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Original Research February 27, 2020

Reducing Stigma Toward Psychiatry Among Medical Students: A Multicenter Controlled Trial

Doron Amsalem, MD; Doron Gothelf, MD; Alexandra Dorman, BA; Yaron Goren, MD; Oren Tene, MD; Assaf Shelef, MD; Itai Horowitz, MD; Liora Libman Dunsky, MD; Eldor Rogev, MD; Efrat Hirsh Klein, MD; Ehud Mekori-Domachevsky, MD; Tsvi Fischel, MD; Yechiel Levkovitz, MD; Andres Martin, MD, MPH; Raz Gross, MD, MPH

Prim Care Companion CNS Disord 2020;22(2):19m02527

Article Abstract

Objective: To examine the effect of a novel antistigma intervention curriculum (ASIC) in reducing stigma toward psychiatry among medical students.

Methods: Medical students from 8 hospitals in central Israel were divided into intervention (n = 57) and control (n = 163) arms. The students completed the 30-item Attitudes Toward Psychiatry (ATP-30) and the Attitudes Toward Mental Illness (AMI) scales at psychiatry rotation onset and conclusion. The ASIC was designed to target prejudices and stigma through direct informal encounters with people with serious mental illness (SMI) during periods of remission and recovery. Supervised small-group discussions followed those encounters to facilitate processing of thoughts and emotions that ensued and to discuss salient topics in psychiatry. The study was conducted between November 2017 and July 2018.

Results: Significant between-group differences were found at endpoint for attitudes toward psychiatry and psychiatric patients (P < .001). Although changing attitudes toward psychiatry as a career choice was not part of the ASIC, a significant between-group difference emerged by endpoint (P < .001).

Conclusions: Implementation of an ASIC that includes contact with individuals with lived SMI experience followed by supervised small-group discussions is effective in reducing stigma in medical students’ perceptions of people with mental illness and psychiatry. Further evaluation is warranted with regard to the long-term destigmatizing effects of an ASIC.

Trial Registration: ClinicalTrials.gov identifier: NCT03907696

Objective: To examine the effect of a novel antistigma intervention curriculum (ASIC) in reducing stigma toward psychiatry among medical students.

Methods: Medical students from 8 hospitals in central Israel were divided into intervention (n = 57) and control (n = 163) arms. The students completed the 30-item Attitudes Toward Psychiatry (ATP-30) and the Attitudes Toward Mental Illness (AMI) scales at psychiatry rotation onset and conclusion. The ASIC was designed to target prejudices and stigma through direct informal encounters with people with serious mental illness (SMI) during periods of remission and recovery. Supervised small-group discussions followed those encounters to facilitate processing of thoughts and emotions that ensued and to discuss salient topics in psychiatry. The study was conducted between November 2017 and July 2018.

Results: Significant between-group differences were found at endpoint for attitudes toward psychiatry and psychiatric patients (P < .001). Although changing attitudes toward psychiatry as a career choice was not part of the ASIC, a significant between-group difference emerged by endpoint (P < .001).

Conclusions: Implementation of an ASIC that includes contact with individuals with lived SMI experience followed by supervised small-group discussions is effective in reducing stigma in medical students’ perceptions of people with mental illness and psychiatry. Further evaluation is warranted with regard to the long-term destigmatizing effects of an ASIC.

Trial Registration: ClinicalTrials.gov identifier: NCT03907696

Prim Care Companion CNS Disord 2020;22(2):19m02527

To cite: Amsalem D, Gothelf D, Dorman A, et al. Reducing stigma toward psychiatry among medical students: a multicenter controlled trial. Prim Care Companion CNS Disord. 2020;22(2):19m02527.

To share: https://doi.org/10.4088/PCC.19m02527

aChild Psychiatry Division, Edmond and Lily Safra Children’s Hospital, Sheba Medical Center, Tel Hashomer, Israel

bSackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel

cSagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel

dGeha Mental Health Center, Petah Tikva, Israel

eTel Aviv Medical Center, Tel Aviv, Israel

fAbarbanel Mental Health Center, Bat Yam, Israel

gBeer-Ya’ akov-Ness-Ziona-Maban Mental Health Center, Israel

hPsychogeriatrics Department, Holocaust Survivor Hostel, Lev Hasharon Medical Health Center, Pardesiya, Israel

iTel Aviv Brüll Community Mental Health Center, Clalit Health Services, Tel Aviv, Israel

jShalvata Mental Health Center, Hod Hasharon, Israel

kChild Study Center, Yale School of Medicine, New Haven, Connecticut

lDivision of Psychiatry, Sheba Medical Center, Tel Hashomer, Israel

*Corresponding author: Doron Amsalem, MD, Child Psychiatry Division, Edmond and Lily Safra Children’s Hospital, Sheba Medical Center, 52621, Tel Hashomer, Israel ([email protected]).

Stigma refers to negative beliefs and stereotypes held toward a specific topic or group of people.1 Research2 has found that stigma toward psychiatry and psychiatric patients is common among physicians and medical students. Stigma toward people with mental illness among physicians contributes to poor medical treatment and outcomes, including earlier death in patients with psychiatric disorders such as schizophrenia.3-6

Stigma in physicians’ attitudes toward psychiatric patients has been reported as already present from the early stages of medical school.7,8 Studies7-14 looking at stigmatizing attitudes found that medical students tend to perceive people with mental illness as totally dependent and thus in need of living in hospitals or supervised settings rather than in the community. Medical students have also commonly reported a perception that psychiatric treatments are ineffective, of little utility, and administered mostly to control disruptive behaviors.8-13 They tend to view psychiatry as a non-evidence-based and unscientific medical discipline largely consisting of vague speculations.14

The psychiatry rotation during medical school is a core component of psychiatric training that can play an important role in shaping students’ attitudes toward psychiatry. However, findings from worldwide studies15-20 examining whether a psychiatric clerkship reduces students’ stigma toward psychiatry have been inconclusive. A systematic review21 of 26 studies on the impact of the psychiatry clerkship on attitudes toward psychiatry, including considering choosing a residency in psychiatry, found that 16 of the studies reported a positive change in attitudes at the end of the clerkship, while the remaining 10 reported no change. Research has suggested that a psychiatry rotation by itself is ineffective in reducing stigma toward people with serious mental illness (SMI) and psychiatry22 and that an active antistigma intervention curriculum (ASIC) is essential.23 Specifically, in a study by Thornicroft et al,22 live social contacts or first-person narratives were found to be the most effective methods for reducing stigma toward psychiatric care compared to factual data or video clips depicting individuals with SMI. Social contact between people with and without lived experience with mental illness can lead to the mitigation of negative stereotypical beliefs and attitudinal change, especially by reducing fear and enhancing empathy.24

The purpose of this multicenter controlled study was to examine the efficacy of an ASIC in reducing stigma in medical students’ attitudes toward psychiatric patients, psychiatric illnesses and treatments, and the psychiatric knowledge base in clinical practice.

METHODS

Design and Participants

This study used a controlled trial design and was conducted between November 2017 and July 2018 in 8 academic hospitals in central Israel (ClinicalTrials.gov identifier: NCT03907696). The study population consisted of medical students during their 6-week psychiatry clerkship. There were 16 groups of students (11 groups from a 4-year program and 5 groups from a 6-year program), yielding a total of 244 eligible students, of whom 220 (90.2%) consented to participate. Eighty of these students (36.4%) were Americans studying under the auspices of a special program at Tel Aviv University.

The intervention arm included 3 groups of students (n = 57) at a single general hospital, and the control arm comprised 13 groups of students (n = 163) from 6 psychiatric hospitals (n = 139) and 1 general hospital (n = 24). All students were informed that the purpose of the study was to explore their attitudes about people with mental illness and psychiatry in general at the beginning (baseline) and end (endpoint) of their rotation. The participants were assured that their responses would remain confidential and would not influence their rotation grade.

Procedure

The intervention and control groups received the same lecture and practical training components. Topics covered in the lectures included psychopathology, psychopharmacologic treatment, psychotherapy, and forensic psychiatry. Practical training included participation in inpatient rounds, visits to outpatient clinics and consultation-liaison services, and seminars consisting of patient interviews and discussions of clinical cases. All students were placed in a psychiatric ward under the supervision and responsibility of psychiatry residents and senior psychiatrists. Each ward was assigned 4 to 7 students. During the rotation, students assumed supervised clinical responsibility for at least 1 clinical case. Although all students were exposed to a variety of patients in different clinical scenarios, they mostly saw acutely ill inpatients.

clinical points
  • The combination of live social contacts and small-group discussions is effective in reducing stigma in medical students’ perceptions of people with mental illness and psychiatry.
  • A reduction in stigma toward people with mental illness produced an improvement in students’ attitudes toward psychiatry as a career choice.

Study Intervention

The ASIC component that was added to the intervention group was designed to target stigma toward psychiatric patients, psychiatric treatment, and the knowledge base of clinical practice in psychiatry. The first part of the intervention, aimed at reducing stigma toward people with SMI as defined by the National Institute of Mental Health,25 consisted of 2 forms of direct encounters with individuals with SMI in recovery or rehabilitation: (1) a 2-hour panel session with 3 people who shared their personal stories as consumers of mental health services followed by an open discussion with the students and (2) a visit to a rehabilitation center, which included direct contact with the consumers. The emphasis in both of those encounters was on exposing students to the competence and strengths of the individuals, rather than to the symptoms and signs of their underlying illnesses. The second part of the intervention, which was designed to target stigma toward psychiatric treatment and the knowledge base of clinical practice in psychiatry, included small-group discussions (20 minutes each) on the efficacy of different treatments, the clinical utility of admission to inpatient wards, evidence-based medicine in psychiatry, and the biological pathways underpinning psychiatric disorders.

The study was conducted after receiving Helsinki ethics committee approval for a multicenter study from the University of Tel Aviv Institutional Review Board. Because the ethics committee approval was contingent on personal information being de-identified, only aggregate, unpaired, pre- and postrotation data were used.

Study Evaluations

Participants completed 1 sociodemographic and 2 self-report questionnaires, the 30-item Attitudes Toward Psychiatry (ATP-30)26 and the Attitudes Toward Mental Illness (AMI),7 which were administrated through a secured online server (SurveyMonkey). The ATP-30 consists of 30 items and measures medical students’ attitudes toward 8 different attitudinal domains: (1) psychiatric patients, (2) psychiatric illness, (3) psychiatric treatment, (4) psychiatric institutions, (5) psychiatric knowledge base in clinical practice, (6) psychiatric education, (7) psychiatry as a career choice, and (8) psychiatrists. The AMI consists of 20 items and measures medical students’ attitudes toward mental illnesses and, more specifically, their causes, treatments, and impact on individuals and society. Each item in both questionnaires is rated on a 5-point Likert scale ranging from “strongly agree” to “strongly disagree.” Some items are negatively phrased to minimize the likelihood of social desirability bias, and higher composite scores indicate more favorable attitudes (less stigma) toward mental illness. Both the ATP-30 and AMI have been shown to have good psychometric properties and have been translated into many languages and used in numerous countries worldwide.7,26

Statistical Analysis

We used independent sample t tests to compare mean differences in ATP-30 and AMI total scores within and between groups at baseline and at endpoint, as well as for each subscale of the ATP. We next dichotomized the 5-point Likert scale into agreement and disagreement categories in line with previous research.15 The agreement category included “strongly agree” and “agree” responses, and the disagreement category included “strongly disagree,” “disagree,” and “neutral” (no opinion) responses. The change in proportion of agreement between baseline and endpoint was calculated separately for each item, with the difference defined as risk difference (RD). The McNemar test was used separately for the intervention and control groups to determine changes from baseline to endpoint. SPSS version 25.0 (IBM Corp, Armonk, New York) was used to conduct all statistical analyses, with the threshold for significance set at P < .05.

RESULTS

All 57 students in the intervention group completed the baseline survey, and 56 (98%) completed the endpoint survey. A total of 163 (87%) of 187 students in the control group completed the baseline survey, and 154 (94%) completed the endpoint survey. The groups were similar in their distributions by sex and age (Table 1) and by interactions with people with lived experience of mental illness.

Table 1

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The mean ATP-30 and AMI total scores at baseline and endpoint for the intervention and control groups are presented in Table 2. We found a significant difference for both the intervention (P = .009) and control (P = .039) groups on the ATP-30 total scores but only for the intervention group (P = .008) on the AMI total scores. Although no significant between-group differences were found at baseline, there was a marginally significant difference (P = .08) in the ATP-30 total scores and a significant difference (P = .03) in the AMI total scores between groups at endpoint. There were no significant differences in the ATP-30 and AMI scores between male and female mean total scores at baseline and endpoint for both the intervention and control groups (P > .27 for all).

Table 2

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We found no significant between-group differences at baseline for any of the ATP-30 or AMI subscales (Table 3). We did find by endpoint, as initially hypothesized, significant differences between groups on attitude toward psychiatric patients (P < .001), psychiatric illness (P < .001), psychiatric treatment (P = .018), and the psychiatric knowledge base in clinical practice (P = .001). Although changing attitudes toward psychiatry as a career choice and psychiatric teaching were not part of our intervention plan, we did find a significant between-group difference by endpoint (P < .001 and P = .005, respectively).

Table 3

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The intervention group showed an overall greater reduction in negative (stigmatized) attitudes. This reduction is evident in the positive RDs between the intervention and control groups for 26 of 30 items (87%) of the ATP-30 and 17 of 20 items (85%) of the AMI. Positive RDs indicate a greater reduction in negative views in the intervention group compared to the control group, with a mean RD of +9% (range, −5% to +27%) for the ATP-30 and +9% (range, −7% to +24%) for the AMI. Table 4 highlights select items of the 2 questionnaires, and all 50 items are included in the supplementary material.

Table 4

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The mean RD for stigma toward psychiatric patients was +11% (range, +5% to +22%) in favor of the intervention group. There was a statistically significant reduction in the proportion of students endorsing negative views for 8 of 12 items (67%) in the intervention group compared to 3 of 12 items (25%) in the control group. The mean RD for statements regarding the efficacy of psychiatric illness was +5% (range, −7% to +24%) in favor of the intervention group. There was a statistically significant reduction in the proportion of students endorsing negative views for 5 of 12 items (42%) in both the intervention and control groups.

The mean RD for statements regarding the efficacy of psychiatric treatment was +8% (range, −1% to +15%) in favor of the intervention group. We found a statistically significant reduction in the proportion of students endorsing negative views for all 5 items in the intervention group compared to 3 of 5 items (60%) in the control group. The mean RD for items related to attitude toward the psychiatric knowledge base of clinical practice in psychiatry was +11% (range, −5% to +27%) in favor of the intervention group. There was a statistically significant reduction in the proportion of students in the intervention group who endorsed negative views for 1 of 4 items (25%). Conversely, there was an increase in the proportion of students in the control group who endorsed negative views at endpoint for 3 of 4 items (75%).

Although changing attitudes toward psychiatry as a career choice was not part of our intervention plan, the mean RD was +12% (range, +7% to +16%) in favor of the intervention group. For example, the proportion of students agreeing with the statement “Psychiatry is not one of the most exciting medical specialties” (ATP item 21) decreased by 27% in the intervention group compared with 13% in the control group (RD of +14%), implying that the intervention group found psychiatry more attractive at endpoint than did the controls. Another example of changing attitudes is the reversed item (ATP item 4) “I would like to be a psychiatrist”: 43% of the students in the intervention group stated that they would like to be a psychiatrist at endpoint compared to only 17% in the control group. A similarly significant reduction in the proportion of students endorsing negative views was found for 4 of the 6 items (67%) in the “psychiatry as a career choice” category in both the intervention and control groups. The mean RD for statements regarding psychiatric teaching, psychiatric institutes, and psychiatrists was 8% (range, −1% to +22%), 4% (range, +0% to +8%), and 9% (range, +4% to +13%), respectively.

DISCUSSION

There are limited data on the efficacy of an ASIC in reducing negative (ie, stigmatized) views of medical students toward psychiatric patients, psychiatric illness and treatment, and the knowledge base of clinical practice in psychiatry. We chose those themes because they have been shown by various studies2-6 to be pivotal and recurrent. The ASIC included encounters with people having lived experience with SMI and small-group discussions on salient topics, such as psychiatric care, evidence-based medicine in psychiatry, and the neuroscientific underpinnings of clinical psychiatry. As we hypothesized, there was a greater reduction in the intervention group compared to the control group in the majority of items. Although changing attitudes toward psychiatry as a career choice and psychiatric teaching were not part of the ASIC, we found more positive changes in these 2 domains in the intervention group. Overall, the ASIC had a significant positive effect on the attitude of medical students toward psychiatry, as demonstrated by changes in the widely used ATP-30 and AMI total scores.

Only a few studies,27-29 to our knowledge, have examined the effect of an ASIC on attitudes of medical students toward psychiatry. One study27 that aimed to reduce stigma toward patients with schizophrenia and psychiatric treatment included intervention and control groups (consisting of 25 and 35 participants, respectively). The intervention consisted of live social contact with a patient with schizophrenia, viewing of the movie A Beautiful Mind, and a lecture on stigma. The authors27 observed a significant reduction in the proportion of students who endorsed negative statements, but only a minority of tested items reached such a reduction. In another study,28 medical students (n = 95) were presented with a 1-hour case study of an ambulatory patient with schizophrenia who receives community-based services: no significant reduction in stigma toward psychiatric patients and services ensued. A third study29 used the ATP-30 and AMI scales over 3 time points to examine the efficacy of 2 learning methods, didactic education (n = 29 participants) and problem-based learning (n = 41 participants), but not the efficacy of a structured ASIC, in reducing stigma toward psychiatry. Both learning methods yielded weak positive changes solely in AMI scores.29

Our study has several advantages over previous research on ASICs among medical students, including a relatively sizable sample and the use of a predesigned comprehensive ASIC that targets pivotal aspects of stigma. A major component of our ASIC was live social contact with patients, as recommended by Thornicroft et al.22 The only other study27 that examined the influence of social contact found no significant difference for most of the items, but we were able to demonstrate a significant reduction in the proportion of medical students who endorsed negative statements. A possible explanation for this discrepancy is that each live social contact in our study was followed by a small-group discussion that provided an environment that facilitated processing and generalization of the thoughts and emotions that had been evoked during the encounter. Stereotypical beliefs about people with SMI were contested in the open-group discussion by the emerging realization that those beliefs stem from anxiety and fear.26 Thus, it appears that small groups were essential in creating an environment that enabled students to express their fears and anxieties with regard to psychiatric patients.

Moreover, small-group discussions were beneficial not only in processing emotions, but also in changing attitudes toward psychiatric treatment by understanding gaps in knowledge and providing more comprehensive and informed details. For example, we challenged the common notion that psychiatric drugs “don’ t work” by presenting data from randomized control trials in psychiatry and by emphasizing the similarity in methodology to that used in treatment studies for general medical conditions. The efficacy of psychiatric treatments was highlighted by showing that effect sizes and numbers needed to treat, as computed in clinical trials in psychiatry, are mostly equivalent to those computed in corresponding trials in other areas of medicine.

Although it was not one of the direct aims of our ASIC, we found an improvement in students’ attitude toward psychiatry as a career choice. Recruitment into the field is a worldwide concern, and experiences during the psychiatry rotation play an important role in the choice of psychiatry as a career.30 Our findings are inconsistent with other studies29,31 that showed that psychiatry training has a limited impact on students’ attitudes and that those effects subside over time as students get closer to choosing their residency program. A review of the literature32,33 revealed that seeing patients recover and experiencing a positive contact with patients were among the strongest factors that can change a student’s perception or even career choice. Our ASIC included an encounter with people with SMI during recovery and remission and emphasized the potential for positive trajectories and outcomes. It is therefore plausible that improving attitudes toward psychiatry as a career choice requires components similar to those necessary for changing attitudes toward psychiatric patients and psychiatric treatment.

Limitations

Our study has several limitations. First, the intervention group consisted of students from a single hospital, and it is possible that hospital-specific factors had a direct effect on the study outcomes, independent of the ASIC. However, all participating hospitals are affiliated with 1 medical school and teaching in all those hospitals is overseen by a single curriculum committee, thus reducing the likelihood that such factors had a significant effect on the study outcomes. Second, due to IRB restrictions, we made no individual-level pairing of the study scores between baseline and endpoint. Third, generalization of our study’s findings might be limited to student populations with similar characteristics. However, approximately 25% of our study subjects were students from the United States attending medical school in Israel. Thus, it is very likely that our results could be applicable to US medical students as well. Fourth, students were not randomized, and group assignment (intervention and control) was determined by which hospital students were assigned to for the rotation. This factor could have generated selection bias, because students who share similar views and ideas related to stigma are more likely to cluster into groups. However, it is reasonable to assume that such bias was minimal, as student grouping is determined by a lottery prior to each rotation. Lastly, our study did not evaluate the long-term effects of our ASIC.

CONCLUSION

This study emphasizes the important effects of a predesigned ASIC during the psychiatry rotation of medical students. We found that a combination of live social contacts and small-group discussions is effective in reducing negative (stigmatized) perceptions of individuals with SMI, psychiatric illnesses and treatments, the psychiatric knowledge base of clinical practice in psychiatry, and psychiatry as a profession. Further investigation is required to determine the long-term efficacy of an ASIC.

Submitted: August 10, 2019; accepted December 3, 2019.

Published online: February 27, 2020.

Potential conflicts of interest: None.

Funding/support: None.

Previous presentation: The study was presented at the Annual Meeting of the American Psychiatric Association; May 18-22, 2019; San Francisco, California.

Acknowledgments: The authors would like to thank all the study participants.

Supplementary material: See accompanying pages.

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