YOUTH: A health plan-based lifestyle intervention increases bone mineral density in adolescent girls

Lynn L. DeBar, Cheryl Ritenbaugh, Mikel Aickin, Eric Orwoll, Diane Elliot, John Dickerson, Nancy Vuckovic, Victor J. Stevens, Esther Moe, Lori M. Irving

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Objective: To test the efficacy of a health plan-based lifestyle intervention to increase bone mineral density in adolescent girls. Design: Two-year randomized, controlled trial. Setting: Large health maintenance organization. Participants: Girls 14 to 16 years old with body mass index below the national median. Intervention: Behavioral intervention (bimonthly group meetings, quarterly coaching telephone calls, and weekly self-monitoring) designed to improve diet and increase physical activity. Main Outcome Measures: Total bone mineral density was measured by dual-energy x-ray absorptiometry. Behavioral outcomes included intake of calcium, vitamin D, soda, and fruits and vegetables; high-impact and strength-training physical activity; measures of strength and fitness; and biomarkers (osteocalcin and naltrexone). Results: Compared with control subjects, girls in the intervention group had significantly higher bone mineral density in the spine and trochanter regions during the first study year, which was maintained during the second study year. The naltrexone biomarker demonstrated a greater relative decrease in the intervention group compared with the control group, with nonsignificant changes in osteocalcin consistent with more bone building in the intervention group. Participants in the intervention group reported significantly greater consumption of calcium in both study years, vitamin D in the first year, and fruits and vegetables in both years. We found no effect on soda consumption or target exercise rates. Conclusions: A comprehensive health care-based lifestyle intervention can effectively improve dietary intake and increase bone mineral gains in adolescent girls. To our knowledge, this study is the first to significantly improve bone mass in adolescent girls in a non-school-based intervention.

Original languageEnglish (US)
Pages (from-to)1269-1276
Number of pages8
JournalArchives of Pediatrics and Adolescent Medicine
Volume160
Issue number12
DOIs
StatePublished - Dec 2006

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Bone Density
Life Style
Health
Naltrexone
Osteocalcin
Exercise
Bone and Bones
Vitamin D
Vegetables
Fruit
Biomarkers
Comprehensive Health Care
Calcium
Group Processes
Resistance Training
Health Maintenance Organizations
Telephone
Femur
Minerals
Teaching

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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YOUTH : A health plan-based lifestyle intervention increases bone mineral density in adolescent girls. / DeBar, Lynn L.; Ritenbaugh, Cheryl; Aickin, Mikel; Orwoll, Eric; Elliot, Diane; Dickerson, John; Vuckovic, Nancy; Stevens, Victor J.; Moe, Esther; Irving, Lori M.

In: Archives of Pediatrics and Adolescent Medicine, Vol. 160, No. 12, 12.2006, p. 1269-1276.

Research output: Contribution to journalArticle

DeBar, Lynn L. ; Ritenbaugh, Cheryl ; Aickin, Mikel ; Orwoll, Eric ; Elliot, Diane ; Dickerson, John ; Vuckovic, Nancy ; Stevens, Victor J. ; Moe, Esther ; Irving, Lori M. / YOUTH : A health plan-based lifestyle intervention increases bone mineral density in adolescent girls. In: Archives of Pediatrics and Adolescent Medicine. 2006 ; Vol. 160, No. 12. pp. 1269-1276.
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