FRAMINGHAM HEART STUDY - CODING MANUAL

CARDIAC MRI ABDOMINAL FAT

COHORT: OFFSPRING

DATA COLLECTION TIME FRAME:  2002 THROUGH  2006  

SAS DATASET NAME: CMRAFAT1_2006S.SAS7BDAT

#RECORDS: 1747


The value ranges and observation number stated in the manual are based
on the original data set.  In some cases, observation may be deleted
due to participant consent form restrictions.  If observations have
been deleted from this data set, the ranges or observation number may
differ from those stated in this manual.


Measured on : 1.5-T Philips CMR System

Software used in MRI-MASS Analysis: MEDIS Inc., LEIDEN 
(version 6.1 QT).


VARIABLE		DESCRIPTION


IDTYPE		FRAMINGHAM COHORT IDENTIFIER
			   1 = OFFSPRING 


ID  			FRAMINGHAM PARTICIPANT ID 
			ID deleted - use SHAREID


SHAREID		SHARE ID NUMBER


DATE       	 	CARDIAC MRI SCAN DATE      
			Number of days since Exam 1


SLICE			SLICE NUMBER AT WHICH THE MEASUREMENT WAS TAKEN
			RANGE 1 - 22
			  Missing data:
				B:  MEASUREMENT TOO BIG (N = 49)
				M: MISSING (N = 85)
	        	   


SUBCF			UMBILICAL LEVEL WHICH IS LANDMARK AND MEASUREMENT WAS TAKEN
			(constant)



THICK			SUBCUTANEOUS FAT THICKNESS (MM)  
            	ANTEROPOSTERIOR MEASUREMENT OF SUBCUTANEOUS FAT MEASURED 
			FROM SKIN TO RECTUS ABDOMINIS AT THE LEVEL OF UMBILICUS

            	MEASURED AT THE LEFT SIDE WHERE THE SUBCUTANEOUS FAT LOOKS 		
			THICKEST.  IF THE EDGE IS NOT CLEAR, THEN MEASURE THE OTHER SIDE.
			RANGE 1.25 - 70.37
				Missing data:
					B:  MEASUREMENT TOO BIG (N = 51)
					M: MISSING (N = 89)