Many patients in mental health settings are likely to have histories of interpersonal traumatic experiences. Mental health providers are recommended to adopt trauma-informed care (TIC) to ensure sensitivity and responsiveness to the impact of trauma on patients. However, few studies have examined the effectiveness of a TIC training programme using standardized measures with follow-up assessments. The aim of the study was to evaluate the effects of a TIC training programme on attitudes towards TIC in mental health professionals. The study involved a pre–post design with 3-month follow-up assessments conducted between March and June 2018. In total, 65 mental health professionals from 29 psychiatric hospitals in Tokyo and its suburban prefectures participated in the study. Mental health professionals participated in a 1-day programme consisting of a 3.5-hour lecture and 1-hour group discussion. Development of favourable attitudes towards TIC was the primary outcome, as assessed by using the Attitude Related Trauma-Informed Care scale. The majority of participants were women (86%), and the mean age was 42.2 years. The mean score of the Attitude Related Trauma-Informed Care scale scores increased significantly from 5.1 during pre-training to 5.5 immediately after training (mean difference: 0.4; 95% confidence interval: 0.3–0.5) and 5.4 after 3 months (mean difference: 0.3; 95% confidence interval: 0.2–0.4). Furthermore, half of the participants claimed to have implemented TIC practice in daily clinical settings at the 3-month follow-up. These results suggested that this brief TIC training programme improved attitudes towards TIC practice significantly.
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