
Maternal and Child Health Library
This and past issues of the MCH Alert are available at http://www.mchlibrary.info/alert/archives.html.
December 15, 2006
1. Policy Center Releases Second Report on Innovative
Approaches for Improving Pediatric Subspecialty Care
2. Fact Sheets on Suicide and Mortality Among Adolescents
and Young Adults Updated
3. Mental Health National Anti-Stigma Campaign Launches
New Web Site
4. Authors Review School-Based Obesity-Prevention
Research, Challenges, and Recommendations
5. Article Assesses Trends in Physical Activity and
Sedentary Behavior During Adolescence
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1. POLICY CENTER RELEASES SECOND REPORT ON INNOVATIVE APPROACHES FOR
IMPROVING PEDIATRIC SUBSPECIALTY CARE
Promising State and Regional Approaches for Extending Access to
Pediatric Subspecialty Care and Coordination with Primary Care presents
13 examples of exemplary efforts to extend the geographic reach of
pediatric subspecialty care and to enhance the capacity of pediatric
health professionals to identify and manage chronic conditions. The
report is the second in a series of promising practices reports
prepared by the Federal Expert Work Group on Pediatric Subspecialty
Capacity, convened by the Maternal and Child Health Policy Resource
Center with support from the Maternal and Child Health Bureau. The
report is divided into three sections. The first section describes the
rationale for strengthening state and regional networks of pediatric
subspecialty care within the context of the medical home and the major
barriers affecting the expansion of state and regional pediatric
specialty systems linked with primary care. The second section contains
descriptions of 13 promising state and regional pediatric delivery
networks. The third section identifies promising features of state and
regional pediatric subspecialty arrangements. The report is available
at http://www.mchpolicy.org/practice/documents/StateandRegionalPromisingPractices.pdf.
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2. FACT SHEETS ON SUICIDE AND MORTALITY AMONG ADOLESCENTS AND YOUNG
ADULTS UPDATED
The National Adolescent Health Information Center has released two
updated fact sheets containing the most recent available data on
suicide and mortality among adolescents and young adults (ages 10-24).
The 2006 fact sheets, produced with support from the Maternal and Child
Health Bureau, highlight key findings and present data on mortality and
suicide rates (in color-coded figures and text) by age, gender, cause,
and race and ethnicity. Information about the data sources and other
notes are also included. The 2006 Fact Sheet on Suicide: Adolescents
& Young Adults is available at http://nahic.ucsf.edu/download.php?f=/downloads/Suicide.pdf;
the 2006 Fact Sheet on Mortality: Adolescents & Young Adults is
available at http://nahic.ucsf.edu/download.php?f=/downloads/Mortality.pdf.
A list of other NAHIC-produced briefs and fact sheets is available at
http://nahic.ucsf.edu/index.php/data/article/briefs_fact_sheets.
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3. MENTAL HEALTH NATIONAL ANTI-STIGMA CAMPAIGN LAUNCHES NEW WEB SITE
What a Difference a Friend Makes is designed to decrease the negative
attitudes that surround mental illness and encourage young adults (ages
18-25) to support their friends who are living with mental illness. The
Web site was launched by the Ad Council and the Substance Abuse and
Mental Health Services Administration in partnership with other federal
agencies, state mental health agencies, leading researchers on stigma,
and a broad coalition of stakeholders. Content is based on research
demonstrating that the prevalence of serious mental illness among young
adults (ages 18-25) is almost double that of the general population,
and that this age group shows the lowest rate of help-seeking
behaviors. The site includes tools to help in the recovery process,
information about different kinds of mental illnesses, true stories
about support and recovery, and an interactive video about how friends
can make a difference. A search tool is provided to help locate mental
health services by state and territory. The Web site also contains
public service announcements for television and radio that illustrate
how friendship may be the key to recovery. The resources are intended
for use by health professionals and others working to minimize future
disability by broadening social acceptance and ensuring that young
adults with mental illness receive the early support and services they
need. The Web site is available at
http://www.whatadifference.samhsa.gov.
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4. AUTHORS REVIEW SCHOOL-BASED OBESITY-PREVENTION RESEARCH, CHALLENGES,
AND RECOMMENDATIONS
"Choosing which obesity prevention components to include in a
curriculum should be based on the evidence," state the authors of an
article published in the December 2006 issue of the Journal of School
Health. Schools are an important venue for primary prevention, and
evaluation of the prevention research conducted in school-based
populations can provide school health officials and others with useful
information. The article presents a review of school-based randomized
controlled trials (RCTs) aimed at reducing body weight or preventing
weight gain. The authors review basic childhood obesity assessment,
present an overview of successful school-based RCTs, and discuss
challenges and future recommendations.
A literature search was conducted for the years 1985-2004 in MEDLINE,
CINAHL, PsycINFO, and the Cochrane Database of Systematic Reviews.
Bibliographies of identified papers and review articles, recent book
chapters on obesity prevention in children and adolescents, and Web
sites of professional organizations and government agencies were also
reviewed. Selection criteria included the following: (1) RCTs; (2)
studies including BMI for age and gender as an outcome; (3) studies
conducted in U.S. schools during the school day; (4) studies with
students in elementary, middle, or high school; and (5) publication in
a peer-reviewed journal. The literature search yielded 23 research
studies addressing childhood-obesity prevention, 12 of which met the
inclusion criteria.
The authors found that two types of programs have potential for
reducing childhood obesity:
- For older students, classroom instruction and physical education
can promote moderate to vigorous physical activity both in and out of
school, especially for adolescent girls.
- Younger students benefit from behavior-change programs that
reduce sedentary behavior.
Based on the findings, the authors offer the following conclusions:
- Classroom programming should provide behavior-modification
strategies to help students and their families reduce the amount of
fast food, high-sugar drinks, and high-fat foods they consume and
increase fruit and vegetable consumption. In addition, food service
must be involved in obesity-prevention initiatives, and sales of
unhealthy foods for fundraising purposes should be restricted.
- Physical education that promotes at least 30 minutes of vigorous
activity three to five times a week is the goal. Achieving this with a
cumulative approach through physical education classes, intramural
sports, and before- and after-school programs is recommended.
- Schools must consider the reduction of sedentary behavior as a
separate issue from increasing physical activity. Classroom programs
for reducing sedentary behavior should use a behavior-change approach,
start in the early grades, and be repeated every few years.
Budd GM, Volpe SL. 2006. School-based obesity prevention: Research,
challenges, and recommendations. Journal of School Health
76(10):485-495. Abstract available at http://www.blackwell-synergy.com/doi/abs/10.1111/j.1746-1561.2006.00149.x.
Readers: More information is available from Bright Futures in Practice:
Physical Activity at http://www.brightfutures.org/physicalactivity/about.htm
and Bright Futures in Practice: Nutrition at http://www.brightfutures.org/inpractice.html;
and from the MCH Library's knowledge paths, Child and Adolescent
Nutrition, at http://www.mchlibrary.info/KnowledgePaths/kp_childnutr.html,
Overweight in Children and Adolescents, at http://www.mchlibrary.info/KnowledgePaths/kp_overweight.html,
and Physical Activity and Children and Adolescents at http://www.mchlibrary.info/KnowledgePaths/kp_phys_activity.html,
from the bibliographies, Childhood Nutrition, at http://www.mchlibrary.info/action.lasso?-database=Biblio&-layout=Web&-response=/databases/BibLists/bib_chldnutr.html&-MaxRecords=all&-DoScript=auto_search_chldnutr&-search,
School Health Education, at http://www.mchlibrary.info/action.lasso?-database=Biblio&-layout=Web&-response=/databases/BibLists/bib_schlthed.html&-MaxRecords=all&-DoScript=auto_search_schlthed&-search
and School Health Services at http://www.mchlibrary.info/action.lasso?-database=Biblio&-layout=Web&-response=/databases/BibLists/bib_schlthserv.html&-MaxRecords=all&-DoScript=auto_search_schlthserv&-search;
and from the organizations resource list, Nutrition, at http://www.mchlibrary.info/action.lasso?-database=Organizations&-layout=Web&-response=/databases/OrgLists/orgs_nutrition.html&-MaxRecords=all&-DoScript=auto_search_nutrition&-search.
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5. ARTICLE ASSESSES TRENDS IN PHYSICAL ACTIVITY AND SEDENTARY BEHAVIOR
DURING ADOLESCENCE
"Our findings indicate that adolescents are experiencing unfavorable
shifts in activity patterns, such as longitudinal decreases in MVPA
[moderate to vigorous physical activity], coupled with longitudinal and
secular increases in sedentary behaviors that are attributable
specifically to computer use," state the authors of an article
published in the December 2006 issue of Pediatrics Electronic Pages.
Low levels of MVPA and high levels of sedentary behavior have been
shown to be associated with obesity. Project EAT-1 (Eating Among Teens)
and Project Eat II (a follow-up study) follow a large cohort of
individuals longitudinally through various stages of the adolescent
transition to young adulthood. These studies have provided the unique
opportunity to examine important health behavior trends that are
occurring concurrently as a result of age (longitudinal trends from
early to mid-adolescence and from mid-adolescence to late adolescence)
and time (secular trends in mid-adolescence, from 1999 to 2004). The
objective of the study described in this article was to evaluate these
5-year longitudinal and secular trends in MVPA, television viewing, and
leisure-time computer use in a large, diverse cohort of adolescents.
Project Eat-II (N=2,516) is a follow-up study of Project EAT-1, a study
of the socioenvironmental, personal, and behavioral determinants of
dietary intake and weight status among a large and ethnically diverse
adolescent population. The main outcomes measures of the mixed-model
regression analyses used in this research were self-reported weekly
hours of MVPA, television or videotape viewing, and leisure-time
computer use.
The authors found that
- The mean age of project EAT-1 participants was 12.8 and of EAT-II
participants was 17.2.
- MVPA among female adolescents declined dramatically from 5.9 to
3.9 hours per week during the transition from early to mid-adolescence
and from 5.1 to 3.5 hours per week during the transition from mid- to
late adolescence.
- Among female adolescents making the transition from early to
mid-adolescence, television and videotape viewing time decreased
significantly, by 2.2 hours per week, and leisure-time computer use
showed a nonsignificant trend toward increasing.
- Computer use significantly increased among older female
adolescents during the transition from mid- to late adolescence.
- MVPA among male adolescents did not decline during the transition
from early to mid-adolescence but did decline significantly from mid-
to late adolescence (from 6.5 to 5.1 hours per week). Leisure-time
computer use increased substantially from both early to mid-adolescence
(from 11.4 to 14.2 hours per week) and from mid- to late adolescence
(from 10.4 to 14.2 hours per week).
- Television viewing time did not change among adolescent males
across the adolescent transition period.
- Between 1999 and 2004, secular trends during mid-adolescence
indicate further striking increases in computer use. Mid-adolescent
males engaged in 10.4 hours of use in 1999, compared with 15.2 hours in
2004. Mid-adolescent females engaged in 2.3 more hours of use per week
in 2004 than in 1999.
- There was no evidence of a secular decline in MVPA between 1999
and 2004 for either female or males adolescents.
The authors conclude that "as the prevalence of obesity continues to
rise in this and other age groups, we need to continue to advance our
understanding of dynamic population-wide trends in behavior patterns,
so as to inform effectively a broad array of health promotion
strategies and public policies that aim to prevent obesity."
Nelson MC, Neumark-Stzainer D, Hannan PJ, et al. 2006.
Longitudinal and secular trends in physical activity and sedentary
behavior during adolescence. Pediatrics Electronic Pages 118:1627-1634.
Abstract available at http://pediatrics.aappublications.org/cgi/content/abstract/118/6/e1627.
Readers: More information about physical activity and adolescents is
available from the Bright Futures and MCH Library Web sites (see note
in item #4 above).
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MCH Alert © 1998-2006 by National Center for Education in Maternal
and
Child Health and Georgetown University. MCH Alert is produced by
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