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 data
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