Related Variables
visitaa | visit date | Ankle-Arm Index | |
visitbr | Date of visit | Brachial Reactivity | |
visitdat | Date of visit | Demographics | |
visitecg | Date of visit | Electrocardiography | |
whenpsg | When subject had previous sleep study | Lab Visit | |
stdatep | PSG Start Date | Polysomnography/Administrative | |
q10q3 | Child's date of birth | Questionnaires/CHQ | |
q11q2 | Your date of birth | Questionnaires/CHQ | |
q11q8 | What is today's date? | Questionnaires/CHQ | |
visitld | Date of Lab Study from Diary | Sleep Diary |