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Master of Public Health

Dyadic Validation of Relational Processes in Seroconcordant Mozambican Couples: Social Support, Physician Trust, and Stigma

AUTHORS

Frisby MB , Diemer MA , Sack DE , Audet CM , . AIDS and behavior. 2022 6 11; ().

ABSTRACT

Psychometric instruments can quantify how people living with HIV experience three key barriers to antiretroviral therapy (ART) and retention: partner support, trust in medical professionals, and internalized HIV-related stigma. However, two challenges arise when using these instruments to measure and interpret relational processes among Mozambican couples, especially those participating in a couples intervention. First, relational measures have almost exclusively been developed and normed with Western, middle-class, and/or White adults. Second, traditional measurement approaches neglect the relational processes between partners. Using dyadic modeling, this paper demonstrates metric and scalar invariance for instruments measuring partner support (CFI = 0.964, TLI = 0.965, RMSEA = 0.034, SRMR = 0.052), trust in medical professionals (CFI = 0.978, TLI = 0.980, RMSEA = 0.033, SRMR = 0.039), and internalized HIV-related stigma (CFI = 0.960, TLI = 0.961, RMSEA = 0.050, SRMR = 0.060) within the novel context of seroconcordant HIV+ couples in Zambézia province.

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