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Fitbit Heart Rate Intraday

Sensor parameters description for [FITBIT_HEARTRATE_INTRADAY]:

Key                              Description
[TABLE] Database table name or file path where the heart rate intraday data is stored. The configuration keys in Device Data Source Configuration control whether this parameter is interpreted as table or file.

The format of the column(s) containing the Fitbit sensor data can be JSON or PLAIN_TEXT. The data in JSON format is obtained directly from the Fitbit API. We support PLAIN_TEXT in case you already parsed your data and don’t have access to your participants’ Fitbit accounts anymore. If your data is in JSON format then summary and intraday data come packed together.

We provide examples of the input format that RAPIDS expects, note that both examples for JSON and PLAIN_TEXT are tabular and the actual format difference comes in the fitbit_data column (we truncate the JSON example for brevity).

Example of the structure of source data
device_id fitbit_data
a748ee1a-1d0b-4ae9-9074-279a2b6ba524 {“activities-heart”:[{“dateTime”:”2020-10-07”,”value”:{“customHeartRateZones”:[],”heartRateZones”:[{“caloriesOut”:1200.6102,”max”:88,”min”:31,”minutes”:1058,”name”:”Out of Range”},{“caloriesOut”:760.3020,”max”:120,”min”:86,”minutes”:366,”name”:”Fat Burn”},{“caloriesOut”:15.2048,”max”:146,”min”:120,”minutes”:2,”name”:”Cardio”},{“caloriesOut”:0,”max”:221,”min”:148,”minutes”:0,”name”:”Peak”}],”restingHeartRate”:72}}],”activities-heart-intraday”:{“dataset”:[{“time”:”00:00:00”,”value”:68},{“time”:”00:01:00”,”value”:67},{“time”:”00:02:00”,”value”:67},…],”datasetInterval”:1,”datasetType”:”minute”}}
a748ee1a-1d0b-4ae9-9074-279a2b6ba524 {“activities-heart”:[{“dateTime”:”2020-10-08”,”value”:{“customHeartRateZones”:[],”heartRateZones”:[{“caloriesOut”:1100.1120,”max”:89,”min”:30,”minutes”:921,”name”:”Out of Range”},{“caloriesOut”:660.0012,”max”:118,”min”:82,”minutes”:361,”name”:”Fat Burn”},{“caloriesOut”:23.7088,”max”:142,”min”:108,”minutes”:3,”name”:”Cardio”},{“caloriesOut”:0,”max”:221,”min”:148,”minutes”:0,”name”:”Peak”}],”restingHeartRate”:70}}],”activities-heart-intraday”:{“dataset”:[{“time”:”00:00:00”,”value”:77},{“time”:”00:01:00”,”value”:75},{“time”:”00:02:00”,”value”:73},…],”datasetInterval”:1,”datasetType”:”minute”}}
a748ee1a-1d0b-4ae9-9074-279a2b6ba524 {“activities-heart”:[{“dateTime”:”2020-10-09”,”value”:{“customHeartRateZones”:[],”heartRateZones”:[{“caloriesOut”:750.3615,”max”:77,”min”:30,”minutes”:851,”name”:”Out of Range”},{“caloriesOut”:734.1516,”max”:107,”min”:77,”minutes”:550,”name”:”Fat Burn”},{“caloriesOut”:131.8579,”max”:130,”min”:107,”minutes”:29,”name”:”Cardio”},{“caloriesOut”:0,”max”:220,”min”:130,”minutes”:0,”name”:”Peak”}],”restingHeartRate”:69}}],”activities-heart-intraday”:{“dataset”:[{“time”:”00:00:00”,”value”:90},{“time”:”00:01:00”,”value”:89},{“time”:”00:02:00”,”value”:88},…],”datasetInterval”:1,”datasetType”:”minute”}}
device_id local_date_time heartrate heartrate_zone
a748ee1a-1d0b-4ae9-9074-279a2b6ba524 2020-10-07 00:00:00 68 outofrange
a748ee1a-1d0b-4ae9-9074-279a2b6ba524 2020-10-07 00:01:00 67 outofrange
a748ee1a-1d0b-4ae9-9074-279a2b6ba524 2020-10-07 00:02:00 67 outofrange

RAPIDS provider

Available time segments

  • Available for all time segments

File Sequence

- data/raw/{pid}/fitbit_heartrate_intraday_raw.csv
- data/raw/{pid}/fitbit_heartrate_intraday_parsed.csv
- data/raw/{pid}/fitbit_heartrate_intraday_parsed_with_datetime.csv
- data/interim/{pid}/fitbit_heartrate_intraday_features/fitbit_heartrate_intraday_{language}_{provider_key}.csv
- data/processed/features/{pid}/fitbit_heartrate_intraday.csv

Parameters description for [FITBIT_HEARTRATE_INTRADAY][PROVIDERS][RAPIDS]:

Key                              Description
[COMPUTE] Set to True to extract FITBIT_HEARTRATE_INTRADAY features from the RAPIDS provider
[FEATURES] Features to be computed from heart rate intraday data, see table below

Features description for [FITBIT_HEARTRATE_INTRADAY][PROVIDERS][RAPIDS]:

Feature Units Description
maxhr beats/mins The maximum heart rate during a time segment.
minhr beats/mins The minimum heart rate during a time segment.
avghr beats/mins The average heart rate during a time segment.
medianhr beats/mins The median of heart rate during a time segment.
modehr beats/mins The mode of heart rate during a time segment.
stdhr beats/mins The standard deviation of heart rate during a time segment.
diffmaxmodehr beats/mins The difference between the maximum and mode heart rate during a time segment.
diffminmodehr beats/mins The difference between the mode and minimum heart rate during a time segment.
entropyhr nats Shannon’s entropy measurement based on heart rate during a time segment.
minutesonZONE minutes Number of minutes the user’s heart rate fell within each heartrate_zone during a time segment.

Assumptions/Observations

  1. There are four heart rate zones (ZONE): outofrange, fatburn, cardio, and peak. Please refer to Fitbit documentation for more information about the way they are computed.