Welcome to ACT24

The Activities Collected over Time over 24-hours (ACT24) instrument is a physical activity assessment tool made available by the National Cancer Institute for research purposes. ACT24 enables multiple automated self-administrated 24-hour recalls of physical activity and sedentary behavior.

This Researcher Site allows approved Researchers to manage their study by updating study details, viewing study progress, and downloading anaylsis files.

For first time users to get started:

Create a Researcher account if you do not already have one by selecting Create a Researcher Account