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Data were collected in April 2017 and January 2019. Fisher\u2019s exact test were used to compare the difference in workplace violence prevalence between responses to two surveys. Survey 1 (S1) collected data from 345 healthcare professionals who had worked in the inpatient ward for at least 12\u2009months. Survey 2 (S2) included 338 healthcare workers from the same ward who had been employed for more than two years. The effective response rates for the two studies was 79.31 and 83.25%, respectively. All 18 female security guards were included in the investigation in S2.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The prevalence of psychological violence was 62.03% in S1 and 34.62% in S2, the difference in prevalence showing statistical significance (<jats:italic>P<\/jats:italic>\u2009=\u20090.000), while the prevalence of physical violence was 3.77 and 4.73% respectively, showing no statistical significance (<jats:italic>P<\/jats:italic>\u2009=\u20090.573). The change in the rate of injury caused by physical violence was also statistically significant at 76.92 and 31.25% (<jats:italic>P<\/jats:italic>\u2009=\u20090.025), respectively. Security guards were at high risk of workplace violence under the policy. Most healthcare professionals thought this policy ameliorated treatment order, the sense of security, anxiety about workplace violence, and so forth, but one-third of the respondents thought that it caused patient dissatisfaction.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>While the restricted access policy may be effective for healthcare professionals in avoiding or dealing with violence, such policy could contribute to new problems regarding the safety of security guards and the potential dissatisfaction of patients. The policy should be further developed to alleviate this phenomenon.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12913-020-05757-7","type":"journal-article","created":{"date-parts":[[2020,10,12]],"date-time":"2020-10-12T11:02:44Z","timestamp":1602500564000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["What is the impact of restricted access policy on workplace violence in general hospital? 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There is no administrative permission required to access and use the data\/records described in this study. The surveys in this study have not been published elsewhere previously. All the respondents provided written informed consent; the consent form described the purpose and method of data collection and ensured that the data would be kept confidential.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declared that there is no conflict of interest.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"936"}}