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Quality of Life Research

, Volume 22, Issue 7, pp 1767–1772 | Cite as

Validation of the Korean version of the Pain Catastrophizing Scale in patients with chronic non-cancer pain

  • Sungkun Cho
  • Hye-Young Kim
  • Jang-Han LeeEmail author
Brief Communication

Abstract

Purpose

Pain catastrophizing often has been measured using the Pain Catastrophizing Scale (PCS). Studies of the PCS nearly consistently support its three-factor structure (i.e., helplessness, magnification, and rumination) and satisfactory psychometric properties across different countries and languages. This study aimed to assess the generalizability of the three-factor structure of the PCS to Korean patients with chronic non-cancer pain and to investigate reliability, measurement error, and construct validity of a Korean version of the PCS (K-PCS).

Methods

A total of 182 patients with chronic pain seeking treatment in a tertiary pain center located in Seoul, Korea, participated.

Results

Confirmatory factor analysis demonstrated the adequacy of the three-factor structure of the K-PCS; ‘helplessness,’ ‘magnification,’ and ‘rumination.’ The internal consistency for ‘helplessness,’ ‘magnification,’ ‘rumination,’ and total scale of the K-PCS were Cronbach’s α = .90, .71, .86, and .93, respectively; test–retest stability, ICC = .77, .73, .65, and .79, respectively; the standard estimation of measurement, 1.93, 1.34, 2.13, and 3.72, respectively; the minimum detectable change, 5.33, 3.70, 5.89, and 10.28, respectively; and the limits of agreement, −7.66 to 9.20, −5.07 to 5.01, −7.30 to 6.86, and −15.26 to 16.46, respectively. At least moderate positive correlations were observed between the K-PCS and pain intensity, depression, and pain-related anxiety, and moderate negative correlations between the K-PCS and physical and psychological functioning.

Conclusion

The K-PCS has the reliability, measurement error, and construct validity support for assessing pain catastrophizing in a Korean patient sample with chronic non-cancer pain.

Keywords

Chronic pain Korean Pain Catastrophizing Scale Validity 

Abbreviations

CNCP

Chronic non-cancer pain

PCS

Pain Catastrophizing Scale

K-PCS

Korean version of Pain Catastrophizing Scale

NRS

Numerical Rating Scale

BDI

Beck Depression Inventory

PASS-20

Pain Anxiety Symptom Scale-20

SF-36

Short Form-36

CFA

Confirmatory factor analysis

RMSEA

Root-mean square error of approximation

CFI

Comparative fit index

NNFI

Non-normed fit index

ICC

Intraclass correlation

SEM

Standard error of measurement

MDC

Minimum detectable change

LOA

Limits of agreement

Notes

Acknowledgments

This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2012R1A1A2008624).

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  1. 1.Department of PsychologyChung-Ang UniversitySeoulKorea

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