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THE ROLE OF USING IT FEATURES IN NURSING HOME MDS SYSTEMSAN ANALYTICAL APPROACH OF MEDIATION AND MODERATION

Liu, Darren (2009) THE ROLE OF USING IT FEATURES IN NURSING HOME MDS SYSTEMSAN ANALYTICAL APPROACH OF MEDIATION AND MODERATION. Master's Thesis, University of Pittsburgh. (Unpublished)

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Abstract

Mediation analyses are common in the field of psychology or social science research. Mediators are variables that explain the mechanism of action forming the observed relationships between independent and dependent variables. The advantage of testing models is that it helps the researcher to construct the conceptual framework regarding the intercorrelation of variables of interest because pure relationships between independent and dependent variables are usually unlikely.This thesis was conducted to clarify whether the use of IT in MDS software would possibly influence the relationship between nurse staffing levels and quality of care in nursing homes. Literatures on the concepts of mediation and moderation effects were reviewed and analyses using STATA Sobel-Goodman tests were performed. Variables from three resources were used, including the use of IT in MDS software, three nurse staffing levels (RN, LPN, NA), and nursing home compare quality measures.Results of the Sobel-Goodman test indicated the indirect path for the use of IT was statistically significant in all cases of nurse staffing levels, and the tests of moderation effects showed the use of IT was a statistically significant moderator.Studies in this area can be further enhanced by taking into account more associated variables and by using extensive statistical mediation analysis. The public health importance for the present study is that it provides researchers with more information not only about the scientific evidences for exploring possible mediating variable effect from previous literatures but also about the statistical procedures for examining the statistical significance of an mediating effect.


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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Liu, Darrendal16@pitt.edu; pitt2004@gmail.comDAL16
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairYouk, Ada Oayouk@pitt.eduAYOUK
Committee MemberChang, Joycechangjh@upmc.edu
Committee MemberCastle, Nicholas Gcastlen@pitt.eduCASTLEN
Date: 29 January 2009
Date Type: Completion
Defense Date: 8 December 2008
Approval Date: 29 January 2009
Submission Date: 5 December 2008
Access Restriction: 5 year -- Restrict access to University of Pittsburgh for a period of 5 years.
Institution: University of Pittsburgh
Schools and Programs: Graduate School of Public Health > Biostatistics
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: mediation; moderation; nursing homes
Other ID: http://etd.library.pitt.edu/ETD/available/etd-12052008-012517/, etd-12052008-012517
Date Deposited: 10 Nov 2011 20:08
Last Modified: 15 Nov 2016 13:53
URI: http://d-scholarship.pitt.edu/id/eprint/10071

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