National estimates of antidepressant medication use among U.S. children, 1997-2002
Benedetto Vitiello1, Samuel H Zuvekas1, Grayson S Norquist1
1Dr. Vitiello is with the Child and Adolescent Treatment and Preventive Intervention Research Branch, National Institute of Mental Health, Bethesda, MD; Dr. Zuvekas is with the Division of Social and Economic Research, Center for Financing, Access, and Cost Trends, Agency for Health Care Research and Quality, Rockville, MD; and Dr. Norquist is with the Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS.
Insights
Pediatric antidepressant use rose nationally from 1997 to 2002, primarily driven by adolescents using newer medications. Use stabilized in adolescents after 2000 and remained unchanged in younger children.
Area of Science:
- Pediatric Psychiatry
- Public Health
- Pharmacology
Background:
- Antidepressant use in children under 18 increased threefold between 1987 and 1996.
- Previous trends indicated a significant rise in pediatric antidepressant prescriptions.
Purpose of the Study:
- To assess the national trends in pediatric antidepressant use from 1997 to 2002.
- To identify demographic and medication-specific patterns in this usage.
Main Methods:
- Analysis of the Medical Expenditure Panel Survey (MEPS) database from 1997-2002.
- MEPS is a nationally representative survey of U.S. households.
- Response rates for MEPS ranged from 64% to 68%.
Main Results:
- Antidepressant use in children increased from 0.9 million in 1997 to 1.4 million in 2002.
- The percentage of child users rose from 1.3% to 1.8%, with adolescents driving this increase.
- Selective serotonin reuptake inhibitors (SSRIs) and newer antidepressants accounted for the rise, while TCA use declined in younger children.
Conclusions:
- Pediatric antidepressant use, particularly SSRIs, continued to rise in adolescents until 2000, then stabilized through 2002.
- Antidepressant use remained stable in children younger than 13.
- Usage patterns varied by age group, with adolescents showing the most significant changes.
Objective:
A threefold increase in the use of antidepressants has been reported among children (18 years old and younger) between 1987 (0.3%) and 1996 (1.0%). The aim of this study was to determine whether pediatric use of antidepressants continued to rise at a national level during the period 1997-2002.
Method:
The Medical Expenditure Panel Survey (MEPS) database for the years 1997-2002 was analyzed. The MEPS is a yearly survey of a nationally representative sample of civilian, noninstitutionalized U.S. households, conducted by the U.S. Agency for Healthcare Research and Quality. Overall response rate ranged between 64% and 68%.
Results:
An estimated 1.4 million (95% confidence interval [CI] 1.1-1.7) children received antidepressant medication in 2002 as compared to 0.9 million (95% CI 0.7-1.2) in 1997 (p = .01). The percentage of users increased from 1.3% (95% CI 0.9-1.6) in 1997 to 1.8% (95% CI 1.5-2.1) in 2002 (p < .01). Adolescent use (2.1% in 1997 versus 3.9% in 2002 (p < .001) accounted for the increase, with no change among children younger than 13 years. Also among adolescents, the use rate remained stable during the 2000-2002 period. The increase was caused by use of selective serotonin reuptake inhibitors and other newer antidepressants, whereas use of TCAs remained stable in adolescents (p = .84) and declined in prepubertal children (p = .04). Antidepressant use was similar among males and females and higher among whites than blacks and Hispanics.
Conclusions:
Nationwide, the use of selective serotonin reuptake inhibitor antidepressant medications continued to increase in adolescents in the late 1990s and until the year 2000, with no further increase through 2002, and remained stable in prepubertal children.
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