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Sleep Heart Health Study

Name Label Folder
event12end
Respiratory event (12) end time
Respiratory event (12) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event12start
Respiratory event (12) start time
Respiratory event (12) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
event13end
Respiratory event (13) end time
Respiratory event (13) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event13start
Respiratory event (13) start time
Respiratory event (13) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
event14end
Respiratory event (14) end time
Respiratory event (14) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event14start
Respiratory event (14) start time
Respiratory event (14) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
event15end
Respiratory event (15) end time
Respiratory event (15) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event15start
Respiratory event (15) start time
Respiratory event (15) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
event16end
Respiratory event (16) end time
Respiratory event (16) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event16start
Respiratory event (16) start time
Respiratory event (16) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
event17end
Respiratory event (17) end time
Respiratory event (17) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event17start
Respiratory event (17) start time
Respiratory event (17) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
event18end
Respiratory event (18) end time
Respiratory event (18) end time Clinical Data/Diagnostic Studies/Heart Rate Variability
event18start
Respiratory event (18) start time
Respiratory event (18) start time Clinical Data/Diagnostic Studies/Heart Rate Variability
hasrespevent
1 or more respiratory events in 5 minute window
1 or more respiratory events in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
hf
High frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.15 and 0.4 Hz
High frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.15 and 0.4 Hz Clinical Data/Diagnostic Studies/Heart Rate Variability
hf_n
High frequency power (normalized)
High frequency power (normalized) Clinical Data/Diagnostic Studies/Heart Rate Variability
ihr
Instantaneous heart rate
Instantaneous heart rate Clinical Data/Diagnostic Studies/Heart Rate Variability
lf
Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz
Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz Clinical Data/Diagnostic Studies/Heart Rate Variability
lf_hf
The ratio of low to high frequency power
The ratio of low to high frequency power Clinical Data/Diagnostic Studies/Heart Rate Variability
lf_n
Low frequency power (normalized)
Low frequency power (normalized) Clinical Data/Diagnostic Studies/Heart Rate Variability
nn_rr
Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals
Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals Clinical Data/Diagnostic Studies/Heart Rate Variability
pnn10
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >10 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >10 ms Clinical Data/Diagnostic Studies/Heart Rate Variability
pnn20
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >20 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >20 ms Clinical Data/Diagnostic Studies/Heart Rate Variability
pnn30
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >30 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >30 ms Clinical Data/Diagnostic Studies/Heart Rate Variability
pnn40
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >40 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >40 ms Clinical Data/Diagnostic Studies/Heart Rate Variability
pnn50
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >50 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >50 ms Clinical Data/Diagnostic Studies/Heart Rate Variability
rmssd
Square root of the mean of the squares of difference between adjacent normal sinus to normal sinus interbeat (NN) intervals
Square root of the mean of the squares of difference between adjacent normal sinus to normal sinus interbeat (NN) intervals Clinical Data/Diagnostic Studies/Heart Rate Variability
sdann
Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments Clinical Data/Diagnostic Studies/Heart Rate Variability
sdnn
Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals
Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals Clinical Data/Diagnostic Studies/Heart Rate Variability
sdnnidx
Mean of the standard deviations of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
Mean of the standard deviations of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage01
Sleep stage of first 30 second epoch in 5 minute window
Sleep stage of first 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage02
Sleep stage of second 30 second epoch in 5 minute window
Sleep stage of second 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage03
Sleep stage of third 30 second epoch in 5 minute window
Sleep stage of third 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage04
Sleep stage of fourth 30 second epoch in 5 minute window
Sleep stage of fourth 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage05
Sleep stage of fifth 30 second epoch in 5 minute window
Sleep stage of fifth 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage06
Sleep stage of sixth 30 second epoch in 5 minute window
Sleep stage of sixth 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage07
Sleep stage of seventh 30 second epoch in 5 minute window
Sleep stage of seventh 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage08
Sleep stage of eighth 30 second epoch in 5 minute window
Sleep stage of eighth 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage09
Sleep stage of ninth 30 second epoch in 5 minute window
Sleep stage of ninth 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
sleepstage10
Sleep stage of tenth 30 second epoch in 5 minute window
Sleep stage of tenth 30 second epoch in 5 minute window Clinical Data/Diagnostic Studies/Heart Rate Variability
start__sec_
5 minute window start time
5 minute window start time Clinical Data/Diagnostic Studies/Heart Rate Variability
tot_pwr
Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz
Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz Clinical Data/Diagnostic Studies/Heart Rate Variability
ulf
Ultra-low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0 and 0.003 Hz
Ultra-low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0 and 0.003 Hz Clinical Data/Diagnostic Studies/Heart Rate Variability
vlf
Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz
Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz Clinical Data/Diagnostic Studies/Heart Rate Variability
ang_date
Days to First Angina Episodes Since Baseline
Days to First Angina Episodes Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first angina pectoris episode

Clinical Data/Incident Outcomes/Cardiovascular Diseases
bpmeds
Interim Follow-up: Treated for high blood pressure (BP) with medications since sleep study
Interim Follow-up: Treated for high blood pressure (BP) with medications since sleep study Clinical Data/Incident Outcomes/Cardiovascular Diseases
cabg_date
Days to First coronary artery bypass graft surgery (CABG) Since Baseline
Days to First coronary artery bypass graft surgery (CABG) Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first coronary artery bypass graft surgery (CABG)

Clinical Data/Incident Outcomes/Cardiovascular Diseases
cabgptca
Interim Follow-up: Coronary artery bypass graft surgery (CABG)/Percutaneous transluminal coronary angioplasty (PTCA) during interval since the prior parent exam
Interim Follow-up: Coronary artery bypass graft surgery (CABG)/Percutaneous transluminal coronary angioplasty (PTCA) during interval since the prior parent exam Clinical Data/Incident Outcomes/Cardiovascular Diseases
cabgptcadt
Interim Follow-up: Days from index date to Coronary artery bypass graft surgery (CABG)/Percutaneous transluminal coronary angioplasty (PTCA)
Interim Follow-up: Days from index date to Coronary artery bypass graft surgery (CABG)/Percutaneous transluminal coronary angioplasty (PTCA) Clinical Data/Incident Outcomes/Cardiovascular Diseases
carotidend
Interim Follow-up: Carotid Endarterectomy during interval since the prior parent exam
Interim Follow-up: Carotid Endarterectomy during interval since the prior parent exam Clinical Data/Incident Outcomes/Cardiovascular Diseases
carotidenddt
Interim Follow-up: Days from index date to Carotid Endarterectomy
Interim Follow-up: Days from index date to Carotid Endarterectomy Clinical Data/Incident Outcomes/Cardiovascular Diseases
censdate
Days to Most Recent Contact or Death Since Baseline
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
chd_dthdt
Days to Fatal Coronary Heart Disease (CHD) Since Baseline
Days to Fatal Coronary Heart Disease (CHD) Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of Coronary Heart Disease (CHD) death

Clinical Data/Incident Outcomes/Cardiovascular Diseases
chf_date
Days to First Congestive Heart Failure (CHF) Since Baseline
Days to First Congestive Heart Failure (CHF) Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first Congestive Heart Failure (CHF)

Clinical Data/Incident Outcomes/Cardiovascular Diseases
chfdt
Interim Follow-up: Days from index date to Congestive Heart Failure (CHF)
Interim Follow-up: Days from index date to Congestive Heart Failure (CHF) Clinical Data/Incident Outcomes/Cardiovascular Diseases
cvd_dthdt
Days to Fatal Cardiovascular Disease (CVD) Since Baseline
Days to Fatal Cardiovascular Disease (CVD) Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of Cardiovascular Disease (CVD) death

Clinical Data/Incident Outcomes/Cardiovascular Diseases
event
Event type
Event type Clinical Data/Incident Outcomes/Cardiovascular Diseases
event_dt
Days from baseline to first myocardial infarction (MI) or stroke
Days from baseline to first myocardial infarction (MI) or stroke Clinical Data/Incident Outcomes/Cardiovascular Diseases
fstk_type
Type of fatal stroke
Type of fatal stroke Clinical Data/Incident Outcomes/Cardiovascular Diseases
maxinflation
Interim Follow-up: Palpated + 30
Interim Follow-up: Palpated + 30 Clinical Data/Incident Outcomes/Cardiovascular Diseases
mi_date
Days to First myocardial infarction (MI) Since Baseline
Days to First myocardial infarction (MI) Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first myocardial infarction (MI)

Clinical Data/Incident Outcomes/Cardiovascular Diseases
midt
Interim Follow-up: Days from index date to myocardial infarction (MI)
Interim Follow-up: Days from index date to myocardial infarction (MI) Clinical Data/Incident Outcomes/Cardiovascular Diseases
mip_date
Days to First myocardial infarction (MI) Procedure Since Baseline
Days to First myocardial infarction (MI) Procedure Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first myocardial infarction (MI) procedure

Clinical Data/Incident Outcomes/Cardiovascular Diseases
mi_priorexam
Interim Follow-up: Myocardial infarction (MI) during interval since the prior parent exam
Interim Follow-up: Myocardial infarction (MI) during interval since the prior parent exam Clinical Data/Incident Outcomes/Cardiovascular Diseases
ptca_date
Days to First Percutaneous transluminal coronary angioplasty (PTCA) Since Baseline
Days to First Percutaneous transluminal coronary angioplasty (PTCA) Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first Percutaneous transluminal coronary angioplasty (PTCA)

Clinical Data/Incident Outcomes/Cardiovascular Diseases
revpro_date
Days to First Revascularization Procedure Since Baseline
Days to First Revascularization Procedure Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first revascularization procedure

Clinical Data/Incident Outcomes/Cardiovascular Diseases
stk_date
Days to First Stroke Since Baseline
Days to First Stroke Since Baseline

Time since Sleep Heart Health Study Visit One (SHHS 1) Sleep Study to date of first stroke

Clinical Data/Incident Outcomes/Cardiovascular Diseases
stk_type
Type of stroke
Type of stroke Clinical Data/Incident Outcomes/Cardiovascular Diseases
stroketia
Interim Follow-up: Stroke or Transient Ischemic Attack (TIA) during interval since the prior parent exam
Interim Follow-up: Stroke or Transient Ischemic Attack (TIA) during interval since the prior parent exam Clinical Data/Incident Outcomes/Cardiovascular Diseases
stroketiadt
Interim Follow-up: Days from index date to Stroke or Transient Ischemic Attack (TIA)
Interim Follow-up: Days from index date to Stroke or Transient Ischemic Attack (TIA) Clinical Data/Incident Outcomes/Cardiovascular Diseases
ankbp
Supine ankle systolic blood pressure (BP)
Supine ankle systolic blood pressure (BP) Clinical Data/Vital Signs/Seated Blood Pressure
armbp
Supine arm systolic blood pressure (BP)
Supine arm systolic blood pressure (BP) Clinical Data/Vital Signs/Seated Blood Pressure
avgdias
Interim Follow-up: Average diastolic blood pressure
Interim Follow-up: Average diastolic blood pressure

Sleep Heart Health Study (SHHS) protocol: average of 2nd and 3rd reading PARENT STUDY: average of all three readings

Clinical Data/Vital Signs/Seated Blood Pressure/Interim
avgsys
Interim Follow-up: Average systolic blood pressure
Interim Follow-up: Average systolic blood pressure

Sleep Heart Health Study (SHHS) protocol: average of 2nd and 3rd reading PARENT STUDY: average of all three readings

Clinical Data/Vital Signs/Seated Blood Pressure/Interim
bpprotocol
Interim Follow-up: Protocol used to measure blood pressure (BP)
Interim Follow-up: Protocol used to measure blood pressure (BP)

Protocol indicator for avgdias and avgsys

Clinical Data/Vital Signs/Seated Blood Pressure/Interim
bptime
Interim Follow-up: Time blood pressure (BP) was measured
Interim Follow-up: Time blood pressure (BP) was measured Clinical Data/Vital Signs/Seated Blood Pressure/Interim
cuffsize
Interim Follow-up: Cuff size
Interim Follow-up: Cuff size Clinical Data/Vital Signs/Seated Blood Pressure/Interim
diastolic1
Interim Follow-up: Diastolic blood pressure (BP) - first reading
Interim Follow-up: Diastolic blood pressure (BP) - first reading Clinical Data/Vital Signs/Seated Blood Pressure/Interim
diastolic2
Interim Follow-up: Diastolic blood pressure (BP) - second reading
Interim Follow-up: Diastolic blood pressure (BP) - second reading Clinical Data/Vital Signs/Seated Blood Pressure/Interim
diastolic3
Interim Follow-up: Diastolic blood pressure (BP) - third reading
Interim Follow-up: Diastolic blood pressure (BP) - third reading Clinical Data/Vital Signs/Seated Blood Pressure/Interim
palpatedsyst
Interim Follow-up: Palpated systolic blood pressure
Interim Follow-up: Palpated systolic blood pressure Clinical Data/Vital Signs/Seated Blood Pressure/Interim
systolic1
Interim Follow-up: Systolic blood pressure (BP) - first reading
Interim Follow-up: Systolic blood pressure (BP) - first reading Clinical Data/Vital Signs/Seated Blood Pressure/Interim
systolic2
Interim Follow-up: Systolic blood pressure (BP) - second reading
Interim Follow-up: Systolic blood pressure (BP) - second reading Clinical Data/Vital Signs/Seated Blood Pressure/Interim
systolic3
Interim Follow-up: Systolic blood pressure (BP) - third reading
Interim Follow-up: Systolic blood pressure (BP) - third reading Clinical Data/Vital Signs/Seated Blood Pressure/Interim
aai
Ankle-arm Blood Pressure (BP) Index (Sleep Heart Health Study Visit One (SHHS1))
Ankle-arm Blood Pressure (BP) Index (Sleep Heart Health Study Visit One (SHHS1))

Ratio of ankle to arm systolic blood pressure (BP)

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
dias120
Diastolic blood pressure (BP): reading 1 of 3 (Sleep Heart Health Study Visit One (SHHS1))
Diastolic blood pressure (BP): reading 1 of 3 (Sleep Heart Health Study Visit One (SHHS1))

Seated diastolic blood pressure (BP)- first reading

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
dias220
Diastolic blood pressure (BP): reading 2 of 3 (Sleep Heart Health Study Visit One (SHHS1))
Diastolic blood pressure (BP): reading 2 of 3 (Sleep Heart Health Study Visit One (SHHS1))

Seated diastolic blood pressure (BP)- second reading

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
dias320
Diastolic blood pressure (BP): reading 3 of 3 (Sleep Heart Health Study Visit One (SHHS1))
Diastolic blood pressure (BP): reading 3 of 3 (Sleep Heart Health Study Visit One (SHHS1))

Seated diastolic blood pressure (BP)- third reading

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
syst120
Systolic blood pressure (BP): reading 1 of 3 (Sleep Heart Health Study Visit One (SHHS1))
Systolic blood pressure (BP): reading 1 of 3 (Sleep Heart Health Study Visit One (SHHS1))

Seated systolic blood pressure (BP)- first reading

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
syst220
Systolic blood pressure (BP): reading 2 of 3 (Sleep Heart Health Study Visit One (SHHS1))
Systolic blood pressure (BP): reading 2 of 3 (Sleep Heart Health Study Visit One (SHHS1))

Seated systolic blood pressure (BP)- second reading

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
syst320
Systolic blood pressure (BP): reading 3 of 3 (Sleep Heart Health Study Visit One (SHHS1))
Systolic blood pressure (BP): reading 3 of 3 (Sleep Heart Health Study Visit One (SHHS1))

Seated systolic blood pressure (BP)- third reading

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS1
pm217
Site of Arm blood pressure (BP) Measurement (Sleep Heart Health Study Visit Two (SHHS2))
Site of Arm blood pressure (BP) Measurement (Sleep Heart Health Study Visit Two (SHHS2))

17. Arm blood pressure (BP) site:

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm220a1
Systolic blood pressure (BP) (measurement 1) (Sleep Heart Health Study Visit Two (SHHS2))
Systolic blood pressure (BP) (measurement 1) (Sleep Heart Health Study Visit Two (SHHS2))

20. Seated Blood Pressure (BP): a. First reading: systolic

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm220a2
Diastolic blood pressure (BP) (measurement 1) (Sleep Heart Health Study Visit Two (SHHS2))
Diastolic blood pressure (BP) (measurement 1) (Sleep Heart Health Study Visit Two (SHHS2))

20. Seated Blood Pressure (BP): a. First reading: diastolic

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm220b1
Systolic blood pressure (BP) (measurement 2) (Sleep Heart Health Study Visit Two (SHHS2))
Systolic blood pressure (BP) (measurement 2) (Sleep Heart Health Study Visit Two (SHHS2))

20. Seated Blood Pressure (BP): b. Second reading: systolic

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm220b2
Diastolic blood pressure (BP) (measurement 2) (Sleep Heart Health Study Visit Two (SHHS2))
Diastolic blood pressure (BP) (measurement 2) (Sleep Heart Health Study Visit Two (SHHS2))

20. Seated Blood Pressure (BP): b. Second reading: diastolic

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm220c1
Systolic blood pressure (BP) (measurement 3) (Sleep Heart Health Study Visit Two (SHHS2))
Systolic blood pressure (BP) (measurement 3) (Sleep Heart Health Study Visit Two (SHHS2))

20. Seated Blood Pressure (BP): c. Third reading: systolic

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm220c2
Diastolic blood pressure (BP) (measurement 3) (Sleep Heart Health Study Visit Two (SHHS2))
Diastolic blood pressure (BP) (measurement 3) (Sleep Heart Health Study Visit Two (SHHS2))

20. Seated Blood Pressure (BP): c. Third reading: diastolic

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2
pm226a
Doppler Systolic blood pressure (BP) (Sleep Heart Health Study Visit Two (SHHS2))
Doppler Systolic blood pressure (BP) (Sleep Heart Health Study Visit Two (SHHS2))

26. Ankle-arm Blood Pressure Index (AAI) Doppler Obliteration Pressure a. Doppler Systolic:

Clinical Data/Vital Signs/Seated Blood Pressure/SHHS2