2024
The milk study protocol: A longitudinal, prospective cohort study of the relationship between human milk metabolic hormone concentration, maternal body composition, and early growth and satiety development in Samoan infants aged 1–4 months
Harries V, Abraham J, Vesi L, Reupena A, Faaselele-Savusa K, Duckham R, Bribiescas R, Hawley N. The milk study protocol: A longitudinal, prospective cohort study of the relationship between human milk metabolic hormone concentration, maternal body composition, and early growth and satiety development in Samoan infants aged 1–4 months. PLOS ONE 2024, 19: e0292997. PMID: 38728264, PMCID: PMC11086876, DOI: 10.1371/journal.pone.0292997.Peer-Reviewed Original ResearchConceptsMaternal body compositionEarly infant growthBody compositionInfant growthProspective longitudinal cohortMother-infant dyadsBreastfeeding mother-infant dyadsHuman milkFingerpick blood sampleInfants aged 1Longitudinal cohortBody composition measurementsProspective cohort studyInfant feeding patternsSatiety developmentUndernourished womenSatiety responsivenessInfant satietyInfant hungerHormone leptinCohort studyHigh-income settingsMultivariate analysisEating patternsHormone transfer
2023
Prediction of fat mass from anthropometry at ages 7 to 9 years in Samoans: a cross-sectional study in the Ola Tuputupua’e cohort
Choy C, Johnson W, Duckham R, Naseri T, Soti-Ulberg C, Reupena M, Braun J, McGarvey S, Hawley N. Prediction of fat mass from anthropometry at ages 7 to 9 years in Samoans: a cross-sectional study in the Ola Tuputupua’e cohort. European Journal Of Clinical Nutrition 2023, 77: 495-502. PMID: 36624192, PMCID: PMC7614464, DOI: 10.1038/s41430-022-01256-6.Peer-Reviewed Original ResearchMeSH KeywordsAbsorptiometry, PhotonAdipose TissueAnthropometryBody CompositionBody Mass IndexChildCross-Sectional StudiesFemaleHumansMaleObesityConceptsFat massSex-specific prediction modelsCross-sectional studyAge 7 yearsHigh-risk settingsFuture obesity preventionModel development sampleSamoan childrenObesity prevalenceObesity preventionBody fatHigh riskSex-specific modelsBland-Altman limitsSubscapularSubstantial concordanceAge 7Pacific IslandersChildrenDXADevelopment samplePreventionConcordanceYearsValidation sample
2022
Validity of anthropometric equation‐based estimators of fat mass in Samoan adults
Heinsberg L, Hawley N, Duckham R, Pomer A, Rivara A, Naseri T, Reupena M, Weeks D, McGarvey S, Minster R. Validity of anthropometric equation‐based estimators of fat mass in Samoan adults. American Journal Of Human Biology 2022, 35: e23838. PMID: 36428275, PMCID: PMC10023273, DOI: 10.1002/ajhb.23838.Peer-Reviewed Original ResearchThe protective effect of rs373863828 on type 2 diabetes does not operate through a body composition pathway in adult Samoans
Hawley NL, Duckham RL, Carlson JC, Naseri T, Reupena MS, Lameko V, Pomer A, Wetzel A, Selu M, Lupematisila V, Unasa F, Vesi L, Fatu T, Unasa S, Faasalele‐Savusa K, Rivara AC, Russell E, Delany JP, Viali S, Kershaw EE, Minster RL, Weeks DE, McGarvey ST. The protective effect of rs373863828 on type 2 diabetes does not operate through a body composition pathway in adult Samoans. Obesity 2022, 30: 2468-2476. PMID: 36284436, PMCID: PMC10111239, DOI: 10.1002/oby.23559.Peer-Reviewed Original ResearchConceptsFat-free massType 2 diabetesFat distributionProtective effectBody compositionFavorable body fat distributionDual-energy X-ray absorptiometry-derived body compositionBody fat distributionGreater fat-free massPercent body fatBody size/compositionAssociation of genotypesRs373863828 genotypeVisceral adiposityHigher BMIAdult SamoansRole of fatGreater BMILean massBody fatLower oddsParadoxical associationTissue-specific mechanismsA alleleDiabetes
2021
Body size and composition of Samoan toddlers aged 18–25 months in 2019
Oyama S, Duckham RL, Arslanian KJ, Kershaw EE, Strayer JA, Fidow UT, Naseri T, Hawley NL. Body size and composition of Samoan toddlers aged 18–25 months in 2019. Annals Of Human Biology 2021, 48: 346-349. PMID: 34340601, PMCID: PMC9912174, DOI: 10.1080/03014460.2021.1951351.Peer-Reviewed Original ResearchConceptsDual-energy X-ray absorptiometryProspective birth cohortPrimary study aimX-ray absorptiometryGreater linear growthMother-infant dyadsThigh skinfold thicknessRs373863828 genotypeAdult SamoansArm circumferenceAbdominal circumferenceHead circumferenceProtective effectGG genotypeIliac crestLower riskSkinfold thicknessBody compositionBirth cohortStudy aimMinor alleleEarly lifeMissense variantsCircumferenceEarly childhood
2020
Effect of maternal nutrient intake during 31–37 weeks gestation on offspring body composition in Samoa
Arslanian KJ, Fidow UT, Atanoa T, Naseri T, Duckham RL, McGarvey ST, Choy C, Hawley NL. Effect of maternal nutrient intake during 31–37 weeks gestation on offspring body composition in Samoa. Annals Of Human Biology 2020, 47: 587-596. PMID: 32892647, PMCID: PMC7900936, DOI: 10.1080/03014460.2020.1820078.Peer-Reviewed Original ResearchConceptsInfant body compositionDual-energy X-ray absorptiometryFood frequency questionnaireBody compositionDietary intakeBone massNutrient intakeMaternal body mass indexNewborn body compositionPregnancy dietary intakeMaternal dietary intakeOffspring body compositionMultivariable linear regression modelsBody mass indexWeeks of gestationMaternal nutrient intakeX-ray absorptiometryEnergy-dense dietPregnancy nutritionFrequency questionnaireFuture obesityInfant adiposityWeeks' gestationMass indexThird trimesterA missense variant in CREBRF, rs373863828, is associated with fat-free mass, not fat mass in Samoan infants
Arslanian KJ, Fidow UT, Atanoa T, Unasa-Apelu F, Naseri T, Wetzel AI, Pomer A, Duckham RL, McGarvey ST, Strayer JA, Kershaw EE, Weeks DE, Hawley NL. A missense variant in CREBRF, rs373863828, is associated with fat-free mass, not fat mass in Samoan infants. International Journal Of Obesity 2020, 45: 45-55. PMID: 32884101, PMCID: PMC8329753, DOI: 10.1038/s41366-020-00659-4.Peer-Reviewed Original ResearchConceptsBody mass indexDual-energy X-ray absorptiometrySamoan infantsBone massFat massLean massEarly infantsBody compositionInfant body mass indexMinor alleleDeterminants of adiposityOdds of diabetesBone mass accretionMissense variantsX-ray absorptiometryFat-free massCross-sectional analysisMore bone massCREBRF variantProspective studyHigher oddsEarly infancyInfantsAdult populationNatural history