From the Sensor Data Table, click on the icon below to view the participant's Phone Sensor Data Table:
The table lists samples in reverse chronological order, i.e. starting with the most recent. Due to the high sampling rate these tables can get large very quickly. Only the first 100 samples are displayed. To download the complete data file for the participant, click on the "Download CSV" link.
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| Data Type | Definition |
| ts | UTC timestamp of when sample was taken |
| timezone_offset | Difference in minutes from device time to UTC |
| dte_tme | The date and time the sample was taken in local time (according to the phone) |
| typ | |
| prx | Proximity (raw) Degree to which the front of the phone is close to object (detects presence of nearby objects to avoid unwanted touch events) - Currently only available on Android |
| acl | Acceleration Average acceleration in all three dimensions (root of the sum of their squares) |
| amb_lgt | Ambient Light Degree of ambient light surrounding the device - Currently only available on Android |
| lgt_cnt | Currently not available |
| lgt_max | Currently not available |
| lgt_min | Currently not available |
| lgt_avg | Currently not available |
| lckd | Locked Indicates whether device screen was locked 1 unlocked 2 locked - Deprecated due to changes in OS for both iOS and Android |
| scr_on | Screen On Indicates whether device screen was on - Deprecated due to changes in OS for both iOS and Android |
| app_vis | App Visible Indicates whether the app was in the foreground of the device - Deprecated due to changes in OS for both iOS and Android |
| smp_cnt | Sample Count Number of samples taken |
| stp_cnt | Step Count Number of steps taken during sample - Deprecated due to changes in OS for both iOS and Android |
| stp_det | Currently not available |
| humid | Currently not available |
| temp | Currently not available |
| air_prs | Currently not available |
| lin_acl | Defines how much there was movement of the device - Deprecated due to changes in OS for both iOS and Android |
| motion | Indicates the average amount of movement the device underwent - Deprecated due to changes in OS for both iOS and Android |
| mbl_cod | Mobile Code The Mobile Code of the participant |
| sbj_id, rsp_id | Subject ID, Respondent's ID The mEMA user ID of the participant |
| added | The date and time that the sample was upload |
| upload_ts | UTC timestamp of when sample was uploaded |