Instrument details

Instrument Title

VAS: Visual Analogue Scale - Hong

View PDF - VAS_Hong.pdf

Source Article

Hong, S. Y.; Jerger, L.; Jonas, A.; Badi, A.; Cohen, S.; Nachega, J. B.; Parienti, J. J.; Tang, A. M.; Wanke, C.; Terrin, N.; Pereko, D.; Blom, A.; Trotter, A. B.; Jordan, M. R. (2013). Medication possession ratio associated with short-term virologic response in individuals initiating antiretroviral therapy in Namibia. PLOS One, 8(2): e56307.

Response Options

A number line from 0-100%

Survey Items

Mark an ‘‘X’’ on a continuous scale describing patient’s level of adherence to all their antiretroviral (ARV) medications prescribed over the previous 30 days on a scale of 0% to 100%.

Internal Reliability

Reliability information was not available.

Validity

Convergent validity was assessed via comparison with 5-choice Likert item and self-reported treatment interruptions. Criterion-validity was assessed via comparison with viral load.

Google Scholar

View article on Google Scholar

Terms Of Use

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:

Hong, S. Y.; Jerger, L.; Jonas, A.; Badi, A.; Cohen, S.; Nachega, J. B.; Parienti, J. J.; Tang, A. M.; Wanke, C.; Terrin, N.; Pereko, D.; Blom, A.; Trotter, A. B.; Jordan, M. R. (2013). Medication possession ratio associated with short-term virologic response in individuals initiating antiretroviral therapy in Namibia. PLOS One, 8(2): e56307.

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.