ArticleSocial psychiatry and psychiatric epidemiology2025
Using difficulty in going out and social participation to assess for risk of hikikomori: nationally representative data from the European health interview survey.
Article in Social psychiatry and psychiatric epidemiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
purposeEpidemiologic studies of hikikomori, a form of prolonged social withdrawal, are limited. This study aimed to look for indicators in a European country of a problem first detected in Japan, estimating the prevalence of hikikomori risk and examining the relationship between hikikomori risk and sociodemographic factors, health status, and health services use.
methodsData from the European Health Interview Survey collected in 2019 were used, consisting of a nationally representative sample (unweighted N = 45,962; weighted N = 52,012,922.578) of persons aged 15-75 years and over in Italy. Difficulty in going out not due to medical illnesses/functional limitations or chronic illnesses was considered a proxy condition for hikikomori, i.e., hikikomori risk. Hikikomori risk was further differentiated based on difficulty in social participation.
resultsThe overall prevalence of hikikomori risk was 1.7% (95%CI: 1.6-1.9) corresponding to a weighted count of 866,743 persons. This was comprised of a 0.7% prevalence of hikikomori risk with no difficulty in social participation (95%CI: 0.6-0.8%; weighted n = 343,920), 0.9% prevalence of hikikomori with difficulty in social participation (95%CI: 0.8-1.0%; weighted n = 445,165) and 0.1% prevalence of hikikomori risk with no interest for social participation (95%CI: 0.1-0.2%; weighted n = 77,657). Low vitality and mental health index, low social support, high depressive symptoms, and difficulty accessing mental health services were significantly associated with hikikomori risk.
conclusionThe prevalence of individuals at risk for hikikomori is on par with many psychiatric disorders. Given the prevalence and functional impairment faced by individuals at risk for hikikomori, they represent a group worthy of the attention of public health experts and other stakeholders in the health arena and beyond.
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