Fig 1.
In-clinic setup of the 4-meter ProtoKinetics ZenoTM Walkway Gait Analysis System and the Chirp sensor for testing concurrent validity of walking speed.
Obstacles were only used for obstacle crossing. Narrow walk pathway is used for narrow walking scenario only.
Fig 2.
Participant recruitment and enrollment flow diagram.
Table 1.
Demographic and other health characteristics of participants at baseline (n = 35).
Table 2.
Walking speed (meters/second) for the Protokinetics Zeno™ Walkway, Chirp sensor 126, and Chirp sensor 201.
Table 3.
Results of the inter-sensor reliability and test-retest reliability of the Chirp sensors.
Table 4.
Results of the concurrent validity of the Chirp sensors to the Protokinetics ZenoTM Walkway.
Table 5.
Linear regression analysis between walking speed measured by Chirp and MoCA and physical functioning using the SF-12.