CARET Risk Factors

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CARET Data Collection Forms and Contact Schedule

		Contact schedule¹ ( -- collection was at all time points unless otherwise noted) CV = Clinic Visit PC = Phone Contact MQ=Mailed Questionnaire
				Post-intervention phases
	Data collection forms²	Baseline (1985-1994)	Intervention phase (1985-1995)	Transition (1996-1997)	Follow-up (1997-2005)
		CV (x1)	CV (x1/year) & PC (x2/year)	CV (x1) & PC (x2)	PC or MQ (1x/year)
Cancer and death endpoints	Confirmation of Cancer Endpoint Confirmation of Death Endpoint	N/A
Blood specimens	Blood Collection and Processing		(CVs, every two years only)	(CV only)
Dietary intake	Food Frequency Questionnaire		(CVs, every two years only)	(CV only)
Smoking history	Questionnaire #1 (baseline, Q.1-Q.7) Health questionnaire #4 (follow-up, Q.27)
Supplemental vitamin use	Contact Summary (Q.89)		(CVs only)
Health history	Health Questionnaire #4		(CVs only)
Family history of cancer	Questionnaire #1 (Q.9-Q.11)
Respiratory history	Respiratory History Questionnaire		(CVs, every two years only)	(CV only)
Spirometry (asbestos workers only)	Spirometry		(CVs, every two years thereafter)	(CV only)
X-ray (asbestos workers only)	Study Center X-Ray Review
Work history	Questionnaire #1 (Q.13-Q.17)
Demographics (age, race, sex, marital status³, and education level)	Questionnarie #1 (Q.18-Q.21) Contact Information Update
Height, weight, blood pressure	Contact Summary (Q.59-Q.61)		(CVs only)	(CV only)
¹ Reflects contact schedule for most participants; participants enrolled during the pilot phase were contacted more frequently than those enrolled during the full-scale trials. Contact schedule specifics can be found here. ² Examples of commonly used data collection forms are provided. Forms were modified over the course of the study, but data items within the questionnaires were generally consistent, if not identical. ³ Marital status was collected at all contacts
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