Robust Evaluation to Measure Improvements in Nonadherence From Low-cost Devices

The RxTimerCap is a pill bottle cap with a digital timer that shows the time elapsed since the medication was last taken. Patients randomized to receive the RxTimerCap will receive a one-time mailing with one device for each of the maintenance medications they were using at the time of identification for study eligibility; additionally, patients will receive an information card explaining the device's use which includes a telephone number at which they can get additional information.

The Take-N-Slide device is a patented strip with toggles for each day of the week which are meant to be slid after taking a medication. Each Take-N-Slide can be removed and reused for the next prescription bottle. Patients randomized to receive Take-N-Slide will receive a one-time mailing with one device for each of the maintenance medications they were using at the time of identification for study eligibility; additionally, patients will receive an information card explaining the device's use which includes a telephone number at which they can get additional information.

The standard pillbox is a plastic organization box with one compartment for every day of the week. Patients randomized to receive a pillbox will receive a one-time mailing with one device for each of the maintenance medications they were using at the time of identification for study eligibility; additionally, patients will receive an information card explaining the device's use which includes a telephone number at which they can get additional information.