Related Variables

fup_scr Interim Follow-up: Contact Form present Administrative/Interim
nocontact Interim Follow-up: Reason contact not made Administrative/Interim
spcnocontact Interim Follow-up: Other reason contact not made Administrative/Interim
shhs1_cf Has Sleep Heart Health Study Visit One (SHHS1) Contact form Administrative/SHHS1
censdate Days to Most Recent Contact or Death Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of last contact/death

Clinical Data/Incident Outcomes/Cardiovascular Diseases
vital Vital status at last contact

Deaths from any cause were identified and confirmed for the cohort using multiple concurrent approaches including follow-up interviews, written annual questionnaires or telephone contacts with study participants or next-of-kin, surveillance of local hospital records and community obituaries, and linkage with the Social Security Administration Death Master File. (For more information, see Punjabi et al. 2009 (PubMed ID: 19688045))

Clinical Data/Incident Outcomes/Cardiovascular Diseases