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Supportive Care in Cancer

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01.07.2005 | Supportive Care International

Psychometric testing of the Impact of Event Scale-Chinese Version (IES-C) in oral cancer patients in Taiwan

verfasst von: Shu-Ching Chen, Yeur-Hur Lai, Chun-Ta Liao, Chia-Chin Lin

Erschienen in: Supportive Care in Cancer | Ausgabe 7/2005

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Abstract

Goals of work

No culturally relevant instrument exists to assess the impact of cancer on patients in Taiwan. Therefore, this two-phase study was undertaken to (1) develop a Chinese version of the Impact of Event Scale (IES), (2) examine its psychometric properties, and (3) use the IES-Chinese version (IES-C) to assess the impact of cancer in newly diagnosed oral cancer patients in Taiwan.

Patients and methods

The psychometric properties of the 15-item IES-C were tested in 106 newly diagnosed oral cancer patients and analyzed by descriptive statistics, test–retest reliability, Pearson’s correlation, and principal component analysis.

Main results

The results showed that (1) the IES-C has satisfactory content validity and feasibility; (2) overall internal consistency (Cronbach’s alpha) was 0.91 with values of 0.91 and 0.81 for intrusion and avoidance, respectively; (3) overall test–retest reliability (3-day interval) was 0.97; (4) two clearly identified factors explained 55.97% of the variance; (5) satisfactory construct validity was supported by both factor analysis and theoretically supported correlation analysis (significant correlations between the total IES-C and its subscales as well as anxiety and depression); and (6) oral cancer patients had relatively higher IES-C scores than previously reported.

Conclusion

These results support the IES-C as an instrument with satisfactory psychometric properties and ease of use in clinical settings. They also suggest that more attention should be paid to the impact on patients of a new diagnosis of oral cancer. Further testing of the IES-C in different cancer populations is suggested to validate its psychometric properties.

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Titel: Psychometric testing of the Impact of Event Scale-Chinese Version (IES-C) in oral cancer patients in Taiwan
verfasst von: Shu-Ching Chen
Yeur-Hur Lai
Chun-Ta Liao
Chia-Chin Lin
Publikationsdatum: 01.07.2005
Verlag: Springer-Verlag
Erschienen in: Supportive Care in Cancer / Ausgabe 7/2005
Print ISSN: 0941-4355
Elektronische ISSN: 1433-7339
DOI: https://doi.org/10.1007/s00520-005-0775-x

Springer Medizin

Psychometric testing of the Impact of Event Scale-Chinese Version (IES-C) in oral cancer patients in Taiwan

Abstract

Goals of work

Patients and methods

Main results

Conclusion

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Springer Medizin

Abstract

Goals of work

Patients and methods

Main results

Conclusion

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