2025
Behavioral and sociodemographic correlates of sleep duration among children in Samoa
von Ash T, Choy C, Dunsiger S, Soti-Ulberg C, Wang D, Reupena M, Duckham R, Naseri T, Hawley N. Behavioral and sociodemographic correlates of sleep duration among children in Samoa. Sleep Health 2025, 11: 57-64. PMID: 39753399, PMCID: PMC11805616, DOI: 10.1016/j.sleh.2024.10.009.Peer-Reviewed Original ResearchConceptsSchool-aged childrenSociodemographic correlatesPrimary caregiversSleep durationSleep recommendationsAssociated with longer sleepCorrelates of sleepCorrelates of sleep durationLongitudinal cohort studyShort sleepDietary pattern adherenceAged 2Total carbohydrate intakeData collection wavesNighttime sleepSamoan childrenChildren Aged 2Physical activityChild healthSociodemographic characteristicsAdequate sleepCarbohydrate intakeCollection wavesInsufficient sleepRisk factors
2024
Dyadic care to improve postnatal outcomes of birthing people and their infants: A scoping review protocol
Choy C, McAdow M, Rosenberg J, Grimshaw A, Martinez-Brockman J. Dyadic care to improve postnatal outcomes of birthing people and their infants: A scoping review protocol. PLOS ONE 2024, 19: e0298927. PMID: 38625992, PMCID: PMC11020692, DOI: 10.1371/journal.pone.0298927.Peer-Reviewed Original ResearchConceptsCare interventionsBirthing personsHealth outcomesCare studiesJoanna Briggs Institute critical appraisal toolsPostnatal health outcomesReduce healthcare disparitiesImprove healthcare deliveryProvision of careCritical appraisal toolsWHO regional databasesRisk of biasOpen Science FrameworkObstetric careHealthcare disparitiesImplementation outcomesNarrative synthesisAppraisal toolImprove disparitiesHealthcare deliveryGrey literaturePractice gapReview protocolWeb of Science Core CollectionHealthcare system
2023
Scoping review protocol of multicomponent interventions to address cardiometabolic disease risk among Pacific Islander children
Choy C, Nyhan K, Savusa K, Soti-Ulberg C, Rosen R, Naseri T, Hawley N, Sharifi M. Scoping review protocol of multicomponent interventions to address cardiometabolic disease risk among Pacific Islander children. PLOS ONE 2023, 18: e0280888. PMID: 36689458, PMCID: PMC9870166, DOI: 10.1371/journal.pone.0280888.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsPacific Islander childrenCMD risk factorsMulticomponent interventionRisk factorsCardiometabolic disease risk factorsDisease risk factorsCardiometabolic disease riskClinical trial registrationPreferred Reporting ItemsJoanna Briggs Institute ManualFormal ethical approvalTRIAL REGISTRATIONCochrane LibraryHigh prevalenceEligible interventionsStudy populationEthical approvalReporting ItemsCMD riskDisease riskIntervention componentsProQuest DissertationsReview protocolEvidence mappingEvidence synthesisPrediction 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 ResearchConceptsFat 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 samplePrevalence of malnutrition among Samoan children aged 5 to 11 years in 2019–2020
Choy C, Lupematasila V, Arorae M, Tafunaina F, Unasa F, Soti-Ulberg C, Reupena M, Duckham R, Faasalele-Savusa K, Naseri T, Hawley N. Prevalence of malnutrition among Samoan children aged 5 to 11 years in 2019–2020. Annals Of Human Biology 2023, 50: 200-205. PMID: 37166449, PMCID: PMC10214481, DOI: 10.1080/03014460.2023.2197298.Peer-Reviewed Original ResearchConceptsOverweight/obesityExact testWorld Health Organization z scoreNutrition transitionPrevalence of malnutritionBody mass indexFisher's exact testComplete physical assessmentLevel of malnutritionComprehensive intervention strategiesAnemia prevalenceMass indexSamoan childrenHigh prevalenceObesityHemoglobin concentrationAnemiaZ-scorePhysical assessmentPrevalenceModerate stuntingUnderweightChi-squareMalnutritionChild's age
2022
Is overweight or obesity associated with anemia in children? Follow-up of Samoans in the Ola Tuputupua’e “Growing Up” study
Choy CC, Howe CJ, Soti-Ulberg C, Naseri T, Reupena MS, Duckham RL, Hawley NL. Is overweight or obesity associated with anemia in children? Follow-up of Samoans in the Ola Tuputupua’e “Growing Up” study. Obesity Research & Clinical Practice 2022, 16: 144-150. PMID: 35256305, PMCID: PMC9636893, DOI: 10.1016/j.orcp.2022.02.008.Peer-Reviewed Original ResearchConceptsOverweight/obesityObesity-related inflammationPrevalence ratiosIron deficiencyDouble burdenPrevalence of anemiaBody mass indexAge z-scorePoisson regression modelsCohort studyMass indexSamoan childrenHigh prevalenceObesityAnemiaZ-scoreCovariate adjustmentConfidence intervalsMicronutrient deficienciesInflammationChildrenPrevalenceFurther investigationRegression modelsDeficiency
2021
Comparability of The Netherlands Physical Activity Questionnaire with Accelerometer-Measured Physical Activity in Samoan Children: A Retrospective Analysis of Ola Tuputupua’e Data
Warmath CR, Choy CC, Frame EA, Sherar LB, Duckham RL, Soti-Ulberg C, Naseri T, Reupena MS, Hawley NL. Comparability of The Netherlands Physical Activity Questionnaire with Accelerometer-Measured Physical Activity in Samoan Children: A Retrospective Analysis of Ola Tuputupua’e Data. International Journal Of Environmental Research And Public Health 2021, 18: 8438. PMID: 34444185, PMCID: PMC8391931, DOI: 10.3390/ijerph18168438.Peer-Reviewed Original ResearchConceptsPhysical Activity QuestionnaireActivity QuestionnairePhysical activityHigh-intensity physical activityMonitor wear timePhysical activity levelsPhysical activity measurementPhysical activity dataAccelerometer outcomesCardiometabolic healthMixed longitudinal studyObesity developmentRetrospective analysisCombination of questionsChild growthWear timeActivity levelsMarginal meansAged childrenTertileScoresChildrenIndividual questionsQuestionnaireSamoan children
2020
Longitudinal Assessment of Childhood Dietary Patterns: Associations with Body Mass Index z-Score among Children in the Samoan Ola Tuputupua'e (Growing Up) Cohort
Choy CC, Wang D, Naseri T, Soti-Ulberg C, Reupena MS, Duckham RL, Baylin A, Hawley NL. Longitudinal Assessment of Childhood Dietary Patterns: Associations with Body Mass Index z-Score among Children in the Samoan Ola Tuputupua'e (Growing Up) Cohort. Childhood Obesity 2020, 16: 534-543. PMID: 32907355, PMCID: PMC7575349, DOI: 10.1089/chi.2020.0058.Peer-Reviewed Original ResearchConceptsDietary patternsHigh adherenceBody mass index zChildhood obesity prevention strategiesObesity prevention strategiesBody mass indexFood frequency dataChildhood dietary patternsBiological mother-child dyadsCohort studyMass indexPattern adherencePotential confoundersChildhood obesityPrevention strategiesMother-child dyadsLongitudinal assessmentTime pointsConvenience sampleAdherenceBMIzIntervention strategiesChildrenScoresAssociationPiloting a food photo sorting activity in Samoa to assess maternal beliefs and their role in child diet
Tanawattanacharoen VK, Choy CC, Anesi TJ, Naseri T, Soti‐Ulberg C, Reupena MS, Hawley NL. Piloting a food photo sorting activity in Samoa to assess maternal beliefs and their role in child diet. Maternal And Child Nutrition 2020, 16: e12974. PMID: 32056393, PMCID: PMC7296816, DOI: 10.1111/mcn.12974.Peer-Reviewed Original ResearchConceptsChildren's dietary intakeDietary intakeChildhood obesityChildren's dietsHealthier child dietMaternal beliefsAlarming burdenSamoan mothersKnowledge/beliefsNutritional knowledgeEating habitsNutritional expertsIntakeHealthy foodsMothersObesityCountry settingsCost of foodStatusDietPearson correlationFood costsAdditional supportParental beliefsFoodSex differences in the associations of physical activity and macronutrient intake with child body composition: A cross‐sectional study of 3‐ to 7‐year‐olds in Samoa
Thompson AA, Duckham RL, Desai MM, Choy CC, Sherar LB, Naseri T, Soti‐Ulberg C, Reupena MS, Wetzel AI, Hawley NL. Sex differences in the associations of physical activity and macronutrient intake with child body composition: A cross‐sectional study of 3‐ to 7‐year‐olds in Samoa. Pediatric Obesity 2020, 15: e12603. PMID: 31925928, PMCID: PMC7060109, DOI: 10.1111/ijpo.12603.Peer-Reviewed Original ResearchConceptsOverweight/obesityPhysical activityBody compositionNutritional intakeDual-energy X-ray absorptiometryPeripheral fat ratioFood frequency questionnaireChildren's nutritional intakeCross-sectional studyChildren's body compositionSamoan childrenX-ray absorptiometrySex-specific associationsSex-stratified analysesFrequency questionnaireObjective physical activity monitoringCarbohydrate intakeIndependent associationDietary intakeMacronutrient intakePhysical activity monitoringIntakeLower trunkFat ratioObesity
2016
Body mass index, height and early-onset basal cell carcinoma in a case-control study
Zhang Y, Cartmel B, Choy CC, Molinaro AM, Leffell DJ, Bale AE, Mayne ST, Ferrucci LM. Body mass index, height and early-onset basal cell carcinoma in a case-control study. Cancer Epidemiology 2016, 46: 66-72. PMID: 28039770, PMCID: PMC5272867, DOI: 10.1016/j.canep.2016.12.007.Peer-Reviewed Original ResearchConceptsEarly-onset basal cell carcinomaBody mass indexBasal cell carcinomaMass indexCell carcinomaInverse associationOdds ratioAdult heightUnconditional logistic regression modelsAdult body mass indexBenign skin conditionsMultivariate odds ratiosSimilar inverse associationsConfidence intervalsCase-control studySignificant inverse associationLogistic regression modelsUltraviolet radiation exposurePrior UV exposureCommon malignancyControl subjectsUV exposureBiopsy siteMedical characteristicsSkin conditions
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