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Abstract
Among women with HIV infection, pregnancy is a time when maintenance of maternal health and reduction of vertical HIV transmission are primary concerns. Few studies have examined adherence to Antiretroviral Treatment (ART) during pregnancy and in the postpartum period when the demands of childcare may significantly interfere with women's self-care behaviors. This study examined ART use and adherence in HIV-infected pregnant and postpartum women participating in the Women and Infants Transmission Study (WITS-IV) in the US. Adherence was assessed through a self-report interview during the third trimester of pregnancy and six-month postpartum. Data were also collected on demographics, biomedical markers and health related symptoms. During the third trimester visit, 77% (309/399) of women completed the self-report adherence measure; 61% (188/309) reported complete adherence. Factors associated with non-adherence included advanced HIV disease status, higher HIV-RNA viral load, more health-related symptoms and alcohol and tobacco use. At six-month postpartum, 55% (220/399) completed the measure; 44% (97/220) of these women reported complete adherence. Factors associated with non-adherence during the postpartum period were ethnicity, more health-related symptoms and WITS clinical site. Results of multivariate analyses using Generalized Estimated Equation analyses across the two visits revealed that more health-related symptoms, higher HIV-RNA viral load, increased alcohol use and clinical site were independently associated with ART non-adherence. These analyses indicate that medication adherence is more likely during pregnancy than postpartum in HIV-infected women, perhaps provoked by motivation to reduce vertical transmission and/or intensive antepartum surveillance. Further investigation is warranted to clarify factors implicated in women's decision-making process regarding ART medication adherence.
Acknowledgements
Principal investigators, study coordinators, program officers and funding include: Clemente Diaz, Edna Pacheco-Acosta (University of Puerto Rico, San Juan, PR; U01 AI 034858); Ruth Tuomala, Ellen Cooper, Donna Mesthene (Boston/Worcester Site, Boston, MA; U01 DA 015054); Philip LaRussa, Alice Higgins (Columbia Presbyterian Hospital, New York, NY; U01 DA 015053); Sheldon Landesman, Herman Mendez, Ava Dennie (State University of New York, Brooklyn, NY; U01 HD 036117); Kenneth Rich, Delmyra Turpin (University of Illinois at Chicago, Chicago, IL; U01 AI 034841); William Shearer, Norma Cooper (Baylor College of Medicine, Houston, TX; U01 HD 041983); Joana Rosario (National Institute of Allergy and Infectious Diseases, Bethesda, MD); Kevin Ryan, (National Institute of Child Health and Human Development, Bethesda, MD); Vincent Smeriglio, Katherine Davenny (National Institute on Drug Abuse, Bethesda, MD); and Bruce Thompson (Clinical Trials & Surveys Corp., Baltimore, MD, N01 AI 085339). Scientific Leadership Core: Kenneth Rich (PI), Delmyra Turpin (Study Coordinator) (1 U01 AI 050274-01).
