2021
Associations of Age, Sex, Race/Ethnicity, and Education With 13 Epigenetic Clocks in a Nationally Representative U.S. Sample: The Health and Retirement Study
Crimmins EM, Thyagarajan B, Levine ME, Weir DR, Faul J. Associations of Age, Sex, Race/Ethnicity, and Education With 13 Epigenetic Clocks in a Nationally Representative U.S. Sample: The Health and Retirement Study. The Journals Of Gerontology Series A 2021, 76: 1117-1123. PMID: 33453106, PMCID: PMC8140049, DOI: 10.1093/gerona/glab016.Peer-Reviewed Original Research
2018
Is 60 the New 50? Examining Changes in Biological Age Over the Past Two Decades
Levine ME, Crimmins EM. Is 60 the New 50? Examining Changes in Biological Age Over the Past Two Decades. Demography 2018, 55: 387-402. PMID: 29511995, PMCID: PMC5897168, DOI: 10.1007/s13524-017-0644-5.Peer-Reviewed Original ResearchConceptsBiological ageModifiable health behaviorsModifiable risk factorsLife expectancySex-specific changesNHANES IVMedication useNHANES IIIRisk factorsDegree of improvementHealth behaviorsOlder groupOlder adultsPace of agingAgeSex groupsGreater declineGreater improvementChronological ageContribution of changesHealthExpectancy
2015
Childhood and later life stressors and increased inflammatory gene expression at older ages
Levine ME, Cole SW, Weir DR, Crimmins EM. Childhood and later life stressors and increased inflammatory gene expression at older ages. Social Science & Medicine 2015, 130: 16-22. PMID: 25658624, PMCID: PMC4394113, DOI: 10.1016/j.socscimed.2015.01.030.Peer-Reviewed Original ResearchConceptsChildhood traumaLow SESPro-inflammatory gene expressionProinflammatory gene expression levelsEarly lifeLater lifeLife health outcomesInflammatory gene expressionLater-life health outcomesHigh riskInflammatory genesAdulthood adversityChildhood healthHealth outcomesAdverse experiencesAdult traumaOlder ageTraumaLate-life stressorsGene expressionElevated levelsFuture healthComposite scoreLife stressorsChildhood
2012
The Impact of Insulin Resistance and Inflammation on the Association Between Sarcopenic Obesity and Physical Functioning
Levine ME, Crimmins EM. The Impact of Insulin Resistance and Inflammation on the Association Between Sarcopenic Obesity and Physical Functioning. Obesity 2012, 20: 2101-2106. PMID: 22310233, PMCID: PMC3527629, DOI: 10.1038/oby.2012.20.Peer-Reviewed Original ResearchConceptsDual-energy X-ray absorptiometryC-reactive proteinInsulin resistancePhysical functioningSarcopenic obesityPhysical functioning problemsMuscle massDifferent body composition phenotypesSerum C-reactive proteinAppendicular skeletal muscle massHomeostasis model assessmentNutrition Examination SurveyCross-sectional studyX-ray absorptiometryBody composition categoriesSkeletal muscle massBody composition phenotypesBody composition measurementsPoisson regression modelsRace/ethnicityNonsarcopenic obesitySarcopenic nonobeseSarcopenic nonobesitySarcopenic obeseSystemic inflammation