VAS: Visual Analogue Scale
Giordano, T. P.; Guzman, D.; Clark, R.; Charlebois, E. D.; Bangsberg, D. R. (2004). Measuring adherence to antiretroviral therapy in a diverse population using a visual analogue scale. HIV Clinical Trials, 5(2): 74-79.
Put a cross on a number line from 0-100%.
Please see attached for formatted version.
Reliability information was not available.
Criterion-related validity was assessed via comparison with unannounced pill counts.
View article on Google Scholar
Individuals may use this information for research or educational purposes only and may not use this information for commercial purposes. When using this instrument, please cite:
Giordano, T. P.; Guzman, D.; Clark, R.; Charlebois, E. D.; Bangsberg, D. R. (2004). Measuring adherence to antiretroviral therapy in a diverse population using a visual analogue scale. HIV Clinical Trials, 5(2): 74-79.
When presenting results using any survey information you obtained from the SABI, please acknowledge the University of North Carolina at Chapel Hill Center for AIDS Research (CFAR), an NIH funded program P30 AI50410.