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Featured researches published by Sheryl Ryan.


Medical Care | 1995

The adolescent child health and illness profile: A population-based measure of health

Barbara Starfield; Anne W. Riley; Bert F. Green; Margaret E. Ensminger; Sheryl Ryan; Kelly J. Kelleher; Sion Kim-Harris; Dennis Johnston; Kelly Vogel

This study was designed to test the reliability and validity of an instrument to assess adolescent health status. Reliability and validity were examined by administration to adolescents (ages 11–17 years) in eight schools in two urban areas, one area in Appalachia, and one area in the rural South. Integrity of the domains and subdomains and construct validity were tested in all areas. Test/retest stability, criterion validity, and convergent and discriminant validity were tested in the two urban areas. Iterative testing has resulted in the final form of the CHIP-AE (Child Health and Illness Profile-Adolescent Edition) having 6 domains with 20 subdomains. The domains are Discomfort, Disorders, Satisfaction with Health, Achievement (of age-appropriate social roles), Risks, and Resilience. Tested aspects of reliability and validity have achieved acceptable levels for all retained subdomains. The CHIP-AE in its current form is suitable for assessing the health status of populations and subpopulations of adolescents. Evidence from test-retest stability analyses suggests that the CHIP-AE also can be used to assess changes occurring over time or in response to health services interventions targeted at groups of adolescents.


Journal of Adolescent Research | 2000

The Validity of Measures of Socioeconomic Status of Adolescents.

Margaret E. Ensminger; Christopher B. Forrest; Anne W. Riley; Myungsa Kang; Bert F. Green; Barbara Starfield; Sheryl Ryan

This study examines the validity of measures of socioeconomic status (SES) as reported by adolescents. Adolescents completed a self-administered questionnaire that included eight measures of SES. Mothers also reported on selected measures of SES. Supporting criterion validity, adolescents and mothers had relatively high agreement on the SES measures. Older adolescents, those less involved in risk behaviors, and those who do better in school gave more accurate SES reports and/or were less likely to have missing SES data. Those in households without fathers were less likely to know fathers’ information. Income was not asked of the adolescents. However, most adolescent-reported SES questions varied systematically and in the expected direction with mothers’income report. In terms of construct validity, the SES measures related to adolescent health measures in the predicted way—that is, those with higher SES were more likely to report better physical and emotional health.


Pediatrics | 2015

The Impact of Marijuana Policies on Youth: Clinical, Research, and Legal Update

Seth Ammerman; Sheryl Ryan; William P. Adelman

This technical report updates the 2004 American Academy of Pediatrics technical report on the legalization of marijuana. Current epidemiology of marijuana use is presented, as are definitions and biology of marijuana compounds, side effects of marijuana use, and effects of use on adolescent brain development. Issues concerning medical marijuana specifically are also addressed. Concerning legalization of marijuana, 4 different approaches in the United States are discussed: legalization of marijuana solely for medical purposes, decriminalization of recreational use of marijuana, legalization of recreational use of marijuana, and criminal prosecution of recreational (and medical) use of marijuana. These approaches are compared, and the latest available data are presented to aid in forming public policy. The effects on youth of criminal penalties for marijuana use and possession are also addressed, as are the effects or potential effects of the other 3 policy approaches on adolescent marijuana use. Recommendations are included in the accompanying policy statement.


Pediatrics | 2006

Short-term persistence of high health care costs in a nationally representative sample of children.

Gregory S. Liptak; Laura P. Shone; Peggy Auinger; Andrew W. Dick; Sheryl Ryan; Peter G. Szilagyi

OBJECTIVES. Little is known about the persistence of health care costs in children. Determining whether children with high health expenses continue to have high expenses over time can help in the development of targeted programs and policies to decrease costs, plan equitable health insurance strategies, and provide insights into the effects of costly conditions on families. The objectives of this study were to (1) identify the characteristics of children who are in the top 10th percentile for health costs, (2) investigate whether those in the top percentiles for costs in 1 year continue in the same percentiles the next year, and (3) identify factors that predict whether a child stays in the top percentiles. METHODS. Data from 2 consecutive years (2000–2001) of the Medical Expenditure Panel Survey were analyzed. Changes in a childs position in the expenditure distribution were examined. An estimated multivariate model conditional on insurance was developed to predict the true resource costs of providing services. Statistical analyses, including logistic-regression and multivariate linear-regression modeling, were done to account for the weighted sampling used in Medical Expenditure Panel Survey. RESULTS. A total of 2938 children were included in the survey for both years. In 2000, the top 10% of the children accounted for 54% of all costs. They had a mean total expenditure of


Injury Prevention | 1996

Behavior and injury in urban and rural adolescents.

Anne W. Riley; Sion Kim Harris; Margaret E. Ensminger; Sheryl Ryan; Cheryl S. Alexander; Bert F. Green; Barbara Starfield

6422 with out-of-pocket expenditures of


Pediatrics | 2016

Medication-assisted treatment of adolescents with opioid use disorders

Sharon Levy; Sheryl Ryan; Pamela K. Gonzalez; Stephen W. Patrick; Joanna Quigley; Lorena Siqueira; Leslie R. Walker; Vivian B. Faden; Gregory Tau; Renee Jarrett

1236; 49% of the children in the top decile in 2000 persisted in the top decile in 2001, whereas 12% dropped into the bottom half. Children who had been in the top 10% in 2000 were 10 times more likely than other children to be in the top 10% for 2001. Other characteristics in 2000 that predicted membership in the top decile for 2001 included age (11–15 and 16–17 years), having any insurance (public and private), being positive on the standardized Children With Special Health care Need screener, and having a functional limitation. CONCLUSIONS. Almost half of the children in the top 10% for costs in 2000 persisted in the top 10% in 2001. Older children, children with special health care needs, and children with functional limitations were more likely to be in the top decile. These findings do not support the belief that black and Latino children who are on Medicaid account for a disproportionate share of costs or expenditures. Because the children who were among the top 10% used health care services in a variety of inpatient, emergency department, outpatient, and ancillary venues, providing care coordination throughout the entire health care system is important to address both the cost and the quality aspects of health care for the most costly children. Targeted programs to decrease expenditures for those with the greatest costs have the potential to save future health care dollars. Assessment of the factors that predict persistence of high expenditures can be used to help in the planning of equitable health insurance strategies such as catastrophic care, carve-outs, reinsurance, and risk adjustment. Clinicians should review regularly the extent of care coordination that they are providing for their high-need and high-cost patients, especially preteens and adolescents. Studies that examine the persistence of expenditures over longer periods and include assessment of quality of care are needed.


Pediatrics | 2015

The impact of marijuana policies on youth

Seth Ammerman; Sheryl Ryan; William P. Adelman; Sharon Levy; Seth D. Ammerman; Pamela K. Gonzalez; Sheryl A. Ryan; Lorena M. Siqueira; Vincent C. Smith; Vivian B. Faden; Gregory Tau; James Baumberger; Katie Crumley; Renee Jarrett; Paula K. Braverman; Elizabeth M. Alderman; Cora Collette Breuner; David A. Levine; Arik V. Marcell; Rebecca Flynn O'Brien; Margo Lane; Benjamin Shain; Julie Strickland; Lauren B. Zapata; Karen Smith

OBJECTIVES: This study investigates the consistency of factors associated with adolescent injury in separate urban and rural samples. SAMPLES: Adolescents, 11-17 years old, in public schools in urban and rural Maryland (n = 2,712). METHODS: Separate bivariate and logistic regression analyses were conducted for each sample to determine individual and environmental factors associated with major and minor injuries experienced in the previous year. RESULTS: Multivariate analyses revealed that, for both samples, the probability of a major injury was highest for boys and, among both boys and girls, for those who played several team sports. Among rural youth, other significant covariates of both major and minor injuries were a tendency to engage in risky behavior and to use alcohol. For urban youth, being white, carrying a weapon for protection, attending an unsafe school, and working for pay were also significant covariates. Interactions were important and complex. CONCLUSIONS: The consistency of predictive factors, such as multiple sports team participation and risky and aggressive behaviors in completely different physical environments, underscores the need to address the contexts of heightened injury risk that some adolescents create wherever they live by playing sports and/or behaving in an antisocial, aggressive manner. Moreover, the perception of lack of safety in schools and neighborhoods is associated with increased injury rates, suggesting the need for policy interventions to target social environments as well as behavior.


Journal of Adolescent Health | 1996

Puberty questions asked by early adolescents : What do they want to know ?

Sheryl Ryan; Susan G. Millstein; Charles E. Irwin

Opioid use disorder is a leading cause of morbidity and mortality among US youth. Effective treatments, both medications and substance use disorder counseling, are available but underused, and access to developmentally appropriate treatment is severely restricted for adolescents and young adults. Resources to disseminate available therapies and to develop new treatments specifically for this age group are needed to save and improve lives of youth with opioid addiction.


Current Opinion in Pediatrics | 1996

School-based health services.

Sheryl Ryan; Michelle Jones; Michael Weitzman

This policy statement is an update of the American Academy of Pediatrics policy statement “Legalization of Marijuana: Potential Impact on Youth,” published in 2004. Pediatricians have special expertise in the care of children and adolescents and may be called on to advise legislators about the potential impact of changes in the legal status of marijuana on adolescents. Parents also may look to pediatricians for advice as they consider whether to support state-level initiatives that propose to legalize the use of marijuana for medical and nonmedical purposes or to decriminalize the possession of small amounts of marijuana. This policy statement provides the position of the American Academy of Pediatrics on the issue of marijuana legalization. The accompanying technical report reviews what is currently known about the relationships of marijuana use with health and the developing brain and the legal status of marijuana and adolescents’ use of marijuana to better understand how change in legal status might influence the degree of marijuana use by adolescents in the future.


Pediatric Research | 1998

Early Childhood Antecedents of Academic Functioning and Problem Behaviors Among Adolescents † 17

Sheryl Ryan; Peggy Auinger; Michael Weitzman

OBJECTIVE We undertook the following study to document questions asked by early adolescents regarding pubertal development. METHODS As part of a health education program, 159 sixth-grade students (mean = 12.1 years) were surveyed to obtain their questions about puberty and their self-assessed pubertal stage. Questions were coded for content and gender specificity. RESULTS Of 159 initial subjects, 111 generated a total of 200 questions. A majority of the questions reflected biological topics (88%), such as genital physiology (26%) and sexuality and reproduction (26%). Only 6% addressed psychosocial questions. Both females and Asians (compared with other ethnic or racial groups) expressed greater interest in the differences between male and female development (P < .05). Prepubertal males were more concerned about general puberty than were boys in later Tanner stages (P < .05). Earlier maturing males focused on genital anatomy (P < .05). CONCLUSIONS We found that biological questions concerning puberty predominated over psychosocial topics, and that the gender, race or ethnicity, and stage of development determined the kinds of questions that early adolescents have about pubertal development. Health educators and clinicians may need to focus on physiologic areas to provide more meaningful information about development to early adolescents.

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Anne W. Riley

Johns Hopkins University

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Cheryl Kodjo

University of Rochester

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Bert F. Green

Johns Hopkins University

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Myungsa Kang

Johns Hopkins University

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