Quality of life in non-melanoma skin cancer--the skin cancer quality of life (SCQoL) questionnaire
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Quality of life in non-melanoma skin cancer--the skin cancer quality of life (SCQoL) questionnaire. / Vinding, Gabrielle Randskov; Christensen, Karl Bang; Esmann, Solveig; Olesen, Anne Braae; Jemec, Gregor B E.
In: Dermatologic Surgery, Vol. 39, No. 12, 12.2013, p. 1784-93.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Quality of life in non-melanoma skin cancer--the skin cancer quality of life (SCQoL) questionnaire
AU - Vinding, Gabrielle Randskov
AU - Christensen, Karl Bang
AU - Esmann, Solveig
AU - Olesen, Anne Braae
AU - Jemec, Gregor B E
N1 - © 2013 by the American Society for Dermatologic Surgery, Inc. Published by Wiley Periodicals, Inc.
PY - 2013/12
Y1 - 2013/12
N2 - BACKGROUND: Disease-specific quality of life (QoL) questionnaires are increasingly used to provide patient-reported out-come measures in both malignant and non-malignant disease.OBJECTIVE: To create, validate and test the psychometrics of the Skin Cancer Quality of Life (SCQoL), which was designed to measure health-related QoL in patients with non-melanoma skin cancer affecting any area and undergoing any therapy.METHODS AND MATERIALS: The SCQoL was developed in a stepwise approach. Three pilot studies (testing content and face validity) and psychometric testing (scale structure, reliability, domains and known-groups validity, concurrent and convergent validity) were conducted. Rasch analyses were performed on the final questionnaire.RESULTS: The initial 10-item questionnaire was reduced to 9 items following interviews and inter-item correlations. The nine item scale was confirmed by Item Response Theory (IRT) and internal consistency. Differential Item Functioning (DIF) was found for a single item, but the effect was small.CONCLUSION: The final 9-item SCQoL is unidimensional and consists of 3 domains covering function, emotions and control. Furthermore there is one single global item. The total score range from 0 to 27. Higher score denote a greater impairment of the QoL.
AB - BACKGROUND: Disease-specific quality of life (QoL) questionnaires are increasingly used to provide patient-reported out-come measures in both malignant and non-malignant disease.OBJECTIVE: To create, validate and test the psychometrics of the Skin Cancer Quality of Life (SCQoL), which was designed to measure health-related QoL in patients with non-melanoma skin cancer affecting any area and undergoing any therapy.METHODS AND MATERIALS: The SCQoL was developed in a stepwise approach. Three pilot studies (testing content and face validity) and psychometric testing (scale structure, reliability, domains and known-groups validity, concurrent and convergent validity) were conducted. Rasch analyses were performed on the final questionnaire.RESULTS: The initial 10-item questionnaire was reduced to 9 items following interviews and inter-item correlations. The nine item scale was confirmed by Item Response Theory (IRT) and internal consistency. Differential Item Functioning (DIF) was found for a single item, but the effect was small.CONCLUSION: The final 9-item SCQoL is unidimensional and consists of 3 domains covering function, emotions and control. Furthermore there is one single global item. The total score range from 0 to 27. Higher score denote a greater impairment of the QoL.
KW - Adult
KW - Aged
KW - Aged, 80 and over
KW - Female
KW - Humans
KW - Male
KW - Middle Aged
KW - Pilot Projects
KW - Psychometrics
KW - Quality of Life
KW - Questionnaires
KW - Skin Neoplasms
U2 - 10.1111/dsu.12353
DO - 10.1111/dsu.12353
M3 - Journal article
C2 - 24237851
VL - 39
SP - 1784
EP - 1793
JO - Dermatologic Surgery
JF - Dermatologic Surgery
SN - 1076-0512
IS - 12
ER -
ID: 128423822