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INTRODUCTION
The effectiveness of a health care system is measured not only
in how it treats sickness or disease, but in how it utilizes prevention
to maintain a population’s health. Through services such as
prenatal care and immunization, as well as promotion of healthy
choices in life, prevention is critical in assuring that children
are born healthy and that they maintain good health as they grow
older. These choices affect both children and their families, beginning
early in pregnancy and continuing throughout childhood, adolescence,
and young adulthood, and require the continuing effort of individuals,
communities, and health care providers.
As of July 2003, there were 81.2 million children ages 19 and
under in the U.S., and another 20.7 million young adults ages 20
to 24. The indicators in this book demonstrate that we have thus
far achieved mixed success in promoting the health of these children
and their families. For instance, although rates of maternal and
infant mortality have dropped dramatically in the past century,
the U.S. still has one of the highest rates of infant death in the
industrialized world. In 2002, of every 1,000 live births, 7 babies
died in their first year of life, and in some communities the rate
of infant mortality is much higher. In 2000 the U.S. infant mortality
rate was 27th among industrialized nations.
One important means of preventing infant mortality is improving
the health of infants at birth. The rate of low birth weight (LBW)
— a weight of less than 2500 grams (5.8 pounds) at birth —
has been steadily increasing since 1985, when LBW babies represented
6.8 percent of live births; in 2002, 7.8 percent of all live births
were of low weight. Very low birth weight (VLBW) babies —
those weighing less than 1500 grams — represented 1.5 percent
of births. VLBW babies are particularly likely to have long-term
health and developmental problems.
Good health care during pregnancy is a preventive strategy that
assures the health of both mother and child. Overall, early entry
into prenatal care (in the first 3 months of pregnancy) has been
improving, reaching 83.7 percent of pregnant women in 2002. Unfortunately,
this rate is lower for younger women as well as Black and Hispanic
women. Some pregnant women (3.6 percent in 2002) go without prenatal
care entirely or forgo these services until the third trimester
of their pregnancy.
Good breastfeeding habits are another important step that parents
can take to assure the health of their babies. Breast milk has a
number of preventive health benefits for both mother and child.
The benefits of breastfeeding include prevention of diarrhea and
infections in infants, as well as long-term preventive effects for
the mother, including earlier return to pre-pregnancy weight and
reduced risk of premenopausal breast cancer and osteoporosis. In
2002, 70.1 percent of mothers breastfed in the hospital, the highest
rate yet recorded. However, rates of breastfeeding decline dramatically
after the initial months of life, and only 33.2 percent of mothers
report that they are still breastfeeding their infants at 6 months
of age. These rates are lowest among Black mothers, with 53.9 percent
reporting breastfeeding in the hospital, and only 19.2 breastfeeding
at 6 months.
As children grow older, prevention efforts are aimed at avoiding
injuries and adopting healthy habits for adulthood. Unintentional
injuries — most of which are preventable — are the leading
cause of death for children aged 1-14, causing the deaths of 4,359
children in 2002. The leading causes of death due to all injuries
for this age group were motor vehicle crashes, drowning, firearms,
and fires. This varies by age group, as fire is a major cause of
injury death among young children, while firearms more often affect
older children.
Prevention efforts appear to be succeeding in reducing rates of
pediatric Acquired Immune Deficiency Syndrome (AIDS). Only 158 new
cases of AIDS in children under age 13 were reported in 2002, which
represents a drastic reduction over the past decade. Much of this
reduction is due to prevention efforts, including an increase in
treatment for pregnant women before, during, and after birth to
reduce perinatal HIV transmission. A 1994 recommendation by the
U.S. Public Health Service that all pregnant women receive such
treatments, and a 1995 recommendation for HIV counseling and voluntary
testing among all pregnant women, have helped to reduce transmission
rates.
Immunization is probably the preventive health service that is
most recognized among the public. Vaccines are available for such
public health threats as measles, mumps, rubella (German measles),
polio, diphtheria, tetanus, pertussis (whooping cough), and H. Influenzae
type b (the bacterium that causes meningitis). A 2002-2003 survey
released by the Centers for Disease Control and Prevention shows
that 77.9 percent of children aged 19-35 months have been immunized
with the recommended series of vaccines. Although this is a huge
public health success, significant progress is still needed to reach
the 2010 goal of immunizing at least 90 percent of children by 35
months of age. Dental care is another important preventive service,
one that too few children receive regularly. Overall, 70.6 percent
of children visited a dentist within the past year, but among children
from low-income families, this proportion was only 61.7 percent.
According to the U.S. Surgeon General, dental caries is the single
most common chronic disease among children, and it can be prevented
with regular dental care.
Adolescence is a time of risk-taking, but it is also the time
when life-long health habits are formed. The indicators in this
book show improvement in some areas of adolescent health, but teens
are still exposed to a number of risks that threaten both their
health and their potential for independence and success in life,
such as unplanned childbearing. Childbearing among adolescents has
been declining in recent years, and in 2002 rates reached an historic
low of 43 births per 1,000 teens ages 15 to 19. This represents
a 30 percent decrease in adolescent childbearing since 1991. The
greatest decrease in adolescent childbearing has been among Black
youth, with a 42 percent decline from 1991 to 2002. Although there
has been a decline among all racial and ethnic groups, Hispanic
youth have experienced the least dramatic decline; the rate among
Hispanics has dropped only 20 percent, leaving them with the highest
rate — 83.4 births per 1,000 teens in 2002.
Although smoking remains a major threat to the health of adolescents,
prevention efforts have resulted in a large decline in cigarette
use among teens. Among 8th graders, reports of cigarette use over
a 30-day period declined 51.4 percent between 1996-97 and 2003.
There were smaller, although still significant, drops in cigarette
smoking among 10th and 12th graders, as well (45 percent and 33
percent, respectively).
Regular, vigorous exercise is another health habit with benefits
that can last a lifetime. Overall, almost two-thirds of high school
students regularly participated in sufficient vigorous physical
activity in 2003, and nearly one-quarter participated in sufficient
moderate activity. These proportions have declined slightly since
2001, but more students report playing on one or more sports teams
and being enrolled in physical education classes.
Treatment for mental, emotional, and behavioral problems can be
a critical component of adolescent health care. Nationally, nearly
20 percent of teens received mental health treatment or counseling
in 2002, primarily for feelings of depression, breaking rules or
acting out, suicidal thoughts or attempts, and feeling very afraid
or tense. The most common sources of this treatment were private
therapists, followed by school counselors or psychologists.
As many of the statistics here reveal, mental health and well-being
is a critical component of children’s overall health. Mental
disorders are the leading cause of hospitalizations for children
aged 10 to 14 and the second leading cause of hospitalizations for
adolescents. Suicide is the third leading cause of death for adolescents
and is the fifth leading cause of death for 5- to 14-year-olds.
Certain high-risk factors, such as poverty and maternal depression,
also affect a child’s well-being and overall health. Screening
for mental health and substance abuse problems, as appropriate,
intervening early, and providing access and linkages to services
and supports can help to prevent the tragic consequences of mental
health and/or substance abuse problems and mental and/or addictive
disorders for children and their families.
Health insurance is critical in assuring that children receive
both the preventive and treatment services they need. In 2002, 12
percent (8.5 million) children under 18 were without health coverage.
Over one-fourth (26.8 percent) were covered under public insurance.
The State Children’s Health Insurance Program (SCHIP), created
under the Balanced Budget Act of 1997, allows States to extend comprehensive
insurance to children in low-income families who are not eligible
for the Medicaid program. As of the end of Federal Fiscal Year 2003,
5.8 million children had been enrolled in SCHIP since its inception.
As of 2002, children in families at 200 percent of the Federal Poverty
Level (FPL) were eligible for insurance through Medicaid or SCHIP
in 26 States. In another 12 States, the eligibility level exceeded
235 percent of the FPL. The statistics presented in Child Health
USA 2004 are essential for both appreciating America’s
numerous public health achievements and recognizing the challenges
that we still face. Prevention and health promotion include a range
of public health strategies including providing access to knowledge,
skills, and tools; providing drug-free activities for youth; identifying
risk factors and linking people to services and supports; building
community processes, such as coalitions; and environmental approaches
that promote policy changes. These prevention efforts are vital
if we are to continue the improvements that we are making in the
health and well-being of America’s children and families.
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