Carlos King Ho Wong|Cindy Lo Kuen Lam|Brendan Mulhern|Wai?Lun Law|Jensen T. C. Poon|Dora Lai?Wan Kwong|Janice Tsang
Measurement invariance of the Functional Assessment of Cancer Therapy—Colorectal quality-of-life instrument among modes of administration
University of Hong Kong|University of Hong Kong|University of Sheffield|University of Hong Kong|University of Hong Kong|Chinese University of Hong Kong|University of Hong Kong|Chinese University of Hong Kong|University of Hong Kong
test measurement invariance functional assessment cancer therapycolorectal factc patients colorectal neoplasms two modes administration self interviewer administrations important establish measurement invariance factc across different modes administration ascertain whether valid pool factc data collected different modes assess group separatelya crosssectional sample 391 chinese patients colorectal neoplasms recruited specialist outpatient clinics september 2009 july 2010 confirmatory factor analysis cfa used test original fivefactor model factc data collected self interviewer administrations singlegroup analysis multiplegroup cfa used compare factor structure two modes administration using chisquare tests goodnessoffit statisticsthe hypothesized fivefactor model factc demonstrated good fit group configural invariance metric invariance fully supported multiplegroup cfa item intercepts corresponding error variances identical administration groups suggesting evidence partial strict factorial invarianceour results confirmed fivefactor structure factc invariant chinese patients using self interviewer administrations appropriate pool compare data emotional wellbeing colorectal cancer subscale scores collected administrations measurement invariance three items one subscales may contaminated response bias modes administration