Sequential Allocation Study of Music Duration

Anxiety, Patient Satisfaction, Music Exposure

Music, Anxiety,

The investigators are interested in studying the effects of varying lengths of musical exposure on patient anxiety and stress levels.

In prior studies, anxiety and musical exposure was investigated, but yielded results showing both a decrease in anxiety and increase in anxiety. As such, it is possible that there is a dose of musical exposure that would achieve optimal anti-anxiety effects, with decreasing efficacy when undershot or overshot. In previous studies, it has been demonstrated that specific selections of Mozart Sonata's, composed with specific rhythms and modes have helped improve patient anxiety through patient mechanisms. As such, this study will continue to use music described in Conrad's previous studies not only as a control mechanism for exposure, but also utilizing already established principals and groundwork. Once the subject is recruited, patient demographic data and baseline vital signs (including anxiety levels) will be recorded from the patient charts that have been filled out by the patient's provider. Anxiety assessment will be on a scale of 0-10 and the patient will simply be asked to rate their anxiety on that scale, with 0 being absolutely no anxiety and a 10 being the most anxious they have ever felt. In the exposure group, an investigator will come in with a stereo music player with external speakers that will have the musical pieces pre-loaded. The investigator will be in charge of setting up the music player and starting the music. The patients will then proceed with their predetermined listening time of music. Upon completion, vital signs (including anxiety levels) will once again be collected by the patient's providers and recorded by the investigator. The investigator will also ask a few questions that assess the patient's experience throughout the study and their experience with listening to and playing musical instruments. In the control group, an investigator will proceed with a predetermined time of no music. Participants and supporting staff would be asked not to play music in the room during the observed time. Upon completion, vital signs (including anxiety levels) will once again be collected by the patient's providers and recorded by the investigator. The investigator will also ask a few questions that assess the patient's experience throughout the study and their experience with listening to and playing musical instruments. This study will be performing an Up-Down sequential allocation study using Dixon's method to estimate the minimum dose, which provides a 50% chance of reducing anxiety. Specifically, the investigators will start at a musical exposure of 15 minutes for the first study participant. Upon collecting the first participant's anxiety score post-music exposure, the differences in pre-exposure and post-exposure anxiety scores will be calculated. The second study participant will have their exposure time stepped up or increased, by 5 minutes if the first study subject results in a failure, defined as either no change or an increase in their post-exposure anxiety. If there was a decrease in anxiety post-exposure, or a success, then the second subject will have their exposure time reduced by 5 minutes, or stepped down. From there, the third participant's exposure time will be adjusted based on the outcomes of the second participant. This method and pattern will be applied for all subsequent participants in order to find the lowest duration of music exposure to achieve an effective dose. The same Up-Down sequential allocation study method will be utilized for the control group. Specifically, the investigators will start with no-music exposure of 15 minutes for the first study participant. Upon collecting the first participant's anxiety score post-no-music exposure, the differences in pre-exposure and post-exposure anxiety scores will be calculated. The second study participant will have their exposure time stepped up or increased, by 5 minutes if the first study subject results in a failure, defined as either no change or an increase in their post-exposure anxiety. If there was a decrease in anxiety post-exposure, or a success, then the second subject will have their exposure time reduced by 5 minutes, or stepped down. From there, the third participant's exposure time will be adjusted based on the outcomes of the second participant. This method and pattern will be applied for all subsequent participants in order to find the lowest duration of music exposure to achieve an effective dose. The absolute minimal musical exposure time will be set at 1 minute and if the effective dose is achieved at 1 minute, the investigators will start each subsequent patient at 1 minute of musical exposure. After the first 5-minute exposure is achieved, from either success or failures, the time increments will be adjusted by increments of 1 minute instead of the previous 5. For example, a failure at 5 minutes will result in the subsequent patient to have an exposure time of 6 minutes, while a success at 5 minutes will result in the subsequent patient to have an exposure time of 4 minutes. The patients in the exposure arm will all listen to Mozart music played for them from a speaker that will be controlled by the investigator. The study will terminate once the investigators achieve 6 cross overs between up and down steps or if 30 participants have been recruited-whichever comes first. Statistical analysis and final ED50 determination will be done using methods described by Dixon and Massey.

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United States