Variables related to Bone Density

id
Variable
Description
Collected
File
idBMDFLAGVariableRand to BMDDescriptionIndicates if the participant was randomized or enrolled at a bone density clinic and was not randomized or enrolled as a part of enhanced recruitment for that clinic.CollectedBaseline, MainFileDemographics and Study Membership
idBONEDENSVariableF33 Bone density scan (e.g. DEXA)DescriptionSince your last medical update, which of the following exams, tests, or procedures have you had: Bone density scan (e.g. DEXA)
*Not collected on versions of Form 33 used prior to the WHI Extensions. Not collected on latest version of Form 33.
CollectedMain, Ext1, Ext2FileForm 33 - Medical History Update Faints, Falls, Exams, Procedures
idHIPSDSCNVariableSide of the Hip ScanDescriptionCollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPAREAVariableArea of the Total Hip (cm squared)DescriptionCollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPBMCVariableBMC of the Total Hip (grams)DescriptionCollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPBMDVariableBMD of the Total Hip (g/cm squared)DescriptionCollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPBMDCORVariableBMD of the Total Hip (corrected) (g/cm sq)Description
*Corrected BMD value is based on recommendations from the UCSF quality assurance report. For details see the Data Preparation document.
CollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPTSCORVariableTotal Hip BMD T-scoreDescriptionTotal Hip BMD T-score
*The T-score represents the number of standard deviations the participant's BMD is above or below the mean for a healthy 30 year old woman of the same race/ethnicity. Based on HIPBMDCOR "BMD of the Total Hip (corrected)".
CollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPNKAREAVariableArea of the Hip Neck (cm squared)DescriptionCollectedBaseline, MainFileBMD Hip Scan (CT+OS)
idHIPNKBMCVariableBMC of the Hip Neck (grams)DescriptionCollectedBaseline, MainFileBMD Hip Scan (CT+OS)