Psychometric testing of four transtheoretical model questionnaires for the behavior, completing health care proxies.
The purpose of the study was to develop four questionnaires based on the transtheoretical model (TTM) to assess the behavior, completing a healthcare proxy (HCP). The aims were to (a) operationalize the four TTM constructs for completing a HCP and (b) evaluate the psychometric properties of the questionnaires. The questionnaires were constructed and content validity established using an expert panel. Internal consistency values for each questionnaire and subscales within each questionnaire were >.79. Confirmatory factor analysis provided evidence that decisional balance and the processes of change questionnaires each contained two factors. Our data support validity and reliability of the TTM questionnaires related to HCP completion.
School of Nursing, University at Buffalo, The State University of New York, 201C Wende Hall, Buffalo, NY 14214, USA.
Mary Ann
MA
Jezewski
Deborah S
DS
Finnell
Yow-Wu Bill
YW
Wu
Mary Ann
MA
Meeker
Loralee
L
Sessanna
Jongwon
J
Lee
D000293:Adolescent; D000328:Adult; D016223:Advance Directives; D000368:Aged; D005260:Female; D005851:Geriatric Nursing / Q000379:methods; D015438:Health Behavior; D006801:Humans; D008297:Male; D016743:Mental Competency; D008875:Middle Aged; D019727:Proxy; D011594:Psychometrics / Q000295:instrumentation / Q000379:methods / Q000592:standards; D015203:Reproducibility of Results; D020377:Self Efficacy; D011795:Surveys and Questionnaires / Q000592:standards*; D013727:Terminal Care; D055815:Young Adult