Table 1.
Sample Socio-Demographics (n = 75).
Table 2.
Comparison of Pre- and Post-GPS Feasibility and Acceptability Survey Items.
Table 3.
GPS Feasibility and Acceptability Post Survey Items (n = 74).
Table 4.
Travel Diary Reported GPS Charging and Carrying (n = 75).
Table 5.
Number of days with GPS data per participant, by different time thresholds (n = 75).
Fig 1.
GPS tracks from a P18 GPS Sub-study participant.
Note: “High” means a high density of GPS points, whereas “low” means a low density of GPS points. GPS points located in participants’ home ZIP code were hidden to protect participant privacy.