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, End-of-year Party, Christmas Party, New Year Party (Respectively 飲み会、忘年会、クリスマスパーティ、新年会 in Japanese)
・Karaoke (カラオケ in Japanese)
・Fitness center (ジム in Japanese)
・Hanami (“Flower-viewing”), Barbecue (Respectively 花見、バーベキュー in Japanese)
As of December 29th, 2021
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of December 29th, 2021
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of December 29th, 2021
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of December 29th, 2021
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
As of December 29th, 2021
※ Blue sections indicate time periods of a state of emergency.
Based on Twitter data provided by NTT DATA.
Effects of News on the Omicron Variant: Tweets related to Karaoke
・Tweets related to Karaoke increased temporarily along Christmas, followed by a decrease with the following week being a normal workweek.
・Tweets are once again in an increase as new year vacation started on December 28th.
Based on Twitter data provided by NTT DATA.
Effects of News on the Omicron Variant: Tweets related to drinking session
・Tweets were in an increase until December 17th (Fri), but turned to a decrease on the 18th (Sat).
・Large decrease in tweets were seen on 24th (Fri) and 25th (Sat) due to Christmas.
・Tweets increased the following week from 27th (Mon) to 29th (Wed). This pattern is similar to that of last year.
・The effects of news on the Omicron variant seem to have been temporary.
Based on Twitter data provided by NTT DATA.
Effects of News on the Omicron Variant: Tweets related to End-of-year Party
・Tweets increased rapidly during December 26th (Sun) and 29th (Wed).
・The number of tweets showed a standstill during 27th and 30th last year, but this year saw a continued increase in numbers.
・The slowing of increase rate on 18th (Sat) seems to have been temporary.
Based on Twitter data provided by NTT DATA.
