Physical Activity Spatial-Temporal Analysis (PASTA)


During all PALMS Pilot studies, subjects were administered a Physical Activity Spatial-Temporal Analysis (PASTA) interview at each measurement visit. The PASTA stemmed from the PASA and was revised to place an emphasis on establishing the location and time where physical activity occurs. Like the PASA, the PASTA is a semi-structured interview and is used to identify/confirm device wear times, transportation mode, and behavior related to heart rate (e.g. stress, caffeine consumption) and activity. Participants are shown a map (Google Maps or GPS software map) containing all available data streams (i.e., heart rate, acceleration intensity, etc.) for each day. Participants are asked to recall their daily acitivities, starting with the most recent and working backwards in an attempt to identify and/or confirm the data (i.e., type of actiivty, device drop out, non-compliance).

These self-reported data were combined with the data collected by the devices in order to provide additional details on the contextual factors related to PAEE.