Display name Name Folder Description Variable type Database Version Table Column Time Method Equipment
Age category agecat Demographics choices HEARTBEAT 0.3.0 followup1 agecat Baseline/final visit Reported by subject Heartbeat physical measurements form
Age computed in years at time anthropometry were taken ageyear_at_meas Demographics/Child Demographic Information numeric CHAT 0.6.0 followup1 ageyear_at_meas Baseline/follow-up visit Reported by parent or guardian Pediatric sleep questionnaire form
Age computed in years at time anthropometry were taken ageyear_at_meas Demographics/Child Demographic Information numeric CHAT 0.6.0 baseline1 ageyear_at_meas Baseline/follow-up visit Reported by parent or guardian Pediatric sleep questionnaire form
Sleep Apnea defined as Apnea/Hypopnea Index (3% desat) >= 15 ahi_ge15 Sleep Summary choices HCHS 0.3.0 sol1 ahi_ge15_hmn baseline in home PSG measured Apnea Risk Evaluation System (ARES, Unicorder, Advanced Brain Imaging)
Apnea / Hypopnea events with >= 3% percent desaturation per hour of sleep ahi3 Polysomnography/Respiratory Events/Indexes Number of Apnea / Hypopnea ... numeric CFS 0.3.0 visit52 ahi3 Visit 5 Calculated Edentec PSG monitor; Compumedics ProFusion PSG 2 scoring software
(Previously Medicareahi_nrem5) AHI: Obstructive And Central Apneas (All Desats); 30% And 50% Hypopneas (4% Desat) Index In NREM ahi4p_nrem5 Polysomnography numeric MESA 0.1.1 sleep1 ahi4p_nrem5 Exam 5 Calculated Exam 5: Compumedics Somte Recording System; Compumedics ProFusion PSG 3 scoring software
(Previously Medicareahi_nsup5) AHI: Obstructive And Central Apneas (All Desats); 30% And 50% Hypopneas (4% Desat) Index Non Supine ahi4p_nsup5 Polysomnography numeric MESA 0.1.1 sleep1 ahi4p_nsup5 Exam 5 Calculated Exam 5: Compumedics Somte Recording System; Compumedics ProFusion PSG 3 scoring software
(Previously Medicareahi_rem5) AHI: Obstructive And Central Apneas (All Desats); 30% And 50% Hypopneas (4% Desat) Index In REM ahi4p_rem5 Polysomnography numeric MESA 0.1.1 sleep1 ahi4p_rem5 Exam 5 Calculated Exam 5: Compumedics Somte Recording System; Compumedics ProFusion PSG 3 scoring software
(Previously Medicareahi_sup5) AHI: Obstructive And Central Apneas (All Desats); 30% And 50% Hypopneas (4% Desat) Index Supine ahi4p_sup5 Polysomnography numeric MESA 0.1.1 sleep1 ahi4p_sup5 Exam 5 Calculated Exam 5: Compumedics Somte Recording System; Compumedics ProFusion PSG 3 scoring software
(Previously Medicareahi5) AHI: Obstructive And Central Apneas (All Desats); 30% And 50% Hypopneas (4% Desat) ahi4p5 Polysomnography numeric MESA 0.1.1 sleep1 ahi4p5 Exam 5 Calculated Exam 5: Compumedics Somte Recording System; Compumedics ProFusion PSG 3 scoring software