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Fitbit Irregular Rhythm Notifications (IRN) Export Format

The Irregular Rhythm Notifications (IRN) export provides data regarding the participant's engagement with the Fitbit IRN feature and the alerts received. There are two different IRN endpoints:

  • IRN Profile
  • IRN Alerts List

The data in the Fitbit export is obtained through the Fitbit API. The available data will vary based on the device capabilities and the user's privacy settings. See the Fitbit "Irregular Rhythm Notifications" documentation for more information about using and interpreting Fitbit data.

In order for IRNs to be sent via the Fitbit API, participants must open up the Fitbit app and acknowledge them first.

 

IRN Profile Data Fields

 

IRN Alerts Data Fields

Sample CSV Exports

FitbitIrnProfile

FitbitIrnProfileKey,ParticipantID,ParticipantIdentifier,InsertedDate,Onboarded,Enrolled,LastUpdated
568c89b4a00cef11a1bbd4d853adda9e,568c89b4-a00c-ef11-a1bb-d4d853adda9e,23cbf66e-a00c-ef11-a1bb-d4d853adda9e,2024-09-24T15:22:36Z,True,True,2024-09-10T08:53:33.000

FitbitIrnAlertsList

FitbitIrnAlertKey,ParticipantID,ParticipantIdentifier,InsertedDate,AlertTime,DetectedTime,ServiceVersion,AlgoVersion,DeviceType
568c89b4a00cef11a1bbd4d853adda9e-1664399550,568c89b4-a00c-ef11-a1bb-d4d853adda9e,23cbf66e-a00c-ef11-a1bb-d4d853adda9e,2024-09-24T15:22:40Z,2022-09-28T17:12:30.000,2022-09-28T17:45:00.000,2.2,1.6,Sense

FitbitIrnAlertsList_Windows

FitbitIrnAlertKey,StartTime
568c89b4a00cef11a1bbd4d853adda9e-1664399550,2022-09-28T17:12:30.000

FitbitIrnAlertsList_Windows_BpmData

FitbitIrnAlertKey,StartTime,Time,Value
568c89b4a00cef11a1bbd4d853adda9e-1664399550,2022-09-28T17:12:30.000,2022-09-28T17:12:30.124,73

 

Sample JSON Exports

FitbitIrnProfile

{
    "FitbitIrnProfileKey": "568c89b4a00cef11a1bbd4d853adda9e",
    "ParticipantID": "568c89b4-a00c-ef11-a1bb-d4d853adda9e",
    "ParticipantIdentifier": "23cbf66e-a00c-ef11-a1bb-d4d853adda9e",
    "InsertedDate": "2024-09-24T15:22:36Z",
    "Onboarded": true,
    "Enrolled": true,
    "LastUpdated": "2024-09-10T08:53:33.000"
}

FitbitIrnAlertsList

{
    "FitbitIrnAlertKey": "568c89b4a00cef11a1bbd4d853adda9e-1664399550",
    "ParticipantID": "568c89b4-a00c-ef11-a1bb-d4d853adda9e",
    "ParticipantIdentifier": "23cbf66e-a00c-ef11-a1bb-d4d853adda9e",
    "InsertedDate": "2024-09-24T15:22:40Z",
    "AlertTime": "2022-09-28T17:12:30.000",
    "DetectedTime": "2022-09-28T17:45:00.000",
    "ServiceVersion": "2.2",
    "AlgoVersion": "1.6",
    "DeviceType": "Sense",
    "Windows": [
        {
            "StartTime": "2022-09-28T17:12:30.000",
            "BpmData": [
                {
                    "Time": "2022-09-28T17:12:30.124",
                    "Value": "73"
                }
            ]
        }
    ]
}