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Table 1 Detailed characterisation of the categories and examples of tweets that fall into these categories

From: Analysis of the hikikomori phenomenon – an international infodemiology study of Twitter data in Portuguese

CODE

DEFINITION

EXAMPLES OF TWEETS IN PORTUGUESE

TRANSLATION OF TWEETS IN ENGLISH

Concept information

Tweets that attempt to inform about what the hikikomori phenomenon is

“Você sabe o que é #hikikomori ? Hikikomori é um fenômeno social recente na história do Japão. As autoridades do país definiram que pessoas em reclusão social a mais de seis meses são portadores da doença.”

"Do you know what #hikikomori is? Hikikomori is a recent social phenomenon in Japanese history. The country's authorities have defined people in social withdrawal for more than six months as having the disease."

Online Support

Tweets offering online support to people with hikikomori

“Participe do grupo Hikikomori Brasil no Facebook. #Hikikomori #Otaku”

"Join the Hikikomori Brazil group on Facebook. #Hikikomori #Otaku"

Personal stories

Tweets about your day to day life as a hikikomori

“Por hoje é só a cadelinha aqui precisa dormir por que acorda cedo, vou tentar atualizar amanhã mas não prometo nada se não é só sábado mesmo. Obrigado por lerem meus dengo e Views em #HIKIKOMORI#”

"That's it for today, the little dog here needs to sleep because she wakes up early, I'll try to update tomorrow but I can't promise anything if it's not just Saturday. Thanks for reading my dengo and Views on #HIKIKOMORI#"

Curiosities

Tweets reporting curiosities about the phenomenon

“[…] lançou a música “#HIKIKOMORI”! O nome da música é um termo japonês que retrata pessoas que se isolam da sociedade evitando contato com as pessoas […]”

“#HIKIKOMORI: pessoa reclusa, isolada de todos e tudo. o JAPÃO sabia que tinha 541 mil deles entre 15 e 39 anos. uma pesquisa acaba de revelar que há 613 mil entre 40 e 64 anos. um caso especial são as “casas 8050”, pais de 80 + cuindando de reclusos de 50 + .”

"[…] has released the song "#HIKIKOMORI"! The name of the song is a Japanese term for people who isolate themselves from society by avoiding contact with people […]”

"#HIKIKOMORI: a reclusive person, isolated from everyone and everything. JAPAN knew that there were 541,000 of them between the ages of 15 and 39. a survey has just revealed that there are 613,000 between the ages of 40 and 64. a special case is the "8050 houses", 80 + parents looking after 50 + inmates."