimmune bullous disease quality of life (ABQOL) questionnaire

Question No.

Description of item

Factor 1 symptoms

Factor 2 mucosal

Factor 3 psychosocial

1

pain

.796

.038

-.162

2

itch

.765

-.228

-.096

3

clothing changes

.521

.212

-.030

4

healing

.664

.026

.042

5

bathing or showering

.736

-.044

.089

6

pain (mouth)

.027

.817

.034

7

gingival bleeding

.091

.711

-.002

8

food avoidance

.053

.270

.360

9

embarrassment

.473

.136

.395

10

depression

.582

.278

.124

11

anxiety

.524

.270

.151

12

family/friends

.494

-.321

.406

13

sexual activity

.263

.077

.571

14

relationships

-.023

-.395

.844

15

social life

.325

.253

.487

16

work and study

.112

.417

.506

17

discrimination

-.170

.254

.616

  1. Extraction method: principal components analysis; rotation method: Oblimin with Kaiser normalization; Bold items load on the assigned factor