%0 Journal Article %J HIV clinical trials %D 2008 %T Monitoring medication adherence by unannounced pill counts conducted by telephone: reliability and criterion-related validity. %A Kalichman, Seth C %A Amaral, Christina M %A Cherry, Chauncey %A Flanagan, Jody %A Pope, Howard %A Eaton, Lisa %A Kalichman, Moira O %A Cain, Demetria %A Detorio, Mervi %A Caliendo, Angela %A Schinazi, Raymond F %K Adult %K Anti-HIV Agents %K Female %K Health Care Surveys %K HIV Infections %K Humans %K Interviews as Topic %K Male %K Medication Adherence %K Middle Aged %K Viral Load %N 5 %P 298-308 %R 10.1086/528859 %V 9 %X Although demonstrated valid for monitoring medication adherence, unannounced pill counts conducted in patients' homes are costly and logistically challenging. Telephone-based unannounced pill counts offer a promising adaptation that resolves most of the limitations of home-based pill counting. Purpose: We tested the reliability and criterion-related validity of a telephone-based unannounced pill count assessment of antiretroviral adherence. %8 2008 Sep-Oct