Theory- and evidence-based intervention to improve adherence to antiretroviral therapy among HIV-infected patients in the Netherlands: a pilot study

M de Bruin, H J Hospers, H W van den Borne, G Kok, J M Prins

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The objectives of this study were to describe and pilot-test a theory- and evidence-based intervention to improve adherence of HIV-infected patients with antiretroviral medication. Twenty-six treatment-experienced patients (>6 months on treatment) participated in a within-subject comparison design. Adherence was measured electronically with Medication Event Monitoring System (MEMS) caps for at least 5 months: 2 months before the intervention and 3 months during the intervention. MEMS data were used to measure the outcome of the intervention, but also served as feedback to participants during the intervention. Mean adherence during the month before intervention was compared to mean adherence during the third month of intervention. Data for the process evaluation were gathered through direct observation and semi-structured interviews. Adherence improved significantly during the intervention (Z = -2.1, p <0.05). Mean adherence (percentage of prescribed doses taken within correct time interval) before the intervention was 81.8% compared to 92.5% during the third month of the intervention. More than 65% of the nonadherent patients (
Original languageEnglish
Pages (from-to)384-94
Number of pages11
JournalAIDS Patient Care and STDs
Volume19
Issue number6
DOIs
Publication statusPublished - Jun 2005

Keywords

  • Adult
  • Age Factors
  • Antiretroviral Therapy, Highly Active
  • Attitude to Health
  • Evidence-Based Medicine
  • Female
  • HIV Infections
  • Humans
  • Intervention Studies
  • Male
  • Middle Aged
  • Monitoring, Physiologic
  • Netherlands
  • Patient Compliance
  • Pilot Projects
  • Probability
  • Sampling Studies
  • Severity of Illness Index
  • Sex Factors
  • Statistics, Nonparametric
  • Survival Rate
  • Treatment Outcome
  • Viral Load

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