Psychometric properties of an Australian supportive care needs assessment tool for Indigenous patients with cancer

Garvey, Gail, Beesley, Vanessa L., Janda, Monika, O'Rourke, Peter K., He, Vincent Y.F., Hawkes, Anna L., Elston, Jacinta K., Green, Adele C., Cunningham, Joan, and Valery, Patricia C. (2015) Psychometric properties of an Australian supportive care needs assessment tool for Indigenous patients with cancer. Cancer, 121 (17). pp. 3018-3026.

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Background: There are significant disparities in cancer outcomes between Indigenous and non-Indigenous Australians. Identifying the unmet supportive care needs of Indigenous Australians with cancer is imperative to improve their cancer care. The purpose of the current study was to test the psychometric properties of a supportive cancer care needs assessment tool for Indigenous people (SCNAT-IP) with cancer.

Methods: The SCNAT-IP was administered to 248 Indigenous Australians diagnosed with a range of cancer types and stages, and who received treatment in 1 of 4 Queensland hospitals. All 39 items were assessed for ceiling and floor effects and were analyzed using exploratory factor analysis to determine construct validity. Identified factors were assessed for internal consistency and convergent validity to validated psychosocial tools.

Results: Exploratory factor analysis revealed a 4-factor structure (physical and psychological, hospital care, information and communication, and practical and cultural needs) explaining 51% of the variance. Internal consistency of the 4 subscales was good, with Cronbach alpha reliability coefficients ranging from .70 to .89. Convergent validity was supported by significant correlations between the SCNAT-IP with the National Comprehensive Cancer Network Distress Thermometer (correlation coefficient [r] = 0.60; P<.001) and the Cancer Worry Chart (r = 0.58; P<.001) and a moderately strong negative correlation with the Assessment of Quality of Life questionnaire (r = -0.56; P<.001).

Conclusions: These data provide initial support for the SCNAT-IP, a measure of multiple supportive care needs domains specific to Indigenous Australian patients with cancer undergoing treatment.

Item ID: 41780
Item Type: Article (Research - C1)
ISSN: 1097-0142
Keywords: Indigenous, cancer, supportive care, needs assessment, instrument validation
Funders: National Health and Medical Research Council (NHMRC), Charles Darwin University, Australian Research Council (ARC) Discovery Project, Cancer Council NSW , Cancer Council WA
Projects and Grants: National Health and Medical Research Council (NHMRC) program grant 552429, NHMRC Research Fellowship 1058244, ARC Future Fellowship FT100100511, ARC DO1989086, NHMRC Grant No. 552414 and 552414
Date Deposited: 08 Dec 2015 15:54
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1112 Oncology and Carcinogenesis > 111299 Oncology and Carcinogenesis not elsewhere classified @ 50%
11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111701 Aboriginal and Torres Strait Islander Health @ 50%
SEO Codes: 92 HEALTH > 9203 Indigenous Health > 920399 Indigenous Health not elsewhere classified @ 100%
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