Indian Journal of Palliative Care
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 ORIGINAL ARTICLE
Year : 2019  |  Volume : 25  |  Issue : 3  |  Page : 374--378

Validation of the comprehensive needs assessment tool in patients with advanced cancer


1 Division of Supportive and Palliative Care, National Cancer Centre; Lien Centre for Palliative Care, Duke-NUS Medical School, Singapore
2 Division of Supportive and Palliative Care, National Cancer Centre, Singapore
3 Department of Social Work, Faculty of Arts and Social Sciences, National University of Singapore, Singapore
4 Department of Quality, Assisi Hospice, Singapore
5 Centre for Quantitative Medicine, Duke-NUS Medical School, Singapore; Centre for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland

Correspondence Address:
Dr. Grace Meijuan Yang
Division of Supportive and Palliative Care, National Cancer Centre, 11 Hospital Drive, Singapore 169610
Singapore
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/IJPC.IJPC_38_19

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Aims: The 59-item Comprehensive Needs Assessment Tool (CNAT) for cancer patients is an English language survey developed in South Korea. The objective of this study was to validate the English version of CNAT in advanced cancer patients in Singapore. Methods: This was a cross-sectional survey where advanced cancer patients completed the CNAT in English. Confirmatory factor analysis was used to assess construct validity. For known groups validity, independent samples t-test was used to compare CNAT scores based on the Karnofsky performance status and outpatient versus inpatient setting. Cronbach's alpha was used to measure internal consistency. Results: A total of 328 advanced cancer patients were recruited. The mean age was 59.6 years and 49.1% were male. Majority (68.0%) were Chinese, 20.4% were Malay, 7.9% were Indian, and 3.7% were of other ethnicities. The 7-factor model previously established in Korea showed sufficient construct validity with root mean square error of approximation 0.037 and comparative fit index 0.944. All 59 items had a factor loading ≥0.5. Group invariance test showed no difference in the pattern of factor loadings between ethnic Chinese and other ethnic groups (P = 0.155). For known groups validity, there were significant differences in CNAT scores by performance status and outpatient versus inpatient setting. The CNAT total and factor scores showed good internal consistency with Cronbach's alpha of between 0.80 and 0.937. Conclusions: The CNAT showed construct and known-group validity and internal consistency in this study sample and can be used to assess the unmet needs of advanced cancer patients in the Singapore context.






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