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Observational survey of 159 Italian mental health workers links larger facility size to higher patient safety incident reportingDid you know larger mental health homes saw more safety incidents than smaller ones?

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Key Takeaway
Note that larger facility size correlates with higher incident reporting in this Italian mental health survey.

This multicenter, cross-sectional, survey-based observational study evaluated the frequency and characteristics of patient safety incidents (PSIs) among workers from 68 psychiatric mental health services across seven Italian provinces. The sample included 159 respondents comprising both healthcare and non-healthcare professionals. Data covered PSIs personally experienced (FHE) or reported by colleagues (CRE) over the previous 12 months. Comparisons were made between residential and non-residential facilities, as well as between healthcare and non-healthcare workers.

A total of 4,432 FHE and 4,807 CRE were reported. Behavior-related events were the most frequently reported incident type. Incidence rates were significantly higher in facilities with more than ten employees for both FHE and CRE. Residential facilities demonstrated a higher incidence rate of CRE compared to non-residential ones. Additionally, non-healthcare workers reported witnessing fewer incidents to colleagues (28%) compared to healthcare workers.

Safety analysis noted that PSIs included behavior-related events, organizational or infrastructure issues, and medication errors. No data on serious adverse events, discontinuations, or tolerability were reported. A significant variability in reporting was observed across different provinces. The study does not establish causality, and the hypothesis that primary risks are mainly driven by relational dynamics remains unproven. Practice relevance highlights the need for inclusive safety interventions and training focused on relational risk management, de-escalation, and empathic communication for all workers.

Imagine walking into a mental health home where staff and residents live together. A new survey asked 159 workers from 68 different homes across seven Italian provinces about safety problems they saw in the last year. They wanted to know if the size of the home or who worked there changed how often things went wrong. The answer was yes, and the numbers were surprising. In total, workers reported 4,432 incidents they saw personally and 4,807 they heard about from colleagues. Behavior-related events, like conflicts or agitation, were the most frequent type of problem. The study also found that homes with more than ten employees had significantly higher rates of these incidents compared to smaller ones. Additionally, residential facilities saw more incidents reported by colleagues than non-residential ones. Non-healthcare workers, like cleaners or cooks, reported witnessing fewer incidents to colleagues compared to healthcare workers, who only reported 28% fewer incidents. This suggests that everyone in the home matters for safety, not just the doctors and nurses.

What this means for you:
Larger mental health homes reported more safety incidents, especially behavior-related ones.

Study Details

Study typeCohort
EvidenceLevel 3
PublishedApr 2026
View Original Abstract ↓
IntroductionWhile patient safety in general hospitals is well-researched, residential mental health services have received less attention. Psychiatric patients and staff working in such facilities face unique and complex risks. This study aims to explore and describe the frequency and characteristics of patient safety incidents (PSIs) experienced by professionals working in a cohort of Italian mental health residential services.MethodsA multicenter, cross-sectional, questionnaire-based observational study was conducted involving workers from 68 psychiatric mental health services from seven different Italian provinces. A total of 159 respondents, including both healthcare and non-healthcare professionals, took part in the study. Participants reported incidents personally experienced (FHE) or reported by colleagues (CRE) over the previous 12 months, using a taxonomy adapted from the World Health Organization’s Conceptual Framework for the International Classification for Patient Safety. Data was analyzed using descriptive statistics and zero-inflated models to identify associations between respondent characteristics and reporting behaviors.ResultsA total of 4,432 FHE and 4,807 CRE were reported. The behavior-related events were the most frequently reported, followed by incidents related to organizational or infrastructure issues, and medication errors. Secondary analyses suggested that facilities with more than ten employees had significantly higher rates of both FHE and CRE. Furthermore, residential facilities showed a higher incidence rate of CRE compared to non-residential ones, and non-healthcare workers reported witnessing fewer incidents to colleagues (28%) compared to healthcare workers. Significant variability was also observed across different provinces.ConclusionResidential mental health services experience a high incidence of PSIs, suggesting a risk profile distinct from general hospital settings. The predominance of behavior-related incidents corroborates the hypothesis that primary risks are mainly driven by relational dynamics. The findings highlight that both healthcare and non-healthcare staff are exposed to significant risks, suggesting the need of inclusive and comprehensive safety interventions. Consequently, specific training programs focused on relational risk management, de-escalation, and empathic communication are essential for all workers employed in these settings.
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