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Reaktor
Mannerheimintie 2
00100, Helsinki Finland
tel: +358 9 4152 0200
www.reaktor.com
info@reaktor.com
Learnings from a ...
2
Company-wide Fitbit experiment
Fitbit Charge HR wristbands given to all willing Reaktorians in October 2015.
Goals:
•Inc...
3
Mostly positive feelings
Two out of three employees felt that the tracker
had a positive effect on their daily activity:...
4
Issues with hardware
Reasons to abandon the device:
•Too bulky
•Skin irritation
•Poor battery
Notable amount of the devi...
5
… and software
Syncing was a real problem in the beginning, as it
took very long and got interrupted often.
Also the use...
6
Conclusions (mixed feelings)
Many short-term benefits on health and well-being
- but will they last on the long term?
Se...
7
Peculiar data
Sudden drop of resting heart rate in March 2016.
This is the value that most users follow on a daily basis...
8
Algorithm
change?
REAKTOR
MARCH 2017
9
Who cares?
Changes in the algorithm may mislead users in the
exercise habits.
Other problems
•Long-term statistical anal...
10
I want to know how my data is being processed!
MyData 2017 Call for Proposals open:
http://mydata2017.org/programme/cal...
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Presentation at the Quantified Employee 2017 seminar, https://koulutus.ttl.fi/Default.aspx?tabid=692&language=en-US&id=4113

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Learnings from a company-wide Fitbit experiment

  1. 1. Reaktor Mannerheimintie 2 00100, Helsinki Finland tel: +358 9 4152 0200 www.reaktor.com info@reaktor.com Learnings from a company- wide Fitbit experiment Juuso Parkkinen (@ouzor) Data Scientist and AI Designer at Reaktor (@ReaktorNow) Quantified Employee 2017
  2. 2. 2 Company-wide Fitbit experiment Fitbit Charge HR wristbands given to all willing Reaktorians in October 2015. Goals: •Increase employee well-being •Learn about the devices and data •Learn about occupational healthcare sector in general REAKTOR MARCH 2017
  3. 3. 3 Mostly positive feelings Two out of three employees felt that the tracker had a positive effect on their daily activity: •Walking more, and using stairs instead of elevators •More exercise More than half felt that the tracker had a positive effect on their sleeping habits: •Going to bed early, avoiding coffee •Reading a book before going to sleep •Reducing alcohol consumption REAKTOR MARCH 2017
  4. 4. 4 Issues with hardware Reasons to abandon the device: •Too bulky •Skin irritation •Poor battery Notable amount of the devices also broke down! Fitbit Charge HR among the highest return rates in verkkokauppa.com (source: http:// www.tivi.fi/Kaikki_uutiset/verkkokauppa-com-ala-nyt-ainakaan-naita-osta-6602282) REAKTOR MARCH 2017
  5. 5. 5 … and software Syncing was a real problem in the beginning, as it took very long and got interrupted often. Also the user interface was not that good, but both UI and syncing improved over time. Step and floor counts were deemed unreliable by many. Biking totally messes up both! Heart rate values reasonably accurate during rest, but not so during exercise with elevated heart rate. REAKTOR MARCH 2017
  6. 6. 6 Conclusions (mixed feelings) Many short-term benefits on health and well-being - but will they last on the long term? Several issues cause people to abandon the device •syncing, breaking down •inaccurate measurements, bad UI Use cases not clear! Read more: https://www.reaktor.com/blog/what-did-we-learn-from-using-fitbits-for-a-year/ REAKTOR MARCH 2017
  7. 7. 7 Peculiar data Sudden drop of resting heart rate in March 2016. This is the value that most users follow on a daily basis! Reliable resting heart rate measurement and reporting might be very valuable. Unfortunately, Fitbit’s RHR algorithm is a complete black box. REAKTOR MARCH 2017
  8. 8. 8 Algorithm change? REAKTOR MARCH 2017
  9. 9. 9 Who cares? Changes in the algorithm may mislead users in the exercise habits. Other problems •Long-term statistical analysis •Using the data for other purposes, such as insurance REAKTOR MARCH 2017
  10. 10. 10 I want to know how my data is being processed! MyData 2017 Call for Proposals open: http://mydata2017.org/programme/call-for-proposals/ Track: Ethical Processing of MyData - Practical tools and solutions for transparency, accountability and fairness in processing of MyData REAKTOR MARCH 2017

Presentation at the Quantified Employee 2017 seminar, https://koulutus.ttl.fi/Default.aspx?tabid=692&language=en-US&id=4113

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