Niels van der Aa, PhD; Meike Bartels, PhD; Saskia J. te Velde, PhD; et al.
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Arch Pediatr Adolesc Med. 2012;166(6):509-514. doi:10.1001/archpediatrics.2011.1658
In a cross-sectional twin-family study, van der Aa et al investigate the degree to which genetic and environmental influences affect individual differences in sedentary behavior throughout adolescence.
Daniel W. Belsky, PhD; Terrie E. Moffitt, PhD; Renate Houts, PhD; et al.
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Arch Pediatr Adolesc Med. 2012;166(6):515-521. doi:10.1001/archpediatrics.2012.131
Researchers have begun to study the single-nucleotide polymorphisms associated with adult obesity. Belsky and coauthors used data from the 38-year Dunedin Multidisciplinary Health and Development Study to determine the effect of childhood developmental phenotype on the heritability of adult obesity. Their research has implications for clinical practice and developmental and epidemiologic studies.
James White, PhD; Russell Jago, PhD
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Arch Pediatr Adolesc Med. 2012;166(6):522-527. doi:10.1001/archpediatrics.2012.99
To test for differences in prospective associations between physical activity and obesity among black and white adolescent girls, White and Jago analyze dose-response associations between quartiles of accelerometer counts per day and obesity in 1148 adolescent girls who provided valid data on these variables at ages 12 and 14 years.
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Sharon Nachman, MD; Miriam Chernoff, PhD; Paige Williams, PhD; et al.
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Arch Pediatr Adolesc Med. 2012;166(6):528-535. doi:10.1001/archpediatrics.2011.1785
In a cross-sectional analysis of entry data from an observational, prospective 2-year study, Nachman and coauthors evaluate associations between human immunodeficiency virus (HIV) disease severity and psychiatric and functional outcomes in youth with perinatal HIV infection.
Jacqueline R. Starr, PhD; Brent R. Collett, PhD; Rebecca Gaither, PhD; et al.
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Arch Pediatr Adolesc Med. 2012;166(6):536-542. doi:10.1001/archpediatrics.2011.1800
In a longitudinal comparison study, Starr and coauthors evaluate the hypothesis that 3-year-old children with single-suture craniosynostosis would receive lower neurodevelopmental scores than a comparable group of children born with patent sutures.
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Amir Kugelman, MD; David Bader, MD, MHA; Liat Lerner-Geva, MD, PhD; et al.
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Arch Pediatr Adolesc Med. 2012;166(6):543-550. doi:10.1001/archpediatrics.2011.891
Kugelman and colleagues conducted a population-based study using the Israel National Very Low Birth Weight Infant Database to assess risk factors and develop a simple estimate method for poor neonatal outcomes for specific groups of extremely premature infants at birth. The study involved infants born at 23 to 26 weeks鈥� gestation between January 1, 1995, and December 31, 2008.
Stephanie A. Fritz, MD, MSCI; Patrick G. Hogan, MPH; Genevieve Hayek, MS; et al.
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Arch Pediatr Adolesc Med. 2012;166(6):551-557. doi:10.1001/archpediatrics.2011.900
In a cross-sectional study, Fritz et al measure prevalence of Staphylococcus aureus colonization in household contacts of children with acute S aureus skin and soft tissue infections, determine risk factors for S aureus colonization in household contacts, and assess anatomic sites of S aureus colonization in patients and household contacts.