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Mental Illness Hospitalizations of Youth in Washington State FREE

Michelle M. Garrison, MPH; Laura P. Richardson, MD, MPH; Dimitri A. Christakis, MD, MPH; Frederick Connell, MD, MPH
[+] Author Affiliations

From the Child Health Institute (Ms Garrison and Drs Richardson, Christakis, and Connell) and Departments of Health Services (Drs Christakis and Connell) and Pediatrics (Drs Richardson, Christakis, and Connell), University of Washington, Seattle.


Arch Pediatr Adolesc Med. 2004;158(8):781-785. doi:10.1001/archpedi.158.8.781.
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Objective  To determine if mental health hospitalizations have increased among youth.

Design  A retrospective cross-sectional time trend study. The Washington State Comprehensive Hospital Abstract Reporting System data set was used to examine hospitalizations among youth (aged 5-19 years) from January 1, 1990, through December 31, 1999. The yearly rates of youth hospitalized for mental illness were calculated, as were the proportions of hospitalizations due to mental illness. χ2 Tests of trend were computed to assess for significant change over time. Additional analyses examined trends in hospital days due to mental illness and repeated hospitalizations and compared mental illness with other major causes of child and adolescent hospitalization.

Results  The rate of school-aged children (aged 5-14 years) hospitalized for mental illness increased by 22% during the 1990s (P = .004). The proportion of hospitalizations due to mental illness in school-aged children increased from 7.8% in 1990 to 12.8% in 1999 (P<.001). Among adolescents (aged 15-19 years), no significant change occurred in the rate of mental illness hospitalizations, but the proportion of hospitalizations due to mental illness increased from 14.5% in 1990 to 21.5% in 1999 (P<.001). Although injuries were the leading cause of hospitalizations among youth in 1990, mental illness has since surpassed injuries as a cause for hospitalization. Mental illness accounted for one third of all hospital days for youth in 1999.

Conclusions  Mental illness hospitalizations account for an increasing proportion of admissions and hospital days among children and adolescents in Washington State. During the past decade, mental illness has surpassed injury as a leading cause of hospitalization for Washington youth.

Figures in this Article

Several studies have found that overall hospitalization rates for children and adolescents have been decreasing during the past 20 years,1,2 as have hospital days.3 Possible reasons for these declines include improved prevention efforts and a shift from inpatient to outpatient management of many conditions. Although injuries, appendicitis, and asthma have long been seen as major causes of hospitalization in children and adolescents,1,2,4,5 mental illness has emerged as a significant contributor as well.58

There is some evidence that psychiatric admissions increased among youth in the 1980s9,10 but that the mean length of stay for these psychiatric admissions may have decreased.11 A study1 of hospitalizations longer than a week in California children aged 1 to 12 years observed a 57% increase in psychiatric hospitalizations between 1985 and 1994, with the largest increase seen in hospitalizations for depressive disorder. During the same period, a 24% decrease in the overall rate of such long hospitalizations among children was observed. However, such long hospitalizations accounted for only 11% to 12% of hospitalizations among children. Cross-sectional analyses of hospital discharge data during the early 1990s found that mental illness accounted for 8.1% of admissions among children aged 6 to 12 years5,6 and 14.8% of admissions among adolescents aged 10 to 19 years.7

Population-based studies have reported different prevalence rates of mental illness among youth, with the differences largely due to variations in definitions of mental illness, diagnostic ascertainment, and the age range of the population assessed. Regardless, most population-based studies1219 in school-aged children and adolescents have yielded 6- or 12-month prevalence rates of approximately 20%. Studies using administrative data have yielded significantly lower prevalence rates,20 possibly because as many as half of the youth with psychiatric disorders do not receive mental health services or treatment.2126 In studies27,28 that have examined the unmet health care needs of children, the need for mental health care is a major factor.

Although overall youth hospitalization rates have been dropping due to a shift to ambulatory management, hospitalizations for mental illness may not be following the same trend. Unmet outpatient mental health needs may be affecting the rate of child and adolescent hospitalization for mental illness. Not only do managed care restrictions on access to outpatient and inpatient mental health care tend to be more restrictive than those for medical care, but shortages at national and local levels are being seen in the availability of trained child mental health professionals in the community. Given these factors, we hypothesized that the decreases observed in overall hospitalization rates may not have been mirrored in the rates of mental illness hospitalizations. The objectives of this study were to examine trends in pediatric mental illness hospitalizations during the 1990s and to determine whether such hospitalizations differed in trend from overall hospitalizations in Washington State.

DATA SOURCES

The Washington State Comprehensive Hospital Abstract Reporting System data set was used to examine all children and adolescents aged 5 to 19 years who were hospitalized in Washington State from January 1, 1990, through December 31, 1999. The data set incorporated data from all acute care facilities in the state, including short-term psychiatric hospitals, but excluded long-term care facilities and institutions. Pregnancy-related hospitalizations were excluded from this analysis; while adolescent pregnancies represent an important social problem in our society, hospitalizations for childbirth are not considered "adverse events" in the same way that hospitalization for injury or illness is. Demographic data for rate denominators were obtained from the Washington State Office of Financial Management's intercensal estimates.

DATA ANALYSIS

We conducted a retrospective cross-sectional time trend study. Age groups were defined as school-aged children (aged 5-14 years) and adolescents (aged 15-19 years), and all analyses were stratified by age group. Hospitalizations for mental illness were classified as those for which the International Classification of Diseases, Ninth Revision (ICD-9) code for the primary discharge diagnosis was for a psychiatric disorder (codes 293-302 and 307-314), excluding alcohol- and other drug-related conditions. In sensitivity analyses, this definition was broadened first to include hospitalizations for alcohol- and other drug-related conditions and self-inflicted injuries, and second to include psychiatric disorders that were coded on discharge but not as the primary diagnosis.

Yearly rates of youth hospitalized for mental illness were calculated for each age group, as was the proportion of hospitalizations due to mental illness, using intercensal population estimates for the age groups as the denominator. We excluded from this analysis repeated hospitalizations for the same cause in an individual during a given year. We hypothesized that repeated hospitalizations might be more common for mental illness than for other causes of hospitalizations and wanted to construct a conservative estimate. Furthermore, we believed that the number of unique youth hospitalized for a given condition was more relevant to public health than the number of admissions. However, because most other analyses have examined all admissions, for comparability we performed a separate analysis in which repeated hospitalizations were included. χ2 Tests of trend were computed to determine whether the rates or proportions changed significantly over time. Descriptive analyses were also conducted, examining the distribution of different psychiatric diagnoses among those hospitalized for mental illness in the 2 age groups.

In an additional analysis, the proportion of hospitalizations due to mental illness was compared with the other 2 leading causes for hospitalization in these age groups, injuries and appendicitis. Changes in the proportion of hospitalizations due to any cause have implications for the distribution of resources at the hospital level. Furthermore, trends over time in hospital days due to mental illness were examined using a χ2 test of trend.

There were 307 556 hospitalizations among youth aged 5 to 19 years in Washington State during the 1990s. After excluding pregnancy-related hospitalizations, this number dropped to 215 674. Overall annual hospitalization rates in school-aged children and adolescents decreased by one third in Washington State during the 1990s.

By 1999, the rate of school-aged children hospitalized for mental illness had increased by 22% from the 1990 rate of 11.0 per 10 000 (P = .004). However, most of this increase occurred in the first half of the decade (Figure 1). In 1999, 13.4 per 10 000 school-aged children in the state of Washington were hospitalized for a mental illness (approximately 1 of every 750 children aged 5-14 years). The proportion of hospitalizations due to mental illness in school-aged children increased from 7.8% in 1990 to 12.8% in 1999 (P<.001). Among adolescents, no significant change occurred in the rate hospitalized for mental illness, but the proportion of hospitalizations due to mental illness increased from 14.5% in 1990 to 21.5% in 1999 (P<.001). In 1999, 36.2 per 10 000 adolescents were hospitalized for a mental illness (approximately 1 of every 276 Washington teens aged 15-19 years).

Place holder to copy figure label and caption
Figure 1.

Rates of youth hospitalized by age group and primary diagnosis in school-aged children aged 5 to 14 years (A) and in adolescents aged 15 to 19 years (B).

Graphic Jump Location

When repeated hospitalizations are included in the analysis and all hospital admissions are examined, the rise in mental illness hospitalizations among school-aged children is more noticeable. Although there was a 22% increase in the yearly number of school-aged children hospitalized for mental illness during the 1990s, there was a 34% increase in the number of mental illness hospitalizations among this age group, rising from 12.0 to 16.1 admissions per 10 000 children aged 5 to 14 years. The proportion of mental illness admissions that were repeated hospitalizations also increased during the decade in this age group, from 8.3% in 1990 to 16.4% in 1999. Among adolescents, the proportion of repeated hospitalizations remained stable, accounting for approximately 16% of mental illness admissions each year. However, there were no significant changes over time in the yearly rate of mental illness admissions among adolescents, with a rate of 44.7 admissions per 10 000 adolescents in 1999.

Depressive disorders were the most common primary psychiatric diagnosis in hospitalized youth, accounting for 32% of mental illness hospitalizations among school-aged children and 56% among adolescents. In school-aged children, oppositional defiant disorder accounted for 38% of mental illness hospitalizations, and attention-deficit/hyperactivity disorder and conduct disorder accounted for an additional 16%. Among adolescents, bipolar disorder accounted for 15% of mental illness hospitalizations and schizophrenia for an additional 8%.

Although injuries were the leading cause of hospitalizations in Washington State among school-aged children and adolescents in 1990, the drop in injury hospitalizations across ages and the increase in mental illness hospitalizations among school-aged children have resulted in mental illness surpassing injuries and appendicitis as a cause for hospitalization in adolescents since 1996 and in school-aged children since 1997 (Figure 1).

During the 1990s, the length of stay among school-aged children admitted for mental illness decreased significantly, from a mean of 30.5 days in 1990 to 12.7 days in 1999 (P = .001) (Figure 2). During this time, mental illness consistently accounted for approximately 35% of hospital days among school-aged children. The mean length of stay among adolescents admitted for mental illness decreased as well, although less dramatically, from 13.2 days in 1990 to 9.1 days in 1999 (P = .001). However, the proportion of adolescent hospital days accounted for by mental illness increased significantly during this time, from 30% to 38% (P = .001). During 1999, there were approximately 18 000 mental illness–related hospital days among school-aged children in Washington State and about 16 800 among adolescents.

Place holder to copy figure label and caption
Figure 2.

Mean length of stay by age and primary diagnosis in school-aged children aged 5 to 14 years (A) and in adolescents aged 15 to 19 years (B).

Graphic Jump Location

The definition for mental illness hospitalization in the primary analysis was a conservative one: it did not include youth admitted for suicide attempts whose primary diagnosis was not a mental illness or those who had a psychiatric diagnosis coded as secondary to another problem, such as alcohol or other drug abuse. When drug and alcohol disorders and self-inflicted injuries were included in the category of mental illness, the rate of youth hospitalized for mental illness increased by 6% in school-aged children and 26% in adolescents (Table 1). Self-inflicted injuries accounted for 5% of hospitalizations among adolescents during 1998 to 1999. Alternatively, if hospitalizations for which mental illness was coded in other than the primary diagnosis category were included, the rate increased by 28% in school-aged children and 33% in adolescents.

Table Graphic Jump LocationSensitivity Analysis for Mental Illness Hospitalizations During 1998-1999

Even though overall hospitalization rates decreased markedly during the 1990s, the rates of hospitalization for mental illness remained stable among adolescents and increased significantly among school-aged children. Although injuries are often considered the leading cause of hospitalization among youth,29 hospitalizations for mental illness surpassed those for injuries during the 1990s. While the mean length of stay for mental illness hospitalizations decreased during this period, mental illness accounted for one third of all hospital days by Washington youth aged 5 to 19 years during 1999.

There are multiple potential causes for the decline in the overall hospitalization rates among Washington youth. Increased prevention efforts may have played a role, as may have the shift from inpatient to outpatient management of many conditions prompted by managed care. Although it seems likely that health systems factors that lead to a decrease in overall hospitalization rates would also lead to a decrease in hospitalizations for mental illness, this does not seem to be the case in Washington State. It is possible that the prevalence or severity of mental illness among Washington youth has increased, thereby affecting hospitalization rates. Alternatively, increased recognition of mental illness or changes in treatment patterns and resources may be responsible for these findings.

Specifically, insufficient outpatient resources may contribute to increased hospitalizations via inadequate or delayed outpatient treatment, or because hospitalization may be the only way a youth can access needed mental health treatment in a timely manner. That the mean length of stay for mental illness hospitalizations decreased among school-aged children, while the prevalence of repeated hospitalizations for mental illness was increasing among this age group, raises the possibility that decreased length of stay (whether due to insurance issues or limited bed capacity) is leading to less effective treatment.

The observation that mental illness hospitalization rates increased significantly among school-aged children but not adolescents raises some interesting questions. This, combined with the different distribution of mental illness discharge diagnoses between the age groups, suggests that the increase seen may not be uniform across diagnoses. Of note is the fact that the raw number of admissions for disruptive behavior disorders as a group (attention-deficit/hyperactivity disorder, oppositional defiant disorder, and conduct disorder) among school-aged children more than doubled between 1990 and 1999.

There were several limitations of this analysis. The use of state- rather than national-level data means that the findings may not be generalizable to other regions of the United States. However, recent analyses have shown that mental health care use in Seattle30 and Washington State as a whole31 does not differ significantly from the national average. Although the data set is limited to hospitalizations that occurred within Washington State, some of the patients may have been residents in other states, and some Washington residents may have traveled to other states for hospitalization. While it seems likely that these effects would have canceled each other out, there may have been a small degree of mismatch between the populations used for the numerator and denominator.

Second, the use of administrative data has inherent limitations. We were unable to examine important issues such as severity and prior outpatient use among youth with mental illness. Although we have interpreted the primary discharge diagnosis as the cause of hospitalization, financial and administrative factors may have affected the discharge coding. Still, it remains likely that our use of the primary discharge diagnosis was a specific if not sensitive indicator. In addition, the data used in this analysis did not include sources of inpatient mental health care outside of acute-care hospitals, such as institutional care, substance abuse centers, and private behavioral health centers. Therefore, our findings likely underestimate the true burden of disease.

Despite these limitations, there are several implications of this research. Just as more effective outpatient management of ambulatory-sensitive conditions such as asthma has been successful in reducing hospitalizations, it is possible that a proportion of mental illness hospitalizations may be preventable as well. Improved access to outpatient mental health services may therefore be critical. There are also financial implications of these results. Recent cost-of-care studies suggest that children with mental illness have health care costs 2.5 times those of other children32 and that 33% of mental health care costs are related to inpatient care, $3.9 billion in 1998.33 Such costs highlight the growing need for mental health parity in insurance coverage, especially for children and adolescents. Given the high cost and burden of mental illness, attention should be directed toward effective strategies for the prevention of mental illness and the provision of mental health care in outpatient rather than inpatient settings.

Future research should examine whether similar trends have occurred at the national level. In addition, more research needs to be conducted regarding the effectiveness of inpatient treatment for childhood mental illness and the degree to which such hospitalizations could be prevented via successful outpatient interventions. Although the availability of data limited this analysis to inpatient care, such treatment does not occur in isolation: future research should focus on the transition to outpatient care.

What This Study Adds

This analysis adds a much-needed update regarding the rate of hospitalization for mental illness among youth. While prior studies have explored earlier years, this analysis examined the full span of the 1990s, the same time frame in which managed care came into full force in the United States and rises in psychotropic medication use among youth were observed. Although previous studies have used the rate of hospital admissions as the outcome measure, this analysis investigated that and the prevalence (the proportion of children experiencing a psychiatric hospitalization in a year). We observed that mental illness hospitalizations had increased or remained stable, while overall hospitalizations were dropping. This highlights the need for increased efforts and research regarding the prevention of psychiatric hospitalizations via outpatient sources and the use of effective interventions once youth are in the inpatient setting.

Correspondence: Michelle M. Garrison, MPH, Child Health Institute, University of Washington, Campus Box 358853, Seattle, WA 98195-4920 (garrison@u.washington.edu).

Accepted for publication October 13, 2003.

This study was supported in part by funding from the Annie E. Casey Foundation, Baltimore, Md, and the Nesholm Family Foundation, Seattle. Dr Christakis is a Robert Wood Johnson Generalist Faculty Physician Scholar.

We thank Richard Brandon, PhD, for his insight and support during the early stages of the project, and Cindy Larison, MA, for her technical assistance.

Chabra  AChavez  GF A comparison of long pediatric hospitalizations in 1985 and 1994. J Community Health. 2000;25199- 210
PubMed
Connors  CMillar  WJ Changes in children's hospital use. Health Rep. 1999;119- 21
PubMed
Henderson  JGoldacre  MJFairweather  JSeagroatt  V Time spent in hospital by children as a health care indicator: inter-district comparisons. J Public Health Med. 1992;1435- 38
PubMed
McCormick  MCKass  BElixhauser  AThompson  JSimpson  L Annual report on access to and utilization of health care for children and youth in the United States: 1999. Pediatrics. 2000;105 (pt 3) 219- 230
PubMed
Chabra  AChavez  GFTaylor  D Hospital use by pediatric patients: implications for change. Am J Prev Med. 1997;13 (suppl) 30- 37
PubMed
Chabra  AChavez  GFHarris  ES Mental illness in elementary-school–aged children. West J Med. 1999;17028- 34
PubMed
Chabra  AChavez  GFHarris  ESShah  R Hospitalization for mental illness in adolescents: risk groups and impact on the health care system. J Adolesc Health. 1999;24349- 356
PubMed
Leslie  DLRosenheck  RAHorwitz  SM Patterns of mental health utilization and costs among children in a privately insured population. Health Serv Res. 2001;36 (pt 1) 113- 127
PubMed
McManus  MMcCarthy  EKozak  LJNewacheck  P Hospital use by adolescents and young adults. J Adolesc Health. 1991;12107- 115
PubMed
Burns  BJ Mental health service use by adolescents in the 1970s and 1980s. J Am Acad Child Adolesc Psychiatry. 1991;30144- 150
PubMed
Perry  RKarp  JGPadron-Gayol  M  et al.  Variables associated with length of psychiatric hospitalization of children during the 1980s. Hosp Community Psychiatry. 1992;43390- 391
PubMed
Jensen  PSWatanabe  HKRichters  JECortes  RRoper  MLiu  S Prevalence of mental disorder in military children and adolescents: findings from a two-stage community survey. J Am Acad Child Adolesc Psychiatry. 1995;341514- 1524
PubMed
Breton  JJBergeron  LValla  JP  et al.  Quebec Child Mental Health Survey: prevalence of DSM-III-R mental health disorders. J Child Psychol Psychiatry. 1999;40375- 384
PubMed
Romano  ETremblay  REVitaro  FZoccolillo  MPagani  L Prevalence of psychiatric diagnoses and the role of perceived impairment: findings from an adolescent community sample. J Child Psychol Psychiatry. 2001;42451- 461
PubMed
Steinhausen  HCMetzke  CWMeier  MKannenberg  R Prevalence of child and adolescent psychiatric disorders: the Zurich Epidemiological Study. Acta Psychiatr Scand. 1998;98262- 271
PubMed
Linna  SLMoilanen  I The Finnish National Epidemiological Study of Child Psychiatric Disorders: results from prevalence screening in northern Finland. Arctic Med Res. 1994;53 (suppl 1) 7- 11
PubMed
Reinherz  HZGiaconia  RMLefkowitz  ESPakiz  BFrost  AK Prevalence of psychiatric disorders in a community population of older adolescents. J Am Acad Child Adolesc Psychiatry. 1993;32369- 377
PubMed
Wittchen  HUNelson  CBLachner  G Prevalence of mental disorders and psychosocial impairments in adolescents and young adults. Psychol Med. 1998;28109- 126
PubMed
Shaffer  DFisher  PDulcan  MK  et al.  The NIMH Diagnostic Interview Schedule for Children Version 2.3 (DISC-2.3): description, acceptability, prevalence rates, and performance in the MECA Study: Methods for the Epidemiology of Child and Adolescent Mental Disorders Study. J Am Acad Child Adolesc Psychiatry. 1996;35865- 877
PubMed
Spady  DWSchopflocher  DPSvenson  LWThompson  AH Prevalence of mental disorders in children living in Alberta, Canada, as determined from physician billing data. Arch Pediatr Adolesc Med. 2001;1551153- 1159
PubMed
Leaf  PJAlegria  MCohen  P  et al.  Mental health service use in the community and schools: results from the four-community MECA Study: Methods for the Epidemiology of Child and Adolescent Mental Disorders Study. J Am Acad Child Adolesc Psychiatry. 1996;35889- 897
PubMed
Wu  PHoven  CWBird  HR  et al.  Depressive and disruptive disorders and mental health service utilization in children and adolescents. J Am Acad Child Adolesc Psychiatry. 1999;381081- 1092
PubMed
Cornelius  JRPringle  JJernigan  JKirisci  LClark  DB Correlates of mental health service utilization and unmet need among a sample of male adolescents. Addict Behav. 2001;2611- 19
PubMed
Not Available, Mental Health: A Report of the Surgeon General.  Rockville, Md US Dept of Health and Human Services1999;
Flisher  AJKramer  RAGrosser  RC  et al.  Correlates of unmet need for mental health services by children and adolescents. Psychol Med. 1997;271145- 1154
PubMed
Bussing  RZima  BTPerwien  ARBelin  TRWidawski  M Children in special education programs: attention deficit hyperactivity disorder, use of services, and unmet needs. Am J Public Health. 1998;88880- 886
PubMed
Feinberg  ESwartz  KZaslavsky  AGardner  JWalker  DK Family income and the impact of a children's health insurance program on reported need for health services and unmet health need. Pediatrics [serial online]. 2002;109E29
PubMed
Mansour  MEKotagal  UPDeWitt  TGRose  BSherman  SN Urban elementary school personnel's perceptions of student health and student health needs. Ambul Pediatr. 2002;2127- 131
PubMed
Graves  EJ 1988 summary: National Hospital Discharge Survey. Adv Data. 1990;1851- 11
PubMed
Sturm  RAndreyeva  TRingel  J Variations in mental health specialty care across metropolitan areas. Psychiatr Serv. 2002;53674
PubMed
Sturm  RRingel  JAndreyeva  T Geographic disparities in children's mental health care. Pediatrics [serial online]. 2003;112E308- E315
PubMed
Glied  SNeufeld  A Service system finance: implications for children with depression and manic depression. Biol Psychiatry. 2001;491128- 1135
PubMed
Not Available, Blueprint for Change: Research on Child and Adolescent Mental Health.  Washington, DC National Advisory Mental Health Council Workgroup on Child and Adolescent Mental Health Intervention Development and Deployment2001;

Figures

Place holder to copy figure label and caption
Figure 1.

Rates of youth hospitalized by age group and primary diagnosis in school-aged children aged 5 to 14 years (A) and in adolescents aged 15 to 19 years (B).

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.

Mean length of stay by age and primary diagnosis in school-aged children aged 5 to 14 years (A) and in adolescents aged 15 to 19 years (B).

Graphic Jump Location

Tables

Table Graphic Jump LocationSensitivity Analysis for Mental Illness Hospitalizations During 1998-1999

References

Chabra  AChavez  GF A comparison of long pediatric hospitalizations in 1985 and 1994. J Community Health. 2000;25199- 210
PubMed
Connors  CMillar  WJ Changes in children's hospital use. Health Rep. 1999;119- 21
PubMed
Henderson  JGoldacre  MJFairweather  JSeagroatt  V Time spent in hospital by children as a health care indicator: inter-district comparisons. J Public Health Med. 1992;1435- 38
PubMed
McCormick  MCKass  BElixhauser  AThompson  JSimpson  L Annual report on access to and utilization of health care for children and youth in the United States: 1999. Pediatrics. 2000;105 (pt 3) 219- 230
PubMed
Chabra  AChavez  GFTaylor  D Hospital use by pediatric patients: implications for change. Am J Prev Med. 1997;13 (suppl) 30- 37
PubMed
Chabra  AChavez  GFHarris  ES Mental illness in elementary-school–aged children. West J Med. 1999;17028- 34
PubMed
Chabra  AChavez  GFHarris  ESShah  R Hospitalization for mental illness in adolescents: risk groups and impact on the health care system. J Adolesc Health. 1999;24349- 356
PubMed
Leslie  DLRosenheck  RAHorwitz  SM Patterns of mental health utilization and costs among children in a privately insured population. Health Serv Res. 2001;36 (pt 1) 113- 127
PubMed
McManus  MMcCarthy  EKozak  LJNewacheck  P Hospital use by adolescents and young adults. J Adolesc Health. 1991;12107- 115
PubMed
Burns  BJ Mental health service use by adolescents in the 1970s and 1980s. J Am Acad Child Adolesc Psychiatry. 1991;30144- 150
PubMed
Perry  RKarp  JGPadron-Gayol  M  et al.  Variables associated with length of psychiatric hospitalization of children during the 1980s. Hosp Community Psychiatry. 1992;43390- 391
PubMed
Jensen  PSWatanabe  HKRichters  JECortes  RRoper  MLiu  S Prevalence of mental disorder in military children and adolescents: findings from a two-stage community survey. J Am Acad Child Adolesc Psychiatry. 1995;341514- 1524
PubMed
Breton  JJBergeron  LValla  JP  et al.  Quebec Child Mental Health Survey: prevalence of DSM-III-R mental health disorders. J Child Psychol Psychiatry. 1999;40375- 384
PubMed
Romano  ETremblay  REVitaro  FZoccolillo  MPagani  L Prevalence of psychiatric diagnoses and the role of perceived impairment: findings from an adolescent community sample. J Child Psychol Psychiatry. 2001;42451- 461
PubMed
Steinhausen  HCMetzke  CWMeier  MKannenberg  R Prevalence of child and adolescent psychiatric disorders: the Zurich Epidemiological Study. Acta Psychiatr Scand. 1998;98262- 271
PubMed
Linna  SLMoilanen  I The Finnish National Epidemiological Study of Child Psychiatric Disorders: results from prevalence screening in northern Finland. Arctic Med Res. 1994;53 (suppl 1) 7- 11
PubMed
Reinherz  HZGiaconia  RMLefkowitz  ESPakiz  BFrost  AK Prevalence of psychiatric disorders in a community population of older adolescents. J Am Acad Child Adolesc Psychiatry. 1993;32369- 377
PubMed
Wittchen  HUNelson  CBLachner  G Prevalence of mental disorders and psychosocial impairments in adolescents and young adults. Psychol Med. 1998;28109- 126
PubMed
Shaffer  DFisher  PDulcan  MK  et al.  The NIMH Diagnostic Interview Schedule for Children Version 2.3 (DISC-2.3): description, acceptability, prevalence rates, and performance in the MECA Study: Methods for the Epidemiology of Child and Adolescent Mental Disorders Study. J Am Acad Child Adolesc Psychiatry. 1996;35865- 877
PubMed
Spady  DWSchopflocher  DPSvenson  LWThompson  AH Prevalence of mental disorders in children living in Alberta, Canada, as determined from physician billing data. Arch Pediatr Adolesc Med. 2001;1551153- 1159
PubMed
Leaf  PJAlegria  MCohen  P  et al.  Mental health service use in the community and schools: results from the four-community MECA Study: Methods for the Epidemiology of Child and Adolescent Mental Disorders Study. J Am Acad Child Adolesc Psychiatry. 1996;35889- 897
PubMed
Wu  PHoven  CWBird  HR  et al.  Depressive and disruptive disorders and mental health service utilization in children and adolescents. J Am Acad Child Adolesc Psychiatry. 1999;381081- 1092
PubMed
Cornelius  JRPringle  JJernigan  JKirisci  LClark  DB Correlates of mental health service utilization and unmet need among a sample of male adolescents. Addict Behav. 2001;2611- 19
PubMed
Not Available, Mental Health: A Report of the Surgeon General.  Rockville, Md US Dept of Health and Human Services1999;
Flisher  AJKramer  RAGrosser  RC  et al.  Correlates of unmet need for mental health services by children and adolescents. Psychol Med. 1997;271145- 1154
PubMed
Bussing  RZima  BTPerwien  ARBelin  TRWidawski  M Children in special education programs: attention deficit hyperactivity disorder, use of services, and unmet needs. Am J Public Health. 1998;88880- 886
PubMed
Feinberg  ESwartz  KZaslavsky  AGardner  JWalker  DK Family income and the impact of a children's health insurance program on reported need for health services and unmet health need. Pediatrics [serial online]. 2002;109E29
PubMed
Mansour  MEKotagal  UPDeWitt  TGRose  BSherman  SN Urban elementary school personnel's perceptions of student health and student health needs. Ambul Pediatr. 2002;2127- 131
PubMed
Graves  EJ 1988 summary: National Hospital Discharge Survey. Adv Data. 1990;1851- 11
PubMed
Sturm  RAndreyeva  TRingel  J Variations in mental health specialty care across metropolitan areas. Psychiatr Serv. 2002;53674
PubMed
Sturm  RRingel  JAndreyeva  T Geographic disparities in children's mental health care. Pediatrics [serial online]. 2003;112E308- E315
PubMed
Glied  SNeufeld  A Service system finance: implications for children with depression and manic depression. Biol Psychiatry. 2001;491128- 1135
PubMed
Not Available, Blueprint for Change: Research on Child and Adolescent Mental Health.  Washington, DC National Advisory Mental Health Council Workgroup on Child and Adolescent Mental Health Intervention Development and Deployment2001;

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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Indicate what change(s) you will implement in your practice, if any, based on this CME course.
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For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).
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