HIV-positive people who use pillbox organizers to help adhere to their antiretroviral drug regimens could reduce the risk of progressing to AIDS, according to a study published in the October issue of the journal Clinical Infectious Diseases, Reuters Health reports.

For the study, David Bangsberg of San Francisco General Hospital and colleagues followed 245 HIV-positive people from 1996 to 2000. The researchers periodically tracked the participants' adherence to their antiretroviral regimens by conducting unannounced pill counts every three to six weeks. All study participants were taking a minimum of three different medications.

The researchers used three statistical models to compare adherence for individuals who chose to use pillbox organizers and…