Yes, Patterns connects with other health-related devices and applications (such as Fitbit, Strava, MyFitnessPal, etc.). In the profile section of Patterns, select “Connect Other Devices & Apps” to view the devices available for pairing. If you find the device you’re looking for, press “Connect” and follow the prompts to get set up.
Select data from these devices and applications will be viewable on Patterns. See the Apple Health section for specific answers regarding Apple Health.