key: cord-1018798-coyrvhit authors: Chang, Ye Rim; Kim, Kyoung Min; Kim, Hyo Joung; Kim, Dong Hun; Kim, Jeonsang; Noh, Dongsub; Ma, Dae Sung; Yun, Jeongseok; Yun, Jung-Ho; Lee, Seok Won; Choi, Seok Ho; Heo, Yoonjung; Chang, Sung Wook title: Impacts of Social Distancing During the COVID-19 Outbreaks in Korea: Level 1 Trauma Center Data of Domestic Incidents and Intentional Injury date: 2020-12-03 journal: Osong Public Health Res Perspect DOI: 10.24171/j.phrp.2020.11.6.02 sha: a6975f1e614ec5ac41760119dd3cb124e3ba16cc doc_id: 1018798 cord_uid: coyrvhit OBJECTIVES: As a protective measure to slow down the transmission of coronavirus disease 2019 in Korea, social distancing was implemented from February 29(th), 2020. This study aimed to evaluate the prevalence of domestic incidents and intentional injury during March 2020 when social distancing was in effect. METHODS: There were 12,638 patients who visited the Level 1 trauma center of Chungnam province with injuries from domestic incidents, familial discord, and intentional injury. The prevalence of injuries during March 2020 was compared with the average of the previous 5 years, and the average for every March between 2015 and 2019. RESULTS: The prevalence of domestic incidents in March 2020 was significantly higher than the 5-year average, and the average for every March from 2015 to 2019 (p < 0.001). Familial discord (p = 0.002) and intentional injury (p = 0.031) were more frequently observed in March 2020. Adolescents showed a markedly higher level of intentional injury in March 2020 than in both the 5-year average (p = 0.031), and average for every March over the previous 5 years (p = 0.037). CONCLUSION: The prevalence of domestic incidents and intentional injury were significantly higher during the period of social distancing in Korea. There is a need for social consensus, better policies, and psychological support services, especially if faced with a second or third wave of coronavirus disease. While the coronavirus disease 2019 (COVID- 19) continues to spread across the globe, Korea Centers for Disease Control and Prevention implemented a strict social distancing policy from February 29 th , 2020 as a primary protective measure. Schools were closed and the public was advised to stay at home and avoid social gatherings as part of a social distancing policy to slow down transmission of disease. There is increasing concern about the impact on people *Corresponding author: Sung Wook Chang of official stay-at-home directives, quarantines, and social isolation [1] . In recent pandemics, isolation and quarantine have precipitated depression and anxiety [2, 3] , while social distancing measures have caused stress, depression, irritability, insomnia, fear, confusion, anger, frustration, and boredom in confined people with altered daily routines, and livelihoods [1] . Social distancing measures may also exacerbate domestic violence. In Hubei province, China, domestic violence more than tripled during the lockdown in February from 47 in 2019, to 162 in 2020 [4] . However, few studies have examined the effect of social distancing measures on intentional injury. The purpose of this study was to evaluate the effect of social distancing on the prevalence of domestic incidents and intentional injury, including self-harm or injury by violence. The data of trauma patients who visited the Level 1 trauma center of Dankook University hospital from January 2015 to December 2019, and March 2020, were analyzed to evaluate changes in the prevalence of domestic incidents and intentional injury after social distancing measures were adopted in March 2020. The variables reviewed included basic demographics, the place of the incident, injury mechanism, injury severity score (ISS), familial discord, previous history of mental illness, and intention of the injury. Domestic incident was defined as an incident that took place at home or in its immediate surroundings. Intentional injury was categorized into self-harm and injury by violence. Suicidal behavior was included in the self-harm category, and injury by violence was defined as behavior with intention. Each domestic incident was reviewed by a psychiatrist and a psychologist to establish whether there was an intention to do harm. The prevalence of Patients visiting the trauma center in March every year as a ratio of the whole year ranged between 6.5% and 8.3% (Table 1) . The prevalence of domestic incidents increased significantly in March 2020 compared with the 5-year average (31.0% vs. 16 .1%, p < 0.001), and the average for every month of March (Table 2) . Familial discord was higher during the period of social distancing in March 2020 (2.2%) than the 5-year average (0.4%, Data are presented as n (%). ISS = injury severity score. Table 3 ). Public health emergencies requiring confinement, the restriction of normal routines, and reduced social and physical contact with others can cause a range of emotional responses and unhealthy behaviors [1, 5, 6] There is mounting concern about the psychological distress caused by the COVID-19 pandemic related to isolation and social distancing [7, 8] . There have been several reports regarding the effects of implied that isolation caused high levels of stress [10] . A recent systematic review showed consistent evidence linking social isolation and loneliness to deteriorating cardiovascular and mental health outcomes [11] . The findings from this study showed that the prevalence of domestic incidents and intentional injury was significantly higher in March 2020 than in the past 5 years. During the Severe Acute Respiratory Syndrome outbreak in Hong Kong, deaths by suicide increased [12] [13] [14] . Although the etiology for the increase in suicides during an epidemic is unknown, the psychological distress induced by an economic downturn, social discrimination, and barriers to mental health treatment are suggested as possible predictors [15, 16] . Previous studies have reported higher suicide rates in late spring and summer in the Northern hemisphere [15, 17] . In this current study, no seasonal variation or monthly variation was observed however, the prevalence of intentional injury and self-harm in March 2020 was not higher than the average for March over the past 5 years. However, the cohort was too small to power this study. Since there have been several reports that the seasonality of suicide in late spring and summer tends to diminish [17, 18] , the coincidence of COVID-19 and the seasonal effects needs further investigation. The increase in violence, especially domestic violence, is an important concern associated with the effects of social distancing [19] [20] [21] [22] . The psychological stress associated with the lockdown due to factors such as closure of schools, more interaction within the family, and isolation from social support may leave families vulnerable to intra-familial conflict and domestic violence [19, 21, 22] . Globally there has been a substantial increase in domestic violence in the wake of the COVID-19 pandemic and enforced confinement. Domestic violence increased in Brazil by 40-50%, 1 region of Spain recorded 20%, and Cyprus reported a 30% increase [21] . An Australian article also reported that domestic violence increased by 5% during the lockdown and a 40% drop in overall crime rate [21] . Reports of domestic violence in France have increased 30% since they initiated lockdown. Helpline calls increased 33% in Singapore and 25% in Argentina [23] . Alarming trends in US domestic violence have also been reported [23] . is ongoing [24] , school closure for a long period of time could have detrimental consequences [25] . For adolescents with mental health issues school routines are important coping mechanisms [4] , and school closures mean a lack of access to the resources that schools usually provide [26] . Evidence shows that violence and vulnerability increase in adolescents during long periods of school closures [22] including summer holidays [27] . An increased rate of child abuse, neglect, and exploitation have been reported during previous public health emergencies, such as the Ebola outbreak in West Africa in 2014 to 2016 [4] . During the COIVD-19 pandemic, stressors such as fear of infection, frustration, boredom, lack of in-person contact with classmates, friends, and teachers, lack of personal space at home, and financial issues in the family become problematic [6] as observed in this current study with increases in intentional injuries. Social distancing requires physical space between people but ideally it should include social solidarity. To mitigate the consequences of home confinement, the potential unintended adverse outcomes on mental health-related issues should be addressed and the government, community, teachers, parents, and healthcare professionals need to be aware of this [4, 5] . Adolescents who are more vulnerable may benefit from technology-enabled modalities such as open-access online resources [22] or online services to cope with mental health issues caused by domestic conflicts or tension with parents [4] . There are several limitations in this study. Firstly, the number In conclusion, the prevalence of domestic incidents and intentional injury increased significantly during March 2020 in the implemented period of social distancing in South Korea. Our findings warrant further study regarding the psychological impact of the COVID-19 pandemic and social distancing measures. 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