2024
Vitamin D Levels in the United States: Temporal Trends (2011–2018) and Contemporary Associations with Sociodemographic Characteristics (2017–2018)
Subramanian A, Burrowes H, Rumph J, Wilkerson J, Jackson C, Jukic A. Vitamin D Levels in the United States: Temporal Trends (2011–2018) and Contemporary Associations with Sociodemographic Characteristics (2017–2018). Nutrients 2024, 16: 3414. PMID: 39408379, PMCID: PMC11478591, DOI: 10.3390/nu16193414.Peer-Reviewed Original ResearchConceptsNational Health and Nutrition Examination SurveyNon-Hispanic black femalesVitamin D levelsNational Health and Nutrition Examination Surveys survey cyclesHealth and Nutrition Examination SurveyNon-Hispanic blacksAssociated with larger decrementsNutrition Examination SurveyMedian 25(OH)DD levelsPredictors of 25(OH)D levelsMultivariate linear regressionExamination SurveyPrevalence of 25(OH)DSurvey cyclesWeighted medianLevels of 25(OH)DSociodemographic characteristicsVitamin D supplementationFemales of reproductive ageHigher BMILow-incomeIncreased BMIMexican AmericansVitamin D dataVitamin D status and supplementation, calcium supplementation, and timing of natural menopause
Jukic A, Sandler D, Weinberg C, O'Brien K. Vitamin D status and supplementation, calcium supplementation, and timing of natural menopause. Maturitas 2024, 182: 107916. PMID: 38266360, PMCID: PMC11000149, DOI: 10.1016/j.maturitas.2024.107916.Peer-Reviewed Original ResearchConceptsCalcium supplement useTiming of natural menopauseVitamin D statusTime of menopauseNatural menopauseFollow-upVitamin DSupplement useD statusMenstrual periodAssociated with timing of menopauseHazard ratioMultivariate Cox proportional hazards modelAssociated with ovarian reserveVitamin D supplement useYears of follow-upVitamin D supplementationLoss to follow-upCox proportional hazards modelsFollow-up time pointsYear follow-upBody mass indexConfidence intervalsSister Study cohortEstimate hazard ratios
2017
Measurement of Vitamin D for Epidemiologic and Clinical Research: Shining Light on a Complex Decision
Jukic AMZ, Hoofnagle AN, Lutsey PL. Measurement of Vitamin D for Epidemiologic and Clinical Research: Shining Light on a Complex Decision. American Journal Of Epidemiology 2017, 187: 879-890. PMID: 29020155, PMCID: PMC5889008, DOI: 10.1093/aje/kwx297.Peer-Reviewed Original ResearchConceptsVitamin D statusVitamin DD statusIndividual's vitamin D statusFat-soluble vitaminsCardiovascular diseaseEpidemiologic studiesHealth outcomesReproductive functionIdeal interventionClinical researchDietary supplementsAvailable supplementsBiomarkersImportant considerationNew research studiesLow levelsSupplementsDate synthesisStatusEpidemiologicCancerInfectionDiseaseDramatic increase
2016
Increasing serum 25-hydroxyvitamin D is associated with reduced odds of long menstrual cycles in a cross-sectional study of African American women
Jukic AM, Upson K, Harmon QE, Baird DD. Increasing serum 25-hydroxyvitamin D is associated with reduced odds of long menstrual cycles in a cross-sectional study of African American women. Fertility And Sterility 2016, 106: 172-179.e2. PMID: 26997249, PMCID: PMC4930882, DOI: 10.1016/j.fertnstert.2016.03.004.Peer-Reviewed Original ResearchConceptsMenstrual cycle lengthLong menstrual cyclesCross-sectional studyMenstrual cycleAfrican American womenCycle lengthSelf-reported menstrual cycle lengthVitamin D statusPolytomous logistic regressionAmerican womenD statusGynecologic historyOvarian hormonesProspective studyOvarian functionReduced oddsMAIN OUTCOMEIrregular cyclesLogistic regressionWomenOddsFurther investigationDaysAssociationMedications
2015
Lower plasma 25-hydroxyvitamin D is associated with irregular menstrual cycles in a cross-sectional study
Jukic AM, Steiner AZ, Baird DD. Lower plasma 25-hydroxyvitamin D is associated with irregular menstrual cycles in a cross-sectional study. Reproductive Biology And Endocrinology 2015, 13: 20. PMID: 25879830, PMCID: PMC4359493, DOI: 10.1186/s12958-015-0012-5.Peer-Reviewed Original ResearchConceptsIrregular cyclesUsual cycle lengthMenstrual cycle characteristicsUterine Fibroid StudyAge of menarcheCurrent smokingGynecologic historyHormonal contraceptionVitamin DMenstrual cyclePhysical activityBlood samplesCycle disturbancesHealth plansTelephone interviewsAlcohol usePlasma samplesWomenHuman dataCycle lengthAgeLow levelsCycle characteristicsMedicationsMethodsWomen