Showing papers on "Poison control published in 1992"

The information capacity of the human motor system in controlling the amplitude of movement.

Abstract: Information theory has recently been employed to specify more precisely than has hitherto been possible man's capacity in certain sensory, perceptual, and perceptual-motor functions (5, 10, 13, 15, 17, 18). The experiments reported in the present paper extend the theory to the human motor system. The applicability of only the basic concepts, amount of information, noise, channel capacity, and rate of information transmission, will be examined at this time. General familiarity with these concepts as formulated by recent writers (4, 11,20, 22) is assumed. Strictly speaking, we cannot study man's motor system at the behavioral level in isolation from its associated sensory mechanisms. We can only analyze the behavior of the entire receptor-neural-effector system. However, by asking 51 to make rapid and uniform responses that have been highly overlearned, and by holding all relevant stimulus conditions constant with the exception of those resulting from 5"s own movements, we can create an experimental situation in which it is reasonable to assume that performance is limited primarily by the capacity of the motor system. The motor system in the present case is defined as including the visual and proprioceptive feedback loops that permit S to monitor his own activity. The information capacity of the motor system is specified by its ability to produce consistently one class of movement from among several alternative movement classes. The greater the number of alternative classes, the greater is the information capacity of a particular type of response. Since measurable aspects of motor responses, such as their force, direction, and amplitude, are continuous variables, their information capacity is limited only by the amount of statistical variability, or noise, that is characteristic of repeated efforts to produce the same response. The information capacity of the motor Editor's Note. This article is a reprint of an original work published in 1954 in the Journal of Experimental Psychology, 47, 381391.

The aggression questionnaire.

Abstract: A new questionnaire on aggression was constructed Replicated factor analyses yielded 4 scales: Physical Aggression, Verbal Aggression, Anger, and Hostility Correlational analysis revealed that anger is the bridge between both physical and verbal aggression and hostility The scales showed internal consistency and stability over time Men scored slightly higher on Verbal Aggression and Hostility and much higher on Physical Aggression There was no sex difference for Anger The various scales correlated differently with various personality traits Scale scores correlated with peer nominations of the various kinds of aggression These findings suggest the need to assess not only overall aggression but also its individual components

Foundation for a General Strain Theory of Crime and Delinquency

Abstract: This paper presents a general strain theory of crime and delinquency that is capable of overcoming the criticisms of previous strain theories. In the first section, strain theory is distinguished from social control and differential association/social learning theory. In the second section, the three major types of strain are described: (1) strain as the actual or anticipated failure to achieve positively valued goals, (2) strain as the actual or anticipated removal of positively valued stimuli, and (3) strain as the actual or anticipated presentation of negatively valued stimuli. In the third section, guidelines for the measurement of strain are presented. And in the fourth section, the major adaptations to strain are described, and thcwe factors influencing the choice of delinquent versus nondelinquent adaptations are discussed. After dominating deviance research in the 196Os, strain theory came under heavy attack in the 1970s (Bernard, 1984; Cole, 1975), with several prominent researchers suggesting that the theory be abandoned (Hirschi, 1969; Kornhauser, 1978). Strain theory has survived those attacks, but its influence is much diminished (see Agnew, 1985a; Bernard, 1984; Farnworth and Leiber, 1989). In particular, variables derived from strain theory now play a very limited role in explanations of crime/delinquency. Several recent causal models of delinquency, in fact, either entirely exchde strain variables or assign them a small role (e.g., Elliott et al., 1985; Johnson, 1979; Massey and Krohn, 1986; Thornberry, 1987; Tonry et al., 1991). Causal models of crime/delinquency are dominated, instead, by variables derived from differential association/social learning theory and social control theory. This paper argues that strain theory has a central role to play in explanations of crime/delinquency, but that the theory has to be substantially revised to play this role. Most empirical studies of strain theory continue to rely on the strain models developed by Merton (1938), A. Cohen (1955), and Cloward and Ohlin (1960). In recent years, however, a wealth of research in several fields has questioned certain of the assumptions underlying those theories and pointed to new directions for the development of strain theory. Most notable in this area is the research on stress in medical sociology and psychology, on equity/justice in social psychology, and on aggression in psychology-particularly recent versions of frustration-aggression and social

Measuring balance in the elderly: validation of an instrument

Abstract: This study assessed the validity of the Balance Scale by examining: how Scale scores related to clinical judgements and self-perceptions of balance, laboratory measures of postural sway and external criteria reflecting balancing ability; if scores could predict falls in the elderly; and how they related to motor and functional performance in stroke patients. Elderly residents (N = 113) were assessed for functional performance and balance regularly over a nine-month period. Occurrence of falls was monitored for a year. Acute stroke patients (N = 70) were periodically rated for functional independence, motor performance and balance for over three months. Thirty-one elderly subjects were assessed by clinical and laboratory indicators reflecting balancing ability. The Scale correlated moderately with caregiver ratings, self-ratings and laboratory measures of sway. Differences in mean Scale scores were consistent with the use of mobility aids by elderly residents and differentiated stroke patients by location of follow-up. Balance scores predicted the occurrence of multiple falls among elderly residents and were strongly correlated with functional and motor performance in stroke patients.

Temporary suppression of visual processing in an RSVP task: an attentional blink? .

Abstract: Through rapid serial visual presentation (RSVP), we asked Ss to identify a partially specified letter (target) and then to detect the presence or absence of a fully specified letter (probe). Whereas targets are accurately identified, probes are poorly detected when they are presented during a 270-ms interval beginning 180 ms after the target. Probes presented immediately after the target or later in the RSVP stream are accurately detected. This temporary reduction in probe detection was not found in conditions in which a brief blank interval followed the target or Ss were not required to identify the target. The data suggest that the presentation of stimuli after the target but before target-identification processes are complete produces interference at a letter-recognition stage. This interference may cause the temporary suppression of visual attention mechanisms observed in the present study. Language: en

Involuntary covert orienting is contingent on attentional control settings.

Abstract: Four experiments tested a new hypothesis that involuntary attention shifts are contingent on the relationship between the properties of the eliciting event and the properties required for task performance. In a variant of the spatial cuing paradigm, the relation between cue property and the property useful in locating the target was systematically manipulated. In Experiment 1, invalid abrupt-onset precues produced costs for targets characterized by an abrupt onset but not for targets characterized by a discontinuity in color. In Experiment 2, invalid color precues produced greater costs for color targets than for abrupt-onset targets. Experiment 3 provided converging evidence for this pattern. Experiment 4 investigated the boundary conditions and time course for attention shifts elicited by color discontinuities. The results of these experiments suggest that attention capture is contingent on attentional control settings induced by task demands.

Current Estimates from the National Health Interview Survey, 1991

Abstract: This report on the 1988 civilian noninstitutionalized population residing in the US presents estimates of acute conditions episodes of persons injured restriction in activity limitation of activity due to chronic conditions prevalence of chronic conditions respondent-assessed health status and the use of medical services including physician contacts and short-stay hospitalization. Estimates of these health characteristics are presented in detailed tables for various groups in the population including those defined by age sex race and family income and by geographic regions and place of residence. Accompanying text briefly defines each of the health characteristics included in the detailed tables and reports the 1988 estimate for each characteristic. Text tables include the corresponding 1986 and 1987 estimates for each of the major health characteristics. Information in this report comes from the National Health Interview Survey based on data collected in a continuing nationwide survey by household interview. The 1988 survey was conducted with a full sample including 47485 households containing 122310 persons.

The New Penology : Notes on the emerging strategy of corrections and its implications

Abstract: The new penology argues that an important new language of penology is emerging. This new language, which has its counterparts in other areas of the law as well, shifts focus away from the traditional concerns of the criminal law and criminology, which have focused on the individual, and redirects it to actuarial consideration of aggregates. This shift has a number of important implications: It facilitates development of a vision or model of a new type of criminal process that embraces increased reliance on imprisonment and that merges concerns for surveillance and custody, that shifts away from a concern with punishing individuals to managing aggregates of dangerous groups, and that affects the training and practice of criminologists.

Overcoming the absence of socioeconomic data in medical records: validation and application of a census-based methodology

Abstract: BACKGROUND. Most US medical records lack socioeconomic data, hindering studies of social gradients in health and ascertainment of whether study samples are representative of the general population. This study assessed the validity of a census-based approach in addressing these problems. METHODS. Socioeconomic data from 1980 census tracts and block groups were matched to the 1985 membership records of a large prepaid health plan (n = 1.9 million), with the link provided by each individual's residential address. Among a subset of 14,420 Black and White members, comparisons were made of the association of individual, census tract, and census block-group socioeconomic measures with hypertension, height, smoking, and reproductive history. RESULTS. Census-level and individual-level socioeconomic measures were similarly associated with the selected health outcomes. Census data permitted assessing response bias due to missing individual-level socioeconomic data and also contextual effects involving the interactio...

The Harvard Trauma Questionnaire. Validating a cross-cultural instrument for measuring torture, trauma, and posttraumatic stress disorder in Indochinese refugees

Abstract: There are no valid and reliable cross-cultural instruments capable of measuring torture, trauma, and trauma-related symptoms associated with the DSM-III-R diagnosis of posttraumatic stress disorder (PTSD). Generating such standardized instruments for patients from non-Western cultures involves particular methodological challenges. This study describes the development and validation of three Indochinese versions of the Harvard Trauma Questionnaire (HTQ), a simple and reliable screening instrument that is well received by refugee patients and bicultural staff. It identifies for the first time trauma symptoms related to the Indochinese refugee experience that are associated with PTSD criteria. The HTQ's cultural sensitivity may make it useful for assessing other highly traumatized non-Western populations.

Do Girls Manipulate and Boys Fight? Developmental Trends in Regard to Direct and Indirect Aggression

Abstract: Gender differences in regard to aggressive behaviour were investigated in a series of studies of schoolchildren of different age cohorts: 8-year-olds (N = 85), 11-year-olds (N = 167), and 15-year-olds (N = 127). Different types of aggressive behaviour were measured with peer nomination techniques, supported by self-ratings. The social structure of the peer groups were also studied. The results of the 11-year-old cohort were previously presented by Lagerspetz et al. [1988; Aggressive Behavior 14:403-4141, but they are compared here with the other age groups. The principal finding was that girls of the two older cohorts overall make greater use of indirect means of aggression, whereas boys tend to employ direct means. Previously, the main difference between the genders has been thought to be that boys use physical aggressive strategies, while girls prefer verbal ones. Our studies suggest that the differentiation between direct and indirect strategies of aggression presents a more exact picture. Indirect aggressive strategies were not yet fully developed among the 8-year-old girls, but they were already prominent among the 11-year-old girls. Aggressive behaviour was assessed overall by the children themselves to be the highest in this age group.

Stages of progression in drug involvement from adolescence to adulthood: further evidence for the gateway theory.

Abstract: Sequential stages of involvement in alcohol and/or cigarettes, marijuana, other illicit drugs and medically prescribed psychoactive drugs from adolescence to adulthood are investigated in a longitudinal cohort that has been followed from ages 15 to 35. Alternative models of progression are tested for their goodness of fit. Four stages are identified: that of legal drugs, alcohol or cigarettes; marijuana; illicit drugs other than marijuana; and medically prescribed drugs. Whereas progression to illicit drugs among men is dependent upon prior use of alcohol, among women either cigarettes or alcohol is a sufficient condition for progression to marijuana. Age of onset and frequency of use at a lower stage of drug use are strong predictors of further progression.

The cerebellum and the adaptive coordination of movement.

Abstract: Based on a review of cerebellar anatomy, neural discharge in relation to behavior, and focal ablation syndromes, we propose a model of cerebellar function that we believe is both comprehensive as to the available information (at these levels) and unique in several respects. The unique features are the inclusion of new information on (a) cerebellar output--its replicative representation of body maps in each of the deep nuclei, each coding a different type and context of movement, and each appearing to control movement of multiple body parts more than of single body parts; and (b) the newly assessed long length of the parallel fiber. The parallel fiber, by virtue of its connection through Purkinje cells to the deep nuclei, appears optimally designed to combine the actions at several joints and to link the modes of adjacent nuclei into more complex coordinated acts. We review the old question of whether the cerebellum is responsible for the coordination of body parts as opposed to the tuning of downstream executive centers, and conclude that it is both, through mechanisms that have been described in the cerebellar cortex. We argue that such a mechanism would require an adaptive capacity, and support the evidence and interpretation that it has one. We point out that many parts of the motor system may be involved in different types of motor learning for different purposes, and that the presence of the many does not exclude an existence of the one in the cerebellar cortex. The adaptive role of the cerebellar cortex would appear to be specialized for combining simpler elements of movement into more complex synergies, and also in enabling simple, stereotyped reflex apparatus to respond differently, specifically, and appropriately under different task conditions. Speed of learning and magnitude of memory for both novel synergies and task-specific performance modifications are other attributes of the cerebellar cortex.

The Concept of Social Movement

Abstract: Recent developments in social movement research have evidenced a greater underlying consensus in the field than one might have assumed. Efforts have been made to bridge different perspectives and merge them into a new synthesis. Yet, comparative discussion of the concept of ‘social movement’ has been largely neglected so far. This article reviews and contrasts systematically the definitions of ‘social movement’ formulated by some of the most influential authors in the field. A substantial convergence may be detected between otherwise very different approaches on three points at least. Social movements are defined as networks of informal interactions between a plurality of individuals, groups and/or organizations, engaged in political or cultural conflicts, on the basis of shared collective identities. It is argued that the concept is sharp enough a) to differentiate social movements from related concepts such as interest groups, political parties, protest events and coalitions; b) to identify a specific area of investigation and theorising for social movement research.

Assessing for abuse during pregnancy. Severity and frequency of injuries and associated entry into prenatal care.

Abstract: Objective. —To assess the occurrence, frequency, and severity of physical abuse during pregnancy and associated initiation of prenatal care. Design. —Stratified, prospective cohort analysis. Setting. —Public prenatal clinics in Houston, Tex, and Baltimore, Md. Participants. —Total population-based sample of 691 black, Hispanic, and white pregnant women. All of the women were urban residents and most of the Hispanic women were Mexican American. All participants were invited into the study at the first prenatal visit and were followed up until delivery. Main Outcome Measure. —Identification of abuse status. Results. —A three-question Abuse Assessment Screen detected a 17% (1/6) prevalence of physical or sexual abuse during pregnancy, which is more than double all previous published reports. When evaluated against nationally tested research instruments, the three-question screen that was asked at the first prenatal visit was sensitive and specific to abuse status. Abuse was recurrent, with 60% of abused women reporting two or more episodes of assault. Location of abuse focused on the head. Frequency and severity of abuse and potential danger of homicide was appreciably worse for white women. Abused women were twice as likely as nonabused women to begin prenatal care during the third trimester. Conclusions. —A simple clinical assessment screen completed by the health care provider in a private setting and with the male partner absent is as effective as research instruments in identifying abused women. Straightforward, routine clinical assessment is recommended as essential in preventing potential trauma, interrupting existing abuse, and protecting health. ( JAMA . 1992;267:3176-3178)

Stress and Alcohol Use: Moderating Effects of Gender, Coping, and Alcohol Expectancies

Abstract: A stressor vulnerability model of stress-induced drinking was tested in a stratified random sample of 1,316 Black and White adult drinkers. Stressors were highly predictive of both alcohol use and drinking problems among men who relied on avoidant forms of emotion coping or held strong positive expectancies for alcohol's effects and accounted for more than 35% of the variance in alcohol use among the subgroup of men who were high in both vulnerability factors. In contrast, stressors were negatively related among men who were low in both and were unrelated among women regardless of their coping or expectancies. These findings suggest that tension reduction theories of alcohol use are overly broad and that individual characteristics must be considered to account for stress-related effects on alcohol use and abuse. Language: en

Bully/victim problems among middle school children

Abstract: Bully/victim problems among six classes of 8-9 year-old and six classes of 11-12 year-old children, attending three middle schools, were investigated by means of Olweus's self-report Bullying Inventory. About 21 per cent of the children reported being bullied, and about 17 per cent reported bullying others, "sometimes" or more often. Reports of both bullying and being bullied were more prevalent among boys than among girls, and among the younger group than among the older group. The two most common forms of bullying were reported to be teasing and hitting/kicking. Fewer of the younger group than the older group reported being bullied by same-age pupils, and more of the former reported being bullied by older pupils. Most boys were bullied by other boys only, whereas girls were more likely to be bullied by children of either sex. Besides being bullied in school, children also reported that this happened on the journey to/from school and in other places such as in the street near where they live. Many children expressed negative attitudes towards bullying, although nearly a third said that they could understand why it happens. The majority of the children who reported being bullied/bullying others had not been spoken to about this by teachers or by someone at home. Victims of bullying, but not bullies, were found to be most likely to report feeling unhappy and lonely at school, and to report having fewer good friends. In Study 2, children identified as bullies, victims and not involved in this type of problem were interviewed to find out why certain children and/or themselves bully/get bullied by others, and the feelings of the children involved. The pattern of responses by the three groups differed in some important ways.

The Myth of Sexual Symmetry in Marital Violence

Abstract: A currently fashionable claim is that violence against husbands is about as prevalent as violence against wives; spousal violence has been said to be symmetrical in its extent, severity, intentions, motivational contexts, and even its consequences. The evidence for this alleged symmetry derives from two sources: (I) surveys employing the “Conflict Tactics Scales” (CTS), a checklist of self-reported “acts” perpetrated or experienced, and (2) U.S. homicide data. We criticize the claim of sexual symmetry by reviewing other contradictory survey evidence; by showing that the CTS provides an account of marital violence that is neither reliable nor valid; and by demonstrating that the sexual symmetry of spousal homicide victimization does not reflect sexually symmetrical motivation or action—and is in any case peculiar to the United States. Confining self report data to a checklist of acts, devoid of motives, meanings and consequences cannot insure objectivity, validity or an adequate development of theory to explain violence.

Problems in families of male Vietnam veterans with posttraumatic stress disorder.

Abstract: Interviews were conducted with a nationally representative sample of 1,200 male Vietnam veterans and the spouses or co-resident partners of 376 of these veterans. The veteran interview contained questions to determine the presence of posttraumatic stress disorder (PTSD) and items tapping family and marital adjustment, parenting problems, and violence. The spouse or partner (S/P) interview assessed the S/P's view of these items, as well as her view of her own mental health, drug, and alcohol problems and behavioral problems of school-aged children living at home. Compared with families of male veterans without current PTSD, families of male veterans with current PTSD showed markedly elevated levels of severe and diffuse problems in marital and family adjustment, in parenting skills, and in violent behavior. Clinical implications of these findings are discussed.

Service utilization and social morbidity associated with depressive symptoms in the community.

Abstract: Objective. —To estimate service utilization and social morbidity in the community associated with depressive symptoms. Estimates were made using an epidemiologic measure, population attributable risk. Population attributable risk is a compound measure reflecting both the morbid risk to an individual with a disorder and the prevalence of the disorder in the community. Design. —Epidemiologic survey. Participants. —Eighteen thousand five hundred seventy-one adults in the Epidemiologic Catchment Area Study interviewed from a complex random sample in five US communities. Outcome Measures. —Suicide attempts, use of psychoactive medications, self-reported physical and emotional health, time lost from work, and general medical services or use of emergency departments for emotional problems. Results. —Major depression-dysthymia (lifetime prevalence, 6.1%) and depressive symptoms (lifetime prevalence, 23.1%) were associated with increased service utilization and social morbidity as measured by the outcome variables. On a population basis, however, as much or more service burden and impairment was associated with depressive symptoms as with the clinical conditions of depression or dysthymia. The equal association results from the greater prevalence of depressive symptoms. Population attributable risk percentages associated with depressive symptoms (not disorder) were as follows: emergency department use (11.8%) or medical consultations for emotional problems (21.5%); use of tranquilizers (14.6%), sleeping pills (21.0%), or antidepressants (22.2%); fair or poor self-reported emotional health (15.3%); days lost from work (17.8%); and suicide attempts (25.0%). Conclusions. —Estimates of population attributable risk indicated that physicians actually provided services to more persons with depressive symptoms than to persons with formally defined conditions of depressive disorders. Subclinical depression, as a consequence of high prevalence, is a clinical and public health problem. Attention to diagnostic and treatment issues is indicated. ( JAMA . 1992;267:1478-1483)

Functional reach : Predictive validity in a sample of elderly male veterans

Abstract: Focus groups were used to explore a range of issues concerning breast cancer screening in elderly women and to contribute to defining a research agenda. Two groups consisted of women aged 65-75 and 75 and older, and one group consisted of primary care physicians. Predominant topic areas were women's awareness of breast cancer and screening information, attitudes and perceived barriers to screening (including those related to women themselves, to the health care system, and to physicians), issues related to relationships within the medical community, and opinions about and priorities for change.

Mental Disorder, Intellectual Deficiency, and Crime: Evidence From a Birth Cohort

Abstract: • Studies of criminality among patients in psychiatric hospitals and of mental disorder among incarcerated offenders have suggested an association between the major mental disorders (schizophrenia and major affective disorders) and crime. However, these investigations are characterized by notable methodological weaknesses, and, consequently, this conclusion has remained tentative. Little is known about the criminality of intellectually handicapped people. The present study examined the relationship between crime and mental disorder and crime and intellectual deficiency in an unselected Swedish birth cohort followed up to age 30 years. It was found that men with major mental disorders were 21/2 times more likely than men with no disorder or handicap to be registered for a criminal offense and four times more likely to be registered for a violent offense. Women with major disorders were five times more likely than women with no disorder or handicap to be registered for an offense and 27 times more likely to be registered for a violent offense. These subjects committed many serious offenses throughout their lives. The criminal behavior in over half these cases appeared before the age of 18 years. Intellectually handicapped men were three times more likely to offend than men with no disorder or handicap and five times more likely to commit a violent offense. Intellectually handicapped women were almost four times more likely to offend than women with no disorder or handicap and 25 times more likely to commit a violent offense. The results of this investigation confirm and extend previous findings indicating that individuals with major mental disorders and those with intellectual handicaps are at increased risk for offending and for violent offending. However, in the United States, where rates of crime overall and crime by substance abusers are very high, the mentally disordered and intellectually handicapped would account for only a small proportion of these offenses.

Perceived Risk and Fear of Crime: Role of Social and Physical Incivilities:

Abstract: Scholars are paying close attention to incivilities and how they affect citizens' fear of crime. A common research finding is that neighborhood incivilities (e.g., abandoned storefronts, unkept lots, litter, noise, bench sleepers, public drunks) are often as powerful in generating feelings of fear as crime itself. The implication is that by removing the riffraff from the streets and graffiti from the walls, feelings of fear will be reduced. Moreover, community “clean-sweeps” will meet with public approval as they improve the overall quality of life in cities and neighborhoods. This article carefully examines the influence of a number of social and physical incivilities on two different reactions to crime—perceptions of risk and feelings of fear. The authors use a national data set of 1,101 randomly selected U.S. adults who have been interviewed by telephone. The data reveal significant relationships between social and physical incivility and perceptions of risk; incivility is also related to fear but less...

An Empirical Test of General Strain Theory

Abstract: This paper tests Agnew's (1992) general strain theory (GST) of crime and delinquency. GST argues that strain occurs when others (1) prevent or threaten to prevent you from achieving positively valued goals, (2) remove or threaten to remove positively valued stimuli that you possess, or (3) present or threaten to present you with noxious or negatively valued stimuli. The impact of such strain on delinquency is said to be conditioned by several variables, such as association with delinquent peers and self-efficacy. Data from a sample of 1,380 New Jersey adolescents provide qualified support for the theory; strain measures of the type described above have a relatively substantial effect on delinquency and drug use. Further, the effect of these strain measures is conditioned by delinquent peers and self-efficacy, as predicted by GST.

Primary Care Physicians' Response to Domestic Violence: Opening Pandora's Box

Abstract: Objective. —To explore primary care physicians' experiences with domestic violence victims to determine the barriers to problem recognition and intervention in the primary care setting. Design. —Ethnography, a qualitative research method involving the use of open-ended, semistructured interviews. Setting. —An urban health maintenance organization serving a predominantly white, middle-income population. Participants. —Thirty-eight physicians, predominantly family practitioners (89%), were interviewed. Results. —Analysis of the interviews revealed that physicians found exploring domestic violence in the clinical setting analogous to "opening Pandora's box." Their issues include lack of comfort, fear of offending, powerlessness, loss of control, and time constraints. Conclusion. —This study revealed several barriers that physicians perceived as preventing them from comfortably intervening with domestic violence victims. These issues need to be addressed in training programs. Further studies should be done to assess generalizability of these findings to other groups of physicians. ( JAMA . 1992;267:3157-3160)

Suicide in the home in relation to gun ownership

Abstract: Background. It has been suggested that limiting access to firearms could prevent many suicides, but this belief is controversial. To assess the strength of the association between the availability of firearms and suicide, we studied all suicides that took place in the homes of victims in Shelby County, Tennessee, and King County, Washington, over a 32-month period. Methods. For each suicide victim (case subject), we obtained data from police or the medical examiner and interviewed a proxy. Their answers were compared with those of control subjects from the same neighborhood, matched with the victim according to sex, race, and age range. Crude and adjusted odds ratios were calculated with matched-pairs methods. Results. During the study period, 803 suicides occurred in the two counties, 565 of which (70 percent) took place in the home of the victim. Fifty-eight percent (326) of these suicides were committed with a firearm. After excluding 11 case subjects for various reasons, we were able to inter...