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The Transition of Social Isolation and Related Psychological Factors in 2 Mild Lockdown Periods During the COVID-19 Pandemic in Japan: Longitudinal Survey Study.
Sugaya, Nagisa; Yamamoto, Tetsuya; Suzuki, Naho; Uchiumi, Chigusa.
  • Sugaya N; Unit of Public Health and Preventive Medicine, School of Medicine, Yokohama City University, Yokohama, Japan.
  • Yamamoto T; Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan.
  • Suzuki N; Graduate School of Sciences and Technology for Innovation, Tokushima University, Tokushima, Japan.
  • Uchiumi C; Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan.
JMIR Public Health Surveill ; 8(3): e32694, 2022 Mar 08.
Article in English | MEDLINE | ID: covidwho-1798992
ABSTRACT

BACKGROUND:

Lockdowns and stay-at-home orders announced internationally for COVID-19 have led to physical and social distancing, with reports of many individuals experiencing social isolation (SI) and loneliness. Although the emergency declaration in Japan was declared as a "mild" lockdown requested by the government without penalties for violations, the lockdown measures, including SI, had several influences on people's lives and mental health as in other countries. Furthermore, Japan declared a state of emergency multiple times; thus, it is necessary to examine the influence of the transition of SI caused by repeated emergency declarations and the deterioration of mental health associated with these changes.

OBJECTIVE:

This study longitudinally investigated the transition of SI and its related factors during the mild lockdown under 2 declared states of emergency in Japan and analyzed psychosocial characteristics by extracting clusters where people with specific transition patterns of SI predominated.

METHODS:

We collected data on 7893 inhabitants (3694 [46.8%] women, 49.6 [SD 13.7] years old) living in the 7 prefectures where the initial emergency declaration was applied. The investigations took place online in the final phase of the first and second states of emergency phase 1 (between May 11 and 12, 2020) and phase 2 (between February 24 and 28, 2021). Nonparametric Bayesian coclustering was used to visualize the exhaustive interaction structure between the transition pattern of SI and the psychosocial variables.

RESULTS:

There were no improvements in social networks and loneliness between the 2 phases, although psychological distress significantly improved and depression slightly decreased. Overall, 3868 (49%) of the 7893 participants remained socially isolated through phases 1 and 2, and 947 (12%) were socially isolated in phase 2, even though they were not socially isolated in phase 1. More participants experienced persistent SI in unmarried, childless, and low-household-income groups. The persistent-SI group had fewer cohabitants than other transition pattern groups. The nonparametric Bayesian coclustering results showed that most clusters, including participants without SI throughout phases 1 and 2, had healthy behaviors, more interactions, good relationships, and less loneliness and psychological stress. Furthermore, the cluster in which relationships deteriorated in phase 1 recovered in phase 2. Comparatively, the clusters with SI throughout phases 1 and 2 were divided into clusters with increased loneliness and psychological stress; clusters were close to participants' average scores in this study. The clusters with increased loneliness and psychological stress were notable for deteriorating relationships and less online interaction.

CONCLUSIONS:

This study revealed the actual state of transition of SI and related psychological, social, and behavioral factors under repeated declarations of a state of emergency. These results should help construct intervention methods that fit individual characteristics of people in SI during a pandemic.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pandemics / COVID-19 Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Adolescent / Female / Humans Country/Region as subject: Asia Language: English Journal: JMIR Public Health Surveill Year: 2022 Document Type: Article Affiliation country: 32694

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pandemics / COVID-19 Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Adolescent / Female / Humans Country/Region as subject: Asia Language: English Journal: JMIR Public Health Surveill Year: 2022 Document Type: Article Affiliation country: 32694