FRAMINGHAM HEART STUDY - CODING MANUAL

 TITLE OF DATA SET: C-REATIVE PROTEIN

 COHORT:  GENERATION 3

 DATA COLLECTION TIME FRAME: EXAM 1 

 SAS DATASET NAME: CRP3_1S.SAS7BDAT

 #RECORDS: 4071


 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. 


	VARIABLE		DESCRIPTION
	--------		-----------

	IDTYPE		3 FOR GEN3 GROUP

	ID		FRAMINGAM ID NUMBER 
			deleted - use SHAREID

	SHAREID		SHARE ID NUMBER

	EXAM		EXAM CYCLE: 1

	CRP		CONCENTRATION OF C-REACTIVE PROTEIN, MG/L
			RANGE: 0.15-66.33 

	DATE		EXAM DATE: NUMBER OF DAYS SINCE EXAM 1
			NOTE: SOME VALUES MAY BE LESS THAN
			ZERO INDICATING THE PARTICIPANT
			GAVE BLOOD BEFORE THEIR EXAM DATE.

-----------------------------------------------------------------------------------	


	TEST PROCESSING LOCATION:   FRAMINGHAM HEART STUDY, FRAMINGHAM MA
	
	TESTING DATE:          (removed - available upon request)

	METHOD:		       PARTICLE ENHANCED IMMUNONEPHELOMETRY

	REAGENT:	       DADE BEHRING REAGENTS  

	MACHINE:               DADE BEHRING BN 100 (NEPHELOMETER)

	MEASURING RANGE:       0.15 - 550 mg/L

	SAMPLE:		       FROZEN SERUM (-80C), RUN IN SINGLE

	INTER-ASSAY CV:	       5.5%

	INTRA-ASSAY CV:	       2.8%	

	FUNDING RESOURCE:      CORE