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Scalable Precision Psychiatry With an Objective Measure of Psychological Stress: Prospective Real-World Study

Scalable Precision Psychiatry With an Objective Measure of Psychological Stress: Prospective Real-World Study

For example, if a user completed a total of 75 sessions and the first 15 were used to train the algorithm, then sessions 16-75 were used for testing. If a user completed a total of only 35 sessions and the first 10 were used to train the algorithm, then sessions 11-35 were used for testing. Increasing the training set size thus had an inverse impact on the testing set size. The sequentially decreasing size of the testing set gave rise to statistical limitations at the tail end of this process.

Helena Wang, Norman Farb, Bechara Saab

J Med Internet Res 2025;27:e56086

Using a Novel Connected Device for the Collection of Puffing Topography Data for the Vuse Solo Electronic Nicotine Delivery System in a Real-World Setting: Prospective Ambulatory Clinical Study

Using a Novel Connected Device for the Collection of Puffing Topography Data for the Vuse Solo Electronic Nicotine Delivery System in a Real-World Setting: Prospective Ambulatory Clinical Study

Restraining ENDS use to a specific period of time may not represent what a typical use session would look like for a specific user in terms of puffing characteristics, such as puff duration, the length of and time between discrete sessions of ENDS use, or the number of these discrete sessions during a prolonged period of use. To improve on these previous studies, other studies have focused on methods that allow for more spontaneous ENDS use in a natural environment.

Robert Underly, Gary M Dull, Evan Nudi, Timothy Pionk, Kristen Prevette, Jeffrey Smith

JMIR Form Res 2023;7:e49876