Related Variables
shhs1_cf | Has Sleep Heart Health Study Visit One (SHHS1) Contact form | Administrative | |
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 |
CVD Outcomes | |
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 (PMID: 19688045)) |
CVD Outcomes | |
fup_scr | Contact Form present | Interim | |
nocontact | Reason contact not made | Interim | |
spcnocontact | Other reason contact not made | Interim |