Problem Discussion
Localization and the evaluation of reliability and validity of four-item scale about pruitus
Min Xu, Xujuan Xu, Xinmei Wang, Wenfang Shi, Jun Zhang
Published 2015-05-21
Cite as Chin J Prac Nurs, 2015, 31(15): 1150-1153. DOI: 10.3760/cma.j.issn.1672-7088.2015.15.017
Abstract
ObjectiveTo evaluate the reliability and validity of Chinese version of the four-item scale about pruitus, and explore its applicability in domestic uremic patients.
MethodsWith the consent of the original author, the four-item scale about pruitus was translated and also back-translated to set up Chinese version. Chinese version of the four-item scales about pruitus was applied in 221 cases of uremic patients and the reliability and validity were tested.
ResultsChinese version of the four-item scale about pruitus was detected in uremic patients, and cronbach α coefficient was 0.811, the correlation coefficient between each item and the total score was 0.690-0.923, the correlation coefficient within each item was 0.449-0.702. The retest was done in 20 patients one week later, the general correlation coefficient was 0.987 (P < 0.05) between two measurements. The total scores of the four-item scale about pruitus was positively correlated with VAS scores,r= 0.968, P < 0.05. KMO test value was 0.776, and the spherical Bartlett test χ2= 377.12,P < 0.05. The explained variance was 67.804% according to eigenvalues> 1 standard and extract a common factor.
ConclusionThe Chinese version of the four-item scale about pruitus has good reliability and validity, it can be used as an objective tool for evaluating pruitus in uremic patients.
Key words:
Pruitus; Reliability; Validity
Contributor Information
Min Xu
Xujuan Xu
Nursing College of Nantong University, Nantong 226001, China
Xinmei Wang
Wenfang Shi
Jun Zhang
