Dispositional optimism and the mechanisms by which it predicts slower disease progression in HIV: Proactive behavior, avoidant coping, and depression

Gail Ironson, Elizabeth Balbin, Rick Stuetzle, Mary Ann Fletcher, Conall O'Cleirigh, J. P. Laurenceau, Neil Schneiderman, George Solomon

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

The issue of whether optimism may prospectively protect against disease progression is one that has generated much interest, with mixed results in the literature. The purpose of this study was to determine whether dispositional optimism predicts slower disease progression in HIV. Two indicators of disease progression, CD4 counts and viral load, were assessed over 2 years in a diverse group (men, women, White, African American, Hispanic) of 177 people with HIV in the midrange of disease at entry to the study. Optimism predicted slower disease progression (less decrease in CD4 and less increase in viral load) controlling for baseline CD4 and viral load, antiretroviral treatment, gender, race, education, and drug use. Those low on optimism (25th percentile) lost CD4 cells at a rate 1.55 times faster than those high on optimism (75th percentile). Optimists had higher proactive behavior, less avoidant coping, and less depression: These variables mediated the linear optimism-disease progression relationship. Thus, optimists may reap health benefits partly through behavioral (proactive behavior), cognitive (avoidant coping), and affective (depression) pathways. Implications, limitations, and interpretations are discussed.

Original languageEnglish
Pages (from-to)86-97
Number of pages12
JournalInternational Journal of Behavioral Medicine
Volume12
Issue number2
DOIs
StatePublished - Jun 23 2005

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Psychological Adaptation
Disease Progression
HIV
Depression
Viral Load
Insurance Benefits
CD4 Lymphocyte Count
Hispanic Americans
African Americans
Optimism
Education
Pharmaceutical Preparations

Keywords

  • Coping
  • Depression
  • HIV disease progression
  • HIV/AIDS
  • Optimism
  • Proactive

ASJC Scopus subject areas

  • Psychology(all)
  • Clinical Psychology

Cite this

Dispositional optimism and the mechanisms by which it predicts slower disease progression in HIV : Proactive behavior, avoidant coping, and depression. / Ironson, Gail; Balbin, Elizabeth; Stuetzle, Rick; Fletcher, Mary Ann; O'Cleirigh, Conall; Laurenceau, J. P.; Schneiderman, Neil; Solomon, George.

In: International Journal of Behavioral Medicine, Vol. 12, No. 2, 23.06.2005, p. 86-97.

Research output: Contribution to journalArticle

Ironson, Gail ; Balbin, Elizabeth ; Stuetzle, Rick ; Fletcher, Mary Ann ; O'Cleirigh, Conall ; Laurenceau, J. P. ; Schneiderman, Neil ; Solomon, George. / Dispositional optimism and the mechanisms by which it predicts slower disease progression in HIV : Proactive behavior, avoidant coping, and depression. In: International Journal of Behavioral Medicine. 2005 ; Vol. 12, No. 2. pp. 86-97.
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