| contextID |
User-EMA identifier, intended to link between EMA tables. However some EMAs are associated with more than one contextID. |
| userID |
User identifier; assigned gmail account |
| completed |
Generally indicates ("true" or "false") whether the EMA with contextID was completed, but does not always agree with data available from EMA_Response |
| time_stamp |
Date-time string (yyyy-MM-dd HH:mm:ss) for the EMA notification time, if 'completed' is 'false', or the completion time, if 'completed' is 'true' |
| timezone |
Name of the time stamp's time zone, dependent on the phone's localization settings |
| UTC_to_local_delta |
Time stamp offset in hours from GMT/UTC, taking into account daylight savings time |