60,000 disaster victims speak: Part II. Summary and implications of the disaster mental health research

An overview of 9/11 experiences and respiratory and mental health conditions among World Trade Center Health Registry enrollees

To date, health effects of exposure to the September 11, 2001 disaster in New York City have been studied in specific groups, but no studies have estimated its impact across the different exposed populations. This report provides an overview of the World Trade Center Health Registry (WTCHR) enrollees, their exposures, and their respiratory and mental health outcomes 2-3 years post-9/11. Results are extrapolated to the estimated universe of people eligible to enroll in the WTCHR to determine magnitude of impact. Building occupants, persons on the street or in transit in lower Manhattan on 9/11, local residents, rescue and recovery workers/volunteers, and area school children and staff were interviewed and enrolled in the WTCHR between September 2003 and November 2004. A total of 71,437 people enrolled in the WTCHR, for 17.4% coverage of the estimated eligible exposed population (nearly 410,000); 30% were recruited from lists, and 70% were self-identified. Many reported being in the dust cloud from the collapsing WTC Towers (51%), witnessing traumatic events (70%), or sustaining an injury (13%). After 9/11, 67% of adult enrollees reported new or worsening respiratory symptoms, 3% reported newly diagnosed asthma, 16% screened positive for probable posttraumatic stress disorder (PTSD), and 8% for serious psychological distress (SPD). Newly diagnosed asthma was most common among rescue and recovery workers who worked on the debris pile (4.1%). PTSD was higher among those who reported Hispanic ethnicity (30%), household income < $25,000 (31%), or being injured (35%). Using previously published estimates of the total number of exposed people per WTCHR eligibility criteria, we estimate between 3,800 and 12,600 adults experienced newly diagnosed asthma and 34,600-70,200 adults experienced PTSD following the attacks, suggesting extensive adverse health impacts beyond the immediate deaths and injuries from the acute event.

Roadmap for the protection of disaster research participants: findings from the World Trade Center Evacuation Study

INTRODUCTION

This report addresses the development, implementation, and evaluation of a protocol designed to protect participants from inadvertent emotional harm or further emotional trauma due to their participation in the World Trade Center Evacuation (WTCE) Study research project. This project was designed to identify the individual, organizational, and structural (environmental) factors associated with evacuation from the World Trade Center Towers 1 and 2 on 11 September 2001.

METHODS

Following published recommended practices for protecting potentially vulnerable disaster research participants, protective strategies and quality assurance processes were implemented and evaluated, including an assessment of the impact of participation on study subjects enrolled in the qualitative phase of the WTCE Study.

RESULTS

The implementation of a protocol designed to protect disaster study participants from further emotional trauma was feasible and effective in minimizing risk and monitoring for psychological injury associated with study participation.

CONCLUSIONS

Details about this successful strategy provide a roadmap that can be applied in other post-disaster research investigations.

Use of mental health services among disaster survivors

PURPOSE OF REVIEW

A sizable proportion of individuals following a disaster develop mental health problems. The consequences of these disorders can be long lasting. Only recently has research focused on mental health service delivery following disasters. This review examines the rates, predictors, and barriers to mental health service utilization following a disaster.

RECENT FINDINGS

Most of the data on mental health service delivery come from three sources: a fireworks disaster in The Netherlands, the September 11, 2001, attack on New York City, and hurricane Katrina. Most survivors of disasters are reluctant to utilize mental health services and face barriers to accessing care. Even among disaster victims who are severely mentally ill, only a minority receive treatment. Among those who do receive assistance, more than half drop out shortly thereafter. Mental health service utilization following a disaster is influenced by a set of predisposing characteristics, enabling resources, and perceived need. The model for mental healthcare delivery following a disaster that has gained acceptance is Psychological First Aid.

SUMMARY

Research is evolving on mental health service utilization. It is limited however to developed countries, although most disasters occur in developing countries. More research is needed, particularly among populations with scarce resources.

Trained volunteer-delivered mental health support to those bereaved by Asian tsunami--an evaluation

INTRODUCTION

While mental health consequences following the Asian December 2004 tsunami have been studied, its impact on the survivors who lost close family members deserves attention. We investigated the usefulness of trained volunteer-delivered mental health support for the bereaved persons.

METHOD

Non-randomized control design involving all adults aged 18 years or above who lost at least one close family member during tsunami from two geographically different coastal areas in Chennai, India. From the intervention and control sites, 45 and 57 participants were recruited respectively for the study. One year after baseline assessment, all 102 participants in intervention and control sites were interviewed.

RESULTS

Participants receiving interventions on a consistent basis from trained volunteers were less likely to report depressive symptoms and general psychological distress compared with participants who did not receive the above intervention. Regression analysis for predicting the effect of intervention on the difference between the baseline and follow-up in BDI as well as GHQ scores, found a significant association between intervention and the improvement in BDI (adjusted beta (SE): -0.53 (2.44); p = 0.000) and GHQ (adjusted beta (SE): -0.52 (1.81); p = 0.001) scores. Suicidal attempts were also significantly less in the intervention group (FET p = 0.02).

CONCLUSION

In settings where mental health professionals are limited in number, trained lay volunteers can offer empathetic listening, support and referrals that can be potentially beneficial.

Prevalence of and sex disparities in posttraumatic stress disorder in an internally displaced Sri Lankan population 6 months after the 2004 Tsunami

BACKGROUND

When the 2004 Indian Ocean tsunami suddenly hit unsuspecting coastal populations in Sri Lanka, it inflicted unprecedented devastation including 35,000 deaths and 500,000 people displaced. Evaluating the psychological impact of this natural disaster provides valuable insights into planning interventions and disaster preparedness.

METHODS

A cross-sectional survey was conducted among 264 adult males and females > or =16 years old living in temporary shelters housing tsunami survivors at 6 months. Interviewer-administered structured interviews were conducted to measure posttraumatic stress disorder (PTSD) and its risk factors.

RESULTS

The participation rate was 97%. Of the subjects, 56% met criteria for symptoms of PTSD, with females at 64% and males at 42%. Females had at least twice the risk of experiencing PTSD (odds ratio [OR] 2.27, 95% confidence interval [CI] 1.37-3.76). This sex difference persisted after adjusting for age, marital status, being a parent, loss of family members, amount of social support, education level, and level of depression (OR 2.14, 95% CI 1.21-3.80). Depression was significantly associated with PTSD (OR 7.19, 95% CI 3.83-13.52).

CONCLUSIONS

In this directly affected population, a majority met criteria for PTSD, indicating a significant long-term public health burden. The findings also confirm that females are at much higher risk for PTSD than males, suggesting that special mental health efforts should be targeted at women exposed to trauma.

Sequestering of Suffering

This article is a critical discourse analysis of the local print-news media coverage of the recovery process in two rural communities following a devastating forest fire. Two hundred and fifty fire-related articles from the North Thompson Star Journal (2003) were analyzed. Results revealed a neoliberal discursive framing of recovery, emphasizing the economic-material aspects of the process and a reliance on experts. A sequestering of suffering discourse promoted psychological functionalism and focused attention on a return to normalcy through the compartmentalization of distress. The dominant ' voice' was male, authoritative, and institutionalized. Implications for disaster recovery and potential health consequences are discussed.

PTSD: therapeutic interventions post-Katrina

August 29, 2006, brought the largest, most deadly hurricane ever to strike the Gulf Coast. According to reports, the storm killed more than 2000 people and destroyed billions of dollars of property, with winds clocked at 160 to 175 mph. More than a million residents were displaced, many requiring care for chronic conditions who suddenly also needed care for acute stress symptoms. Today, many individuals still struggle to cope with major psychiatric posttraumatic stress disorders (PTSD). Using a case study approach, this article discusses PTSD, including what it is, how it is manifested, how to diagnose it, patient education, and how it can be managed with therapeutic interventions. Special circumstances related to children are briefly presented.

Community resilience as a metaphor, theory, set of capacities, and strategy for disaster readiness

Communities have the potential to function effectively and adapt successfully in the aftermath of disasters. Drawing upon literatures in several disciplines, we present a theory of resilience that encompasses contemporary understandings of stress, adaptation, wellness, and resource dynamics. Community resilience is a process linking a network of adaptive capacities (resources with dynamic attributes) to adaptation after a disturbance or adversity. Community adaptation is manifest in population wellness, defined as high and non-disparate levels of mental and behavioral health, functioning, and quality of life. Community resilience emerges from four primary sets of adaptive capacities--Economic Development, Social Capital, Information and Communication, and Community Competence--that together provide a strategy for disaster readiness. To build collective resilience, communities must reduce risk and resource inequities, engage local people in mitigation, create organizational linkages, boost and protect social supports, and plan for not having a plan, which requires flexibility, decision-making skills, and trusted sources of information that function in the face of unknowns.

International terrorism and mental health: recent research and future directions

International terrorism has become a major global concern. Several studies conducted in North America and Europe in the aftermath of terrorist attacks reveal that international terrorism represents a significant short-term and long-term threat to mental health. In the present article, the authors clarify the concept and categories of terrorism and then present central findings from studies conducted in the United States and Europe, which mainly focus on negative impacts on mental health, such as emotional stress and PTSD. Furthermore, the authors outline experiments that focus on social interaction processes thought to be triggered by international terrorism and which are assumed to be related indirectly to mental health processes. Next, they highlight the potential positive outcomes on the resilience side, in line with the current theory on posttraumatic growth in adversity. Finally, theoretical and practical implications as well as limitations and future directions are discussed.

Temporal and spatial changes in social vulnerability to natural hazards

During the past four decades (1960-2000), the United States experienced major transformations in population size, development patterns, economic conditions, and social characteristics. These social, economic, and built-environment changes altered the American hazardscape in profound ways, with more people living in high-hazard areas than ever before. To improve emergency management, it is important to recognize the variability in the vulnerable populations exposed to hazards and to develop place-based emergency plans accordingly. The concept of social vulnerability identifies sensitive populations that may be less likely to respond to, cope with, and recover from a natural disaster. Social vulnerability is complex and dynamic, changing over space and through time. This paper presents empirical evidence on the spatial and temporal patterns in social vulnerability in the United States from 1960 to the present. Using counties as our study unit, we found that those components that consistently increased social vulnerability for all time periods were density (urban), race/ethnicity, and socioeconomic status. The spatial patterning of social vulnerability, although initially concentrated in certain geographic regions, has become more dispersed over time. The national trend shows a steady reduction in social vulnerability, but there is considerable regional variability, with many counties increasing in social vulnerability during the past five decades.

Temporal and spatial changes in social vulnerability to natural hazards

During the past four decades (1960-2000), the United States experienced major transformations in population size, development patterns, economic conditions, and social characteristics. These social, economic, and built-environment changes altered the American hazardscape in profound ways, with more people living in high-hazard areas than ever before. To improve emergency management, it is important to recognize the variability in the vulnerable populations exposed to hazards and to develop place-based emergency plans accordingly. The concept of social vulnerability identifies sensitive populations that may be less likely to respond to, cope with, and recover from a natural disaster. Social vulnerability is complex and dynamic, changing over space and through time. This paper presents empirical evidence on the spatial and temporal patterns in social vulnerability in the United States from 1960 to the present. Using counties as our study unit, we found that those components that consistently increased social vulnerability for all time periods were density (urban), race/ethnicity, and socioeconomic status. The spatial patterning of social vulnerability, although initially concentrated in certain geographic regions, has become more dispersed over time. The national trend shows a steady reduction in social vulnerability, but there is considerable regional variability, with many counties increasing in social vulnerability during the past five decades.

Symptoms and coping in Sri Lanka 20-21 months after the 2004 tsunami

BACKGROUND

The estimated prevalence of clinically significant psychiatric and somatic symptoms in adults >1 year after the 2004 Asian tsunami is unknown.

AIMS

To estimate the prevalence of psychiatric and somatic symptoms and impairment in Sri Lanka 20-21 months after the 2004 Asian tsunami, and to assess coping strategies used by tsunami-affected individuals that contribute to post-tsunami adjustment.

METHOD

Homes from one severely affected area were randomly selected, and adult respondents were sampled utilising a modified Kish method. Instruments were administered in Sinhala to assess exposure, post-traumatic stress disorder (PTSD), depression, anxiety, somatic distress and impairment. Demographic variables and culturally-relevant coping activities were assessed.

RESULTS

The prevalence of clinically significant PTSD, depression and anxiety was 21%, 16% and 30% respectively. Respondents reported a mean of eight persistent and bothersome somatic complaints, which were associated with psychiatric symptoms and impairment. Thinking that one's life was in danger was the exposure item most strongly associated with symptoms and impairment. The majority of respondents found their own strength, family and friends, a Western-style hospital and their religious practice to be the most helpful coping aids.

CONCLUSIONS

A large minority of adults in one area of Sri Lanka reported significant psychiatric and somatic symptoms and impairment 20-21 months after the tsunami. Accurate data about risk for and resilience to impairing symptoms >1 year after disasters are necessary in order to develop rational surveillance and interventions.

Psychosocial determinants of relocation in survivors of the 1999 earthquake in Turkey

Large-scale earthquakes in urban areas displace many people from their homes. This study examined the role of conditioned fears in determining survivors' tendency to live in shelters after the 1999 earthquake in Turkey. A total of 1655 survivors living in prefabricated housing compounds or residential units in the epicenter zone were screened using a reliable and valid instrument. Among participants whose houses were rendered uninhabitable during the earthquake 87.7% relocated to shelters, whereas others remained in the community by moving to a new house. In contrast, 38.7% of the participants whose houses were still inhabitable after the earthquake lived in the shelters. Relocation was predicted by behavioral avoidance, material losses, and loss of relatives. These findings suggested that a multitude of factors played a role in survivors' displacement from their houses and the elevated rates of mental health problems could constitute a cause rather than an effect of relocation.

Distinguishing distress and psychopathology among survivors of the Oakland/Berkeley firestorm

Disaster mental health research has historically focused on assessment of psychopathology, using measures of psychiatric symptoms and disorders. The Oakland/Berkeley firestorm provided an opportunity to explore resilience among highly exposed survivors through consideration of psychiatric variables in the context of personality. The Diagnostic Interview Schedule/Disaster Supplement was administered to 62 firestorm survivors at approximately 4, 16, and 39 months and the Temperament and Character Inventory administered at 16 months postdisaster. Few individuals had postdisaster psychopathology (16% with any diagnosis, 5%with PTSD). There was considerable evidence of distress, however, indicated by an abundance of reported posttraumatic symptoms, functional impairments, and endorsement of emotional upset, all of which decreased substantially over time. Group C (avoidance/numbing) posttraumatic symptoms were relatively uncommon and were specifically associated with elevated Self-Transcendence. Groups B (intrusion) and D (hyperarousal) symptoms were prevalent and were associated with high Harm Avoidance and low Self-Directedness. The generally healthy personality profiles of these firestorm survivors reflected their psychological resilience. Examination of symptoms and distress in the context of psychiatric disorders after this disaster demonstrated that symptomatic distress is not inconsistent with psychological resilience. The choice of research focus and methods can provide very different portraits of outcomes post-disaster.

Why current medical management is failing victims of Hurricane Katrina: a review of past successes and failures in postdisaster psychosocial treatment

BACKGROUND

More than one year after Hurricane Katrina, victims exhibit symptoms of a "chronic disease," representing the disruption of psychosocial health. This systematic review assesses the effects of trauma on multiple domains of health following a disaster.

METHOD

Authors searched disaster-related literature from 1971 to present, focusing on recent literature involving Hurricane Andrew and outcomes in nonphysical domains of health. Research relied mainly on PubMed, using keywords including "disaster," "hurricane," "psychosocial," "social," and "stress."

RESULTS

Disaster victims are at risk for negative psychosocial health. Pre-Katrina, the majority of storm victims already exhibited several risk factors that made them candidates for low levels of health.

CONCLUSIONS

Individuals affected by Hurricane Katrina, both those remaining in the Gulf Coast and evacuees, are at significant risk for low levels of psychosocial health. To prevent long-term health deficits in the region, a concerted effort of research and healthcare initiatives is needed as soon as possible.

Psychosocial care for adult and child survivors of the tsunami disaster in India

OBJECTIVES

The tsunami disaster in South Asia affected the mental health and livelihoods of thousands of child and adult survivors, but psychological aspects of rehabilitation efforts are frequently neglected in public health initiatives.

METHODS

Professional teams from the National Institute of Mental Health and Neurosciences in Bangalore, India, traveled to the worst-affected areas in South India and implemented a mental health program of psychosocial care for child and adult survivors. This descriptive report is based on observations of child and adult survivors in Tamil Nadu State of India during January-March 2005.

OBSERVATIONS

Symptoms of emotional distress were observed in child and adult survivors. A train-the-trainer community-based model was implemented for teachers and community-level workers to respond to the emotional needs of children and adults.

CONCLUSION

In resource-poor settings with few trained mental health professionals, community workers were taught basic mental health interventions by teams of psychiatrists, nurses, and social workers. This train-the-trainer, community-based approach has implications for natural and man-made disasters in developed and developing countries.

Physical and mental health problems in parents of adolescents with burns--a controlled, longitudinal study

OBJECTIVE

Caregiving has been described in the literature as a risk factor for ill health in the carer. This controlled, prospective study examines the course of physical and mental health problems in parents of adolescent survivors of a mass burn incident.

METHODS

Health information was extracted from electronic medical records. Continuous data were available for 1 year before and 4 years after the fire. Cohorts comprised 273 parents of survivors with burns, 199 parents of survivors without burns, and 1756 controls. Post-fire increases in health problems were compared by means of logistic regression.

RESULTS

Parents of burn victims were more likely to present mental health problems during the first 2 years after the incident, when compared to the baseline. Moreover, they were more likely to present cardiovascular health problems in every year following the disaster, compared to the baseline. Increases observed in mental and cardiovascular health problems were significantly larger in parents of burn victims compared to controls. Risk factors for presenting mental health problems were female gender of the parent and a large burn size in the child. Lower socioeconomic status and female gender of the parent predicted cardiovascular health problems.

CONCLUSION

Evidence gained in longitudinal studies informs on which health problems are most likely to develop in parental caregivers. In the interest of both parent and child, a family-oriented approach is proposed.

Clinical presentation and therapeutic interventions for posttraumatic stress disorder post-Katrina

It has been almost 2 years since Hurricane Katrina struck the Gulf Coast. These 2 years can be characterized by constant struggle and pain as the people try to reattain some semblance of life as they knew it before Katrina struck. Some have chosen to leave their ancestral homes, homes where they were raised and where they, in turn, raised their own families. Those who did leave are able, in some way, to reestablish some semblance of normality, but those who stayed showed manifestations of and dealt with psychological trauma. These manifestations include regression, inattentiveness, aggressiveness, somatic complaints, irritability, social withdrawal, nightmares, and crying. Longer lasting effects may include depression, anxiety, adjustment disorders, and interpersonal or academic difficulties. These postdisaster manifestations can linger or remain hidden until well after the traumatic event and could persist for years. This article presents issues about the effects of Katrina on the mental health of the people of New Orleans. It discusses the profile of posttraumatic stress disorder and presents evidence-based review of interventions the health care provider can implement to care for those who continue to suffer the effects of this horrific disaster.

The mental health consequences of terrorism: implications for emergency medicine practitioners

Emergency physicians are likely to be first-line responders in any local or regional terrorist event. In addition to preparing for the potential physical conditions and injuries that are associated with terrorism, they should be aware of the behavioral and mental health implications as well. It is helpful to be familiar with the characteristics that predict who may be at increased risk for mental illness after such events and how they may be identified in an Emergency Department setting. Although most people in the general population with behavioral conditions stemming from a terrorist event can be expected to recover spontaneously within several months, other individuals are at increased risk of developing more debilitating mental health conditions that have been associated with post-terrorist and disaster environments. Screening tools are available to help emergency practitioners identify them and refer patients for more formal psychiatric evaluation and potential interventions to facilitate and speed the recovery process.

Emergency department staff preparedness for mass casualty events involving children

BACKGROUND

In recent years, the World Health Organization in general, and Israel in particular, have dealt with mass casualty events (MCEs) resulting from terrorism. Children are the casualties in many of these events-a reality that forces hospitals to prepare to deal with such a scenario. A literature review designed to identify unique recommendations regarding pediatric MCEs highlights both a lack of existing training programs and uncertainty on the part of health care staff when dealing with these events.

OBJECTIVES

The purpose of the study was to examine the preparedness level of emergency department staff to deal with MCEs involving pediatric casualties. The study included 104 physicians and nurses working in, or responding to, the emergency department at a hospital in Israel.

METHOD

The study included a 41-item questionnaire examining perception, approaches, and staff knowledge regarding dealing with pediatric MCEs versus those involving adults. The reliability of all sections of the questionnaire ranged between Chronbach's alpha coefficient 0.6 alpha-0.94.

RESULTS

The preparedness levels for MCEs involving children were found to be low. Study participants ranked the likelihood of a pediatric MCE lower than one involving adults, while ranking significantly higher (P = .000) their ability to cope mentally and the knowledge and skills required when treating adults involved in MCEs. While nurses ranked higher than physicians regarding their knowledge and skills in dealing with pediatric MCE casualties, the level of knowledge for MCEs involving children was low in all subjects. Staff agreement for the parent of an MCE victim to be present during treatment was medium-low.

IMPLICATIONS

On the basis of these findings, additional research involving a larger number of individuals and hospitals is indicated to determine if these results are consistent throughout the region.

The flexible application of a manualized treatment for PTSD symptoms and functional impairment related to the 9/11 World Trade Center attack

The purpose of this treatment effectiveness study was to evaluate the flexible application of a manualized cognitive behavioral treatment (CBT) for PTSD and related symptoms in survivors of the 9/11 terrorist attack on the World Trade Center. Treatment delivery ranged from 12 to 25 sessions; therapist experience ranged from no prior training to extensive training in CBT; and training and supervision of clinicians in the treatment manual was considerably less than that required in a randomized clinical trial (RCT). Paired t-tests demonstrated significant pre-post reductions in symptoms of PTSD and depression for the flexible application of the treatment. A benchmarking analysis revealed that the moderate-to-large effect sizes found for these variables were similar to those obtained in an RCT of the same treatment. Furthermore, effect sizes on measures of outcomes particularly relevant to this population of mass violence survivors such as functional impairment, use of alcohol and drugs to cope, and use of social support to cope, were also medium to large.

The influence of a disaster on the health of rescue workers: a longitudinal study

BACKGROUND

Rescue workers strive, after disasters, to help victims and restrict damage, often in dangerous circumstances. We examined the effect of a disaster on the physical and psychological health of rescue workers (firefighters, police officers and medical emergency services personnel) who provided assistance after the explosion of a fireworks depot in the Netherlands in May 2000.

METHODS

We carried out a 4-year longitudinal study of 1403 rescue workers employed in or near the affected neighbourhood (the study group) and a control group of 1650 uninvolved rescue workers (from another city of similar size and urbanization). Health outcomes were measured as prevalence, incidence (both measured as the percent of workers who took sick leave), frequency of the absences and number of sick days (both per 100 workers), and duration (mean length of sickness absences, in days).

RESULTS

Sick leave among the study workers increased substantially during the 18 months after the explosion. For example, the prevalence of absences attributed to psychological problems increased from 2.5% of workers during the 6 months before the disaster to 4.6% during the first 6-month period after the explosion and 5.1% during the second. That for respiratory problems rose from 5.4% predisaster to 14.9% 6-12 months afterward. In comparison with controls, immediate increases occurred in musculoskeletal, psychological, respiratory and nonspecific ill health (e.g., malaise, fatigue) during the first year postdisaster. Rates of sick leave for musculoskeletal and respiratory reasons remained elevated until 3 years postdisaster, whereas leave for psychological problems and other ill health had returned to predisaster levels by then. Neurological problems increased after a 1-year delay. No significant increase in gastrointestinal problems was observed among the study workers, in comparison with controls.

INTERPRETATION

Many health problems arise immediately after a disaster and may persist for years. Health care workers should realize, however, that some disaster-related effects may not emerge until a year or more after the event.

A longitudinal comparative study of the physical and mental health problems of affected residents of the firework disaster Enschede, The Netherlands

OBJECTIVES

After the firework disaster in Enschede, The Netherlands, on 13 May 2000, a longitudinal health study was carried out. Study questions were: (1) did the health status change over this period; and (2) how is the health status 18 months after the disaster compared with controls?

STUDY DESIGN

A longitudinal comparative study with two surveys at 3 weeks and 18 months after the disaster.

METHODS

A control group for the affected residents was included in the second survey. Respondents filled in a set of validated questionnaires measuring their physical and mental health problems.

RESULTS

The prevalence of physical and emotional role limitations, severe sleeping problems, feelings of depression and anxiety, as well as intrusion and avoidance decreased from 3 weeks to 18 months after the disaster for the affected residents. Independent of background characteristics and other life events, residents had 1.5 to three times more health problems than the control group; for example, physical role limitations (odds ratio [OR]=1.5, 95% confidence interval [CI] 1.2-2.0) and anxiety (OR=3.1, 95% CI 2.4-4.2).

CONCLUSIONS

Although health problems decreased compared with 3 weeks after the disaster, 18 months after the disaster, the affected residents had more health problems than the people from the control group.

Psychological sequelae resulting from the 2004 Florida hurricanes: implications for postdisaster intervention

OBJECTIVES

Data are limited regarding mental health effects of disasters such as hurricanes. We sought to determine the prevalence of and major risk factors associated with posttraumatic stress disorder (PTSD), generalized anxiety disorder, and major depressive episode 6 to 9 months after the 2004 Florida hurricanes.

METHODS

Random-digit dialing was used to recruit a representative population sample of 1452 hurricane-affected adults.

RESULTS

Posthurricane prevalence for PTSD was 3.6%, for generalized anxiety disorder was 5.5%, and for major depressive episode was 6.1%. Risk factors varied somewhat across disorders, with the exception of previous exposure to traumatic events, which increased risk of all negative outcomes.

CONCLUSIONS

Storm exposure variables and displacement were associated primarily with PTSD. Notably, high social support in the 6 months preceding the hurricanes protected against all types of disorders.

Prospective cohort study into post-disaster benzodiazepine use demonstrated only short-term increase

OBJECTIVES

Benzodiazepines are typically prescribed for anxiety and insomnia, two complaints often reported after disasters. Benzodiazepines can cause mental or physical dependence, especially when taken for a long time. This study aims at evaluating benzodiazepine use in a disaster-stricken community with the help of computer-based records.

STUDY DESIGN AND SETTING

This prospective cohort study covers a period of 4 years. For every patient, predisaster baseline data are available. Multilevel regression is applied to study differences in benzodiazepine use in 496 patients whose children were involved in the Volendam café fire on January 1, 2001 compared with 1,709 community controls, and 4,530 patients from an unaffected cohort.

RESULTS

In community controls and patients from the unaffected cohort, benzodiazepine use remained stable in the course of the years. In the first year postfire, parents of disaster victims were 1.58 times more likely to use benzodiazepines than community controls (95% confidence interval 1.13-2.23). With regard to long-term use, differences between community controls and parents were statistically nonsignificant.

CONCLUSIONS

In the studied community, benzodiazepines were predominantly prescribed as a short-term intervention. Clinical guidelines that advocate a conservative prescription policy were well adhered to.

Selective attrition and bias in a longitudinal health survey among survivors of a disaster

Background

Little is known about the response mechanisms among survivors of disasters. We studied the selective attrition and possible bias in a longitudinal study among survivors of a fireworks disaster.

Methods

Survivors completed a questionnaire three weeks (wave 1), 18 months (wave 2) and four years post-disaster (wave 3). Demographic characteristics, disaster-related factors and health problems at wave 1 were compared between respondents and non-respondents at the follow-up surveys. Possible bias as a result of selective response was examined by comparing prevalence estimates resulting from multiple imputation and from complete case analysis. Analysis were stratified according to ethnic background (native Dutch and immigrant survivors).

Results

Among both native Dutch and immigrant survivors, female survivors and survivors in the age categories 25–44 and 45–64 years old were more likely to respond to the follow-up surveys. In general, disasters exposure did not differ between respondents and non-respondents at follow-up. Response at follow-up differed between native Dutch and non-western immigrant survivors. For example, native Dutch who responded only to wave 1 reported more depressive feelings at wave 1 (59.7%; 95% CI 51.2–68.2) than Dutch survivors who responded to all three waves (45.4%; 95% CI 41.6–49.2, p < 0.05). Immigrants who responded only to wave 1 had fewer health problems three weeks post-disaster such as depressive feelings (M = 69.3%; 95% CI 60.9–77.6) and intrusions and avoidance reactions (82.7%; 95% CI 75.8–89.5) than immigrants who responded to all three waves (respectively 89.9%; 95% CI 83.4–96.9 and 96.3%; 95% CI 92.3–100, p < .01). Among Dutch survivors, the imputed prevalence estimates of wave 3 health problems tended to be higher than the complete case estimates. The imputed prevalence estimates of wave 3 health problems among immigrants were either unaffected or somewhat lower than the complete case estimates.

Conclusion

Our results indicate that despite selective response, the complete case prevalence estimates were only somewhat biased. Future studies, both among survivors of disasters and among the general population, should not only examine selective response, but should also investigate whether selective response has biased the complete case prevalence estimates of health problems by using statistical techniques such as multiple imputation.

Psychiatric sequelae of disasters

In addition to physical injuries, survivors of disasters also suffer psychological trauma. Resulting mental anguish and illness can be profoundly debilitating and complicate the recovery and rehabilitation process. Front-line trauma teams caring for survivors of disasters must know the risks, assessment, and appropriate response to psychological injury. This article reviews the development of understanding mental disturbance after disasters and current approaches to evaluation and treatment.

Health status of returnees to Kosovo: do living conditions during asylum make a difference?

OBJECTIVE

From August 1999 to July 2001, asylum seekers who had come to Switzerland from Kosovo were repatriated. The present study aimed to assess the relationship between living conditions during asylum in Switzerland and health status among returnees.

STUDY DESIGN

Cross-sectional survey of 319 ethnic Albanian families in Kosovo, selected from a list of 12900 heads of households who had received repatriation aid.

METHODS

Consenting household members aged 16 years or more who had received asylum in Switzerland were interviewed during the autumn of 2001. Questions explored living conditions during asylum, present socio-economic conditions (World Bank Kosovo Poverty Assessment Survey), subjective physical and mental health [Medical Outcomes Study 36-item Short Form Health Survey (SF-36)], traumatic events (Harvard Trauma Questionnaire) and symptoms of post-traumatic stress disorder (PTSD; Mini International Neuropsychiatric Interview).

RESULTS

Ninety-four per cent of selected households were located. Among the 580 participants, 25.5% suffered from PTSD and 65% lived in extreme poverty. Subjective health scores, measured by SF-36, were low, particularly for those affected by PTSD. Among living conditions in the host country, duration of stay longer than 26 weeks was associated with lower mental health scores, particularly among people with PTSD.

CONCLUSIONS

Two years after the conflict, returnees had low health scores. The association between duration of stay and lower mental health scores may reflect the stress of adapting to asylum or the consequence of compulsory repatriation. This study has implications for the emerging healthcare system in Kosovo and for policies of asylum in host countries.

Alcohol use, mental health status and psychological well-being 2 years after the World Trade Center attacks in New York City

Over the past 30 years, studies have shown that survivors of community-wide disasters suffer from a variety of physical and mental health problems. Researchers also have documented increased substance use in the aftermath of these disasters. In the present study, we examined the relationship between alcohol use and mental health status within the context of the terrorist attacks on the World Trade Center in New York City (NYC). The data for the present report come from a 2-wave panel study of adults living in NYC on the day of the attacks. Wave 1 (W1) and Wave 2 (W2) interviews occurred one year and two years after the attacks, respectively. Overall, 2,368 individuals completed the W1 survey (cooperation rate, 63%) and 1,681 completed the W2 survey (re-interview rate, 71%). The alcohol use variables examined were binge drinking, alcohol dependence, increased days drinking, and increased drinks per day. The outcomes examined included measures of posttraumatic stress disorder (PTSD), major depression, BSI-18-Global Severity and measures of SF12-mental and physical health status. After controlling for demographic, stress, and resource factors, multivariate logistic regressions indicated that all alcohol measures were related to one or more of these outcomes. In particular, binge drinking was related to partial PTSD, while alcohol dependence was associated subsyndromal PTSD, severity of PTSD, depression, BSI-18 global severity, and SF-12 poor mental health status. Increased post-disaster drinking was positively associated with subsyndromal PTSD and negatively associated with SF-12 physical health. We discuss reasons for these results and the negative consequences that heavy alcohol use may have on the postdisaster recovery process.

The importance of estimating selection bias on prevalence estimates shortly after a disaster

PURPOSE

The aim was to study selective participation and its effect on prevalence estimates in a health survey of affected residents 3 weeks after a man-made disaster in The Netherlands (May 13, 2000).

METHODS

All affected adult residents were invited to participate. Survey (questionnaire) data were combined with electronic medical records of residents' general practitioners (GPs). Data for demographics, relocation, utilization, and morbidity 1 year predisaster and 1 year postdisaster were used.

RESULTS

The survey participation rate was 26% (N = 1171). Women (odds ratio [OR], 1.46; 95% confidence interval [CI], 1.28-1.67), those living with a partner (OR, 2.00; 95% CI, 1.72-2.33), those aged 45 to 64 years (OR, 2.00; 95% CI, 1.59-2.52), and immigrants (OR, 1.50; 95% CI, 1.30-1.74) were more likely to participate. Participation rate was not affected by relocation because of the disaster. Participants in the survey consulted their GPs for health problems in the year before and after the disaster more often than nonparticipants. Although there was selective participation, multiple imputation barely affected prevalence estimates of health problems in the survey 3 weeks postdisaster.

CONCLUSIONS

Estimating actual selection bias in disaster studies gives better information about the study representativeness. This is important for policy making and providing effective health care.

Mental health service use among American Red Cross disaster workers responding to the September 11, 2001 U.S. terrorist attacks

In this article, we explored 1) the extent of mental health (MH) service use by American Red Cross disaster relief workers, both before (lifetime) and 1 year after the September 11, 2001 terrorist attacks, and 2) demographic, disaster and MH variables predicting (1-year) post-September 11 MH service use in this population. A sample of 3015 Red Cross disaster workers was surveyed 1 year after the attacks, regarding demographic characteristics, MH service use before and since the attacks, and posttraumatic stress disorder (PTSD) symptoms. Findings revealed that while 13.5% used MH services before the attacks, 10.7% used services after. Variables increasing the likelihood of MH service use after the attacks included the following: no previous MH treatment, younger age, being divorced/widowed, and higher PTSD intrusion or hyperarousal symptoms. Findings support other recent research on MH service use after the September 11 attacks.

Psychosocial care for adult and child survivors of the 2004 tsunami disaster in India

The tsunami disaster in South Asia affected the mental health of thousands of survivors, but psychological aspects of rehabilitation are frequently overlooked in public health initiatives. From January to March 2005, teams from the National Institute of Mental Health and Neurosciences in Bangalore, India, traveled to south India and implemented a "train the trainer" community-based mental health program of psychosocial care to facilitate the recovery of child and adult survivors. Psychosocial care has applications to natural and man-made disasters in developing countries.

Disaster and subsequent healthcare utilization: a longitudinal study among victims, their family members, and control subjects

BACKGROUND

The impact of disasters on primary healthcare utilization is largely unknown. Moreover, it is often overlooked how disaster affects those closest to the primary victims, their family members.

OBJECTIVE

The objective of this study was to examine the long-term effects of a catastrophic fire on primary healthcare utilization.

RESEARCH DESIGN

We conducted a prospective, population-based cohort study covering 1 year pre- and 3 years postfire. Utilization data were extracted from primary care records.

SUBJECTS

Subjects consisted of 286 disaster victims, 802 family members of disaster victims, 3722 community control subjects, and 10,230 patients from a national reference population.

MEASURES

As outcome measures, we studied 1) the annual number of contacts in primary care and 2) the annual number of contacts for problems related to mental health. Determinants are injury characteristics of victims and bereavement. All analyses control for age, gender, and insurance status.

RESULTS

Being an uninjured victim who witnessed the disaster increases the number of contacts by a factor of 1.55 during the first year postfire (95% confidence interval [CI], 1.35-1.78). Uninjured victims contact the family practitioner more often for mental health-related problems than adolescent community control subjects (incidence rate ratio [IRR], 4.54; 95% CI, 1.69-12.20). In adult family members, the loss of a child predicts overall utilization (IRR, 1.88; 95% CI, 1.35-2.63) and utilization for mental health (IRR, 8.69; 95% CI, 2.10-35.92) during the first year postfire.

CONCLUSION

Attention should be paid to the primary care needs of bereaved individuals and those who have witnessed the disaster.

The behavioral consequences of terrorism: a meta-analysis

Effective postterrorism public health interventions require the recognition that behavioral consequences are, in fact, the intent of terrorists. The authors searched published and unpublished post-1980 studies that documented population-level behavioral and psychological consequences of terrorist incidents, focusing on posttraumatic stress disorder (PTSD). Results were tabulated, and random effects models were used to calculate overall effect sizes. The analysis indicates that in the year following terrorist incidents, the prevalence of PTSD in directly affected populations varies between 12% and 16%. The review also shows that this prevalence can be expected to decline 25% over the course of that year. These prevalence estimates mask great variability, depending on who is being studied, who is conducting the study, and where the event occurred. Higher rates of disease are reported for survivors and rescue workers, and higher overall rates are also reported from studies conducted in Western Europe compared with studies conducted in North America. Prior psychiatric diagnoses are strongly associated with subsequent PTSD and may be a useful triage factor, particularly when considered together with factors such as female gender and direct exposure to events as either a survivor or rescuer. The review indicates that these associations are consistent across study types and environments and represent important variables to consider when developing triage, outreach, and treatment programs.

Psychosocial responses to environmental incidents: a review and a proposed typology

OBJECTIVE

The objective of this review was to propose a typology for understanding the diversity of psychosocial reactions to environmental incidents.

METHODOLOGY

The first section provides an introduction and background to the topic; we then attempt to provide a typology of psychosocial responses to environmental incidents.

RESULTS

Response to an environmental incident can be usefully considered in terms of the exposure, the response of the individual, the action of professionals, the response of the community, and the influence of the society in which the incident occurs. We reviewed each of these factors.

CONCLUSIONS

By examining incidents in an ordered framework, we suggest that a more comprehensive understanding is possible. We also suggest some basic ways in which the psychosocial management of such difficult and diverse incidents could be improved.

Disaster research methods: past progress and future directions

Published results for 225 disaster studies were coded on methodological variables, severity of effects, and event year. Methods varied greatly, but cross-sectional, after-only designs, convenience sampling, and small samples were modal. Samples that were assessed before the disaster, selected for reasons of convenience, or were large tended to show less severe effects than other samples. Developing countries were underrepresented overall, but not in recent years. Certain desirable study characteristics (longitudinal designs, representative samples) have been decreasing in prevalence over time, whereas others (early first assessment) have been increasing. Innovations such as latent trajectory modeling or hierarchical linear modeling might advance the field's ability to capture the complexity of disasters, but the field still needs to attend to the fundamentals of sound epidemiologic research.

Alcohol use in New York after the terrorist attacks: a study of the effects of psychological trauma on drinking behavior

Research has suggested that exposure to psychological trauma is associated with increased abuse of psychoactive substances, particularly alcohol. To assess this, we analyzed alcohol consumption, binge drinking, and alcohol dependence among a random sample of 1681 New York City adults 1 year and 2 years after the September 11 attacks. In multivariate models controlling for demographic factors, other stressor exposures, social psychological resources, and history of anti-social behavior, we found that greater exposure to the World Trade Center disaster (WTCD) was associated with greater alcohol consumption at 1 year and 2 years after this event. In addition, our analyses also indicated that exposure to the WTCD was associated with binge drinking at 1 year after but not 2 years after this event. Alcohol dependence, assessed as present in either year 1 or year 2, also was positively associated with greater WTCD exposures. Posttraumatic stress disorder was not associated with alcohol use, once WTCD exposure and other covariates were controlled. Our study suggests that exposure to psychological trauma may be associated with increases in problem drinking long after exposure and deserves further investigation.

Web-based methods in terrorism and disaster research

This article provides an overview of the use of the Internet for conducting studies after terrorist attacks and other large-scale disasters. We begin with a brief summary of the scientific and logistical challenges of conducting such research, followed by a description of some of the most important design features that are required to produce valid findings. We then describe one approach to Internet surveys that, although not perfect, addresses many of the challenges well. We close with some thoughts about how the Internet-based methods available today are likely to develop further in coming years.

Factors associated with receiving help and risk factors for disaster-related distress among Connecticut adults 5-15 months after the September 11th terrorist incidents

BACKGROUND

To obtain prevalence estimates and identify factors associated with psychological problems and receipt of help by a geographically proximate population in which some persons had direct exposure but the overall prevalence of direct exposure was low, 5-15 months after the September 11th, 2001 terrorist incidents.

METHOD

Telephone survey data from the Behavioral Risk Factor Surveillance System (BRFSS) (Connecticut Module) with a randomly selected cohort of 2741 women and 1899 men aged 18 and older were examined using bivariate Chi Square and multivariate logistic regression analyses of weighted data.

RESULTS

One in three respondents reported 9/11-related psychological problems, 26% of whom reported receiving formal services or peer support. Risk factors for reporting psychological problems included being surveyed earlier, female gender, age 64 or younger, Hispanic ethnicity, disability, recent depression, and reporting one day or more in the past 30 of poor mental health, sleep problems or worry. Poor mental health was associated with receipt of formal services, and increased alcohol use was associated with receipt of peer support.

CONCLUSION

In the post-impact recovery period following mass trauma, psychological problems by persons with ongoing mental health conditions or increased alcohol use warrant continuing public and professional attention. Women, Hispanics, and disabled adults also may be under-served.

The health of volunteer firefighters three years after a technological disaster

On May 13, 2000, a firework depot exploded in a residential area of the city of Enschede, The Netherlands. Many disaster workers responded, including volunteer firefighters, a group that has received little attention in disaster research. This study examined the presence of health problems in volunteer firefighters who were involved in disaster work, three years after the disaster. Furthermore, it was investigated whether demographic characteristics and disaster exposure predicted health problems. The study population consisted of 246 volunteer firefighters who were deployed in disaster work and 71 non-deployed controls. These firefighters completed a questionnaire which inquired about their perceived health and health change, physical symptoms, post-traumatic stress, mental health problems, and health care utilization. Three years after the disaster, no health differences emerged between deployed and non-deployed firefighters. Good health and health improvement over the previous year were reported. Respondents who encountered more distressing experiences during disaster work or carried out more direct disaster-related recovery tasks reported more mental health problems and health care utilization. However, the most reliable predictors of health problems were distressing experiences unrelated to the disaster in personal life or during work. Three years after the disaster, the health of volunteer firefighters involved in the disaster work was not much impaired, possibly because aftercare was available and utilized. Nevertheless, disaster exposure was associated with elevated post-traumatic stress symptoms and mental health care utilization. Health care workers should direct specific attention to the treatment and prevention of post-traumatic stress symptoms in cases of major accidents or disasters.

PTSD and depression after the Madrid March 11 train bombings

The March 11, 2004, train bombings in Madrid, Spain, caused the largest loss of life from a single terrorist attack in modern European history. We used a cross-sectional random digit dial survey of Madrid residents to assess the prevalence of posttraumatic stress disorder (PTSD) and major depression in the general population of Madrid 1 to 3 months after the March 11 train bombings. Of respondents 2.3% reported symptoms consistent with PTSD related to the March 11 bombings and 8.0% of respondents reported symptoms consistent with major depression. The prevalence of PTSD was substantially lower, but the prevalence of depression was comparable to estimates reported after the September 11 attacks in Manhattan. The findings suggest that across cities, the magnitude of a terrorist attack may be the primary determinant of the prevalence of PTSD in the general population, but other factors may be responsible for determining the population prevalence of depression.