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Early Predictors of Obesity and Cardiovascular Risk Among American Indian Children

Abstract  

American Indian (AI) children have the highest rates of obesity among ethnic groups in the United States, and rates continue
to increase. This study was designed to examine the effects of prenatal and early postnatal factors on AI children’s body
mass index (BMI) trajectories, adiposity, and cardiovascular risk markers during early childhood. We screened 471 AI children
(ages 5–8) from three Wisconsin tribes. Screenings included anthropometric and body fat measures and non-fasting lipid and
glucose via fingerstick blood samples. Tribal records from Women Infants and Children (WIC) programs and clinic charts provided
data on children’s BMI trajectories, maternal prenatal factors, and the early postnatal feeding environment. Forty-seven percent
of children were overweight or obese. Analysis of growth trajectories showed that children’s BMI category was largely determined
within the 1 year of life. Significant predictors of children’s BMI category at age 1 included macrosomia (OR 4.38), excess
gestational weight gain (OR 1.64) and early termination of breastfeeding (OR 1.66). Children who were overweight/obese at
age 1 had greater odds of being overweight (OR 3.42) or obese (OR 3.36), and having unhealthy levels of body fat (OR 2.95)
and LDL cholesterol (OR 1.64) at ages 5–8. Children’s BMI category is determined in the early post-natal environment, within
the 1 year of life, by factors including excess gestational weight gain and early termination of breastfeeding. In turn, children’s
BMI category at age 1 predicts the emergence of cardiovascular risk markers in early childhood.

  • Content Type Journal Article
  • Pages 1-8
  • DOI 10.1007/s10995-012-1024-9
  • Authors
    • Sara M. Lindberg, UW Center for Women’s Health and Health Disparities Research, University of Wisconsin-Madison, 310 N. Midvale Blvd., Suite 201, Madison, WI 53705, USA
    • Alexandra K. Adams, Department of Family Medicine, University of Wisconsin-Madison, Madison, WI, USA
    • Ronald J. Prince, Department of Family Medicine, University of Wisconsin-Madison, Madison, WI, USA
    • Journal Maternal and Child Health Journal
    • Online ISSN 1573-6628
    • Print ISSN 1092-7875
Posted in: Journal Article Abstracts on 04/30/2012 | Link to this post on IFP |
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