Development of an EORTC questionnaire measuring instrumental activities of daily living (IADL) in patients with brain tumours: phase I–III.
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| Title: | Development of an EORTC questionnaire measuring instrumental activities of daily living (IADL) in patients with brain tumours: phase I–III. |
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| Authors: | Oort, Quirien (AUTHOR), Dirven, Linda (AUTHOR), Sikkes, Sietske A. M. (AUTHOR), Aaronson, Neil (AUTHOR), Boele, Florien (AUTHOR), Brannan, Christine (AUTHOR), Egeter, Jonas (AUTHOR), Grant, Robin (AUTHOR), Klein, Martin (AUTHOR), Lips, Irene (AUTHOR), Narita, Yoshitaka (AUTHOR), Sato, Hitomi (AUTHOR), Sztankay, Monika (AUTHOR), Stockhammer, Günther (AUTHOR), Talacchi, Andrea (AUTHOR), Uitdehaag, Bernard M. J. (AUTHOR), Reijneveld, Jaap C. (AUTHOR), Taphoorn, Martin J. B. (AUTHOR) |
| Source: | Quality of Life Research. May2021, Vol. 30 Issue 5, p1491-1502. 12p. 1 Diagram, 4 Charts, 1 Graph. |
| Subjects: | Activities of daily living, Brain tumors, Medical personnel, Exploratory factor analysis, Caregivers |
| Abstract: | Purpose: Being able to function independently in society is an important aspect of quality of life. This ability goes beyond self-care, requires higher order cognitive functioning, and is typically measured with instrumental activities of daily living (IADL) questionnaires. Cognitive deficits are frequently observed in brain tumour patients, however, IADL is almost never assessed because no valid and reliable IADL measure is available for this patient group. Therefore, this measure is currently being developed. Methods: This international multicentre study followed European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Group module development guidelines. Three out of four phases are completed: phases (I) generation of items, (II) construction of the item list, and (III) pre-testing. This paper reports the item selection procedures and preliminary psychometric properties of the questionnaire. Brain tumour patients (gliomas and brain metastases), their informal caregivers, and health care professionals (HCPs) were included. Results: Phase I (n = 44 patient-proxy dyads and 26 HCPs) generated 59 relevant and important activities. In phase II, the activities were converted into items. In phase III (n = 85 dyads), the 59 items were pre-tested. Item selection procedures resulted in 32 items. Exploratory factor analysis revealed a preliminary dimensional structure consisting of five scales with acceptable to excellent internal consistency (α = 0.73–0.94) and two single items. For three scales, patients with cognitive impairments had significantly more IADL problems than patients without impairments. Conclusion: A phase IV validation study is needed to confirm the psychometric properties of the EORTC IADL-BN32 questionnaire in a larger international sample. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | Purpose: Being able to function independently in society is an important aspect of quality of life. This ability goes beyond self-care, requires higher order cognitive functioning, and is typically measured with instrumental activities of daily living (IADL) questionnaires. Cognitive deficits are frequently observed in brain tumour patients, however, IADL is almost never assessed because no valid and reliable IADL measure is available for this patient group. Therefore, this measure is currently being developed. Methods: This international multicentre study followed European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Group module development guidelines. Three out of four phases are completed: phases (I) generation of items, (II) construction of the item list, and (III) pre-testing. This paper reports the item selection procedures and preliminary psychometric properties of the questionnaire. Brain tumour patients (gliomas and brain metastases), their informal caregivers, and health care professionals (HCPs) were included. Results: Phase I (n = 44 patient-proxy dyads and 26 HCPs) generated 59 relevant and important activities. In phase II, the activities were converted into items. In phase III (n = 85 dyads), the 59 items were pre-tested. Item selection procedures resulted in 32 items. Exploratory factor analysis revealed a preliminary dimensional structure consisting of five scales with acceptable to excellent internal consistency (α = 0.73–0.94) and two single items. For three scales, patients with cognitive impairments had significantly more IADL problems than patients without impairments. Conclusion: A phase IV validation study is needed to confirm the psychometric properties of the EORTC IADL-BN32 questionnaire in a larger international sample. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 09629343 |
| DOI: | 10.1007/s11136-020-02738-5 |
