Analysis of risk behavior-related Tweets
・Tweets related to actions of high infection risk were extracted from all tweets written in Japanese on Twitter.
- Approximately 30 sentence patterns indicating an imminent action (up to the next day), current action, or recent action (up to the previous day) were used in the analysis.
- Risk-related activities subject to the analysis are as follows:
・Drinking session (飲み会 in Japanese)
・Karaoke (カラオケ in Japanese)
・Fitness center (ジム in Japanese)
・End-of-year Party, Christmas Party, New Year Party, Hatsumoude (“First shrine visit of the year”, Family reunion (Respectively 忘年会、クリスマスパーティ、新年会、初詣、帰省 in Japanese)
・Hanami (“Flower-viewing”), Barbecue (Respectively 花見、バーベキュー in Japanese)
As of March 6th, 2022
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of March 6th, 2022
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of March 6th, 2022
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of March 6th, 2022
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of March 6th, 2022
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
Comparison with the year 2021:Tweets related to Karaoke
・Comparison with last year by weekdays is shown below.
-e.g. January 17th, 2021 (Sun) and January 16th, 2022(Sun) are synced in the graph.
・The numbers began increasing since the 3-day weekend between February 11th and 13th.
Based on Twitter data provided by NTT DATA.
Comparison with the year 2021:Tweets related to drinking session
・Comparison with last year by weekdays is shown below.
・The numbers began increasing since the weekend of the week of February 14th.
Based on Twitter data provided by NTT DATA.
