"Development And Testing the Predictability of An Instrument Based on T" by Siddharth Raich

Award Date

12-1-2024

Degree Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Public Health

First Committee Member

Manoj Sharma

Second Committee Member

Neeraj Bhandari

Third Committee Member

Christopher Johansen

Fourth Committee Member

Kavita Batra

Number of Pages

188

Abstract

HIV/AIDS continues to be a significant public health problem in the US and globally. In the US, it disproportionately affects people of color. In 2012, Pre-exposure Prophylaxis (PrEP) was approved by the FDA for HIV prevention. PrEP reduces the chances of acquiring HIV by 99% among people at high risk. However, PrEP uptake among people of color remains low. Therefore, this study aimed to develop and test the predictability of an instrument to describe the intent to initiate and sustain PrEP use among people of color. This research utilized an exploratory sequential mixed methods design based on the fourth-generation, multi-theory model (MTM) of health behavior change. The first phase of the research involved qualitative interviews with people of color and directed content analysis to develop an instrument based on MTM for PrEP uptake behavior (n=12). The second phase involved the establishment of face validity, content validity, and qualitative construct validity through two rounds of expert panel validation. The third phase of the research involved quantitative testing of construct validity using structural equation modeling and predictive validity through hierarchical multiple regression (n=225). The findings revealed that the constructs of behavioral confidence (β=0.439, p

Keywords

HIV prevention; Instrument; Multi-theory Model; People of color; Pre-exposure Prophylaxis

Disciplines

Public Health | Science and Mathematics Education

File Format

PDF

File Size

3500 KB

Degree Grantor

University of Nevada, Las Vegas

Language

English

Rights

IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/


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