Name | Label | Folder | |
---|---|---|---|
vst_year
Year of polysomnography data collection
|
Year of polysomnography data collection | Administrative | |
wsc_id
Unique identifier
|
Unique identifier
Randomly generated |
Administrative | |
wsc_vst
Study visit number
|
Study visit number
Sequential visit |
Administrative | |
bmi
Body mass index (BMI)
|
Body mass index (BMI) | Anthropometry | |
weightkg
Weight
|
Weight
Record weight to the nearest 0.5 kg on mechanical beam scale. |
Anthropometry | |
death_year
Death Year
|
Death Year | Clinical Data/Incident Outcomes | |
dbp_mean
Mean of seated diastolic pressures
|
Mean of seated diastolic pressures
Mean of two standard seated blood pressure measurements on the night of the PSG. If repeat measurements were taken, the mean of the closest two measurements. |
Clinical Data/Vital Signs | |
sbp_mean
Mean of seated systolic measures
|
Mean of seated systolic measures
Mean of two standard seated blood pressure measurements on the night of the PSG. If repeat measurements were taken, the mean of the closest two measurements. |
Clinical Data/Vital Signs | |
age
Age of the participant
|
Age of the participant
Age at time of study visit |
Demographics | |
race
Race of the participant
|
Race of the participant | Demographics | |
sex
Sex of the participant
|
Sex of the participant | Demographics | |
state
State-Trait Anxiety Inventory (State Anxiety Subscale) Score
|
State-Trait Anxiety Inventory (State Anxiety Subscale) Score
Sum of 20 items from State Anxiety Questionnaire. When there are 2 or less missing, the average of all of the other scores are used to create the sum variable |
General Health/State Trait Anxiety Inventory | |
trait
Trait Anxiety Score
|
Trait Anxiety Score
Sum of 20 items from Trait Anxiety Questionnaire. When there are 2 or less missing, the average of all of the other scores are used to create the sum variable |
General Health/State Trait Anxiety Inventory | |
zung_index
Standardized Zung Depression Scale Total Score
|
Standardized Zung Depression Scale Total Score
Scaled Zung Depression Scale score used with clinical cutpoints |
General Health/Zung Depression Scale | |
nsrr_bmi
Body mass index (BMI)
|
Body mass index (BMI)
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: bmi |
Harmonized/Anthropometry | |
nsrr_bp_diastolic
Diastolic blood pressure
|
Diastolic blood pressure
Average resting diastolic blood pressure of two measurements collected from the upper arm in a single clinic visit.When more than two measurements were collected, the average was calculated using the two closest measurements. |
Harmonized/Clinical Data | |
nsrr_bp_systolic
Systolic blood pressure
|
Systolic blood pressure
Average resting systolic blood pressure of two measurements collected from the upper arm in a single clinic visit. When more than two measurements were collected, the average was calculated using the two closest measurements. |
Harmonized/Clinical Data | |
nsrr_age
Subject age
|
Subject age
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: age |
Harmonized/Demographics | |
nsrr_age_gt89
Indicates whether the subject's age (in years) used during date obfuscation is greater than 89 years
|
Indicates whether the subject's age (in years) used during date obfuscation is greater than 89 years
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: age |
Harmonized/Demographics | |
nsrr_race
Subject race
|
Subject race
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: race |
Harmonized/Demographics | |
nsrr_sex
Subject sex
|
Subject sex
Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: sex |
Harmonized/Demographics | |
nsrr_current_smoker
Currently smoking cigarettes
|
Currently smoking cigarettes
Indicates whether subject currently smokes cigarettes. |
Harmonized/Lifestyle and Behavioral Health | |
nsrr_ever_smoker
Ever smoked cigarettes
|
Ever smoked cigarettes
Indicates whether subject ever regularly smoked cigarettes. |
Harmonized/Lifestyle and Behavioral Health | |
nsrr_ahi_hp4u_aasm15
Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep
|
Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of sleep
Harmonized by the NSRR team. |
Harmonized/Polysomnography/Apnea-Hypopnea Indices | |
nsrr_ttldursp_f1
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
|
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from polysomnography
Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater). |
Harmonized/Polysomnography/Sleep Architecture | |
mslt
MSLT Score
|
MSLT Score
Average of first four naps |
Sleep Monitoring/Other Sleep Tests/Multiple Sleep Latency Test (MSLT) | |
ahi
Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with discernible flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hours of sleep from type I polysomnography
|
Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with discernible flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hours of sleep from type I polysomnography
Calculated - Summary metric of sleep disordered breathing events |
Sleep Monitoring/Polysomnography | |
minsao2tst
Minimum level of oxygen saturation in total sleep duration from type I polysomnography
|
Minimum level of oxygen saturation in total sleep duration from type I polysomnography
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography | |
ptstl90
Percent of the total sleep duration with oxygen saturation below 90% from type I polysomnography
|
Percent of the total sleep duration with oxygen saturation below 90% from type I polysomnography
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography | |
se
Sleep Efficiency: the proportion of sleep duration in in-bed period from type I polysomnography
|
Sleep Efficiency: the proportion of sleep duration in in-bed period from type I polysomnography
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep (i.e. total sleep time, TST), while in-bed period is the interval between lights off/in-bed time and lights on/out-bed time (i.e. time in bed, TIB). |
Sleep Monitoring/Polysomnography | |
tst
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
|
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater). |
Sleep Monitoring/Polysomnography | |
waso
Wake After Sleep Onset: the total duration between sleep onset and lights-on/out-bed time while being awake from type I polysomnography
|
Wake After Sleep Onset: the total duration between sleep onset and lights-on/out-bed time while being awake from type I polysomnography | Sleep Monitoring/Polysomnography | |
ho_score
Modified Horne Ostberg Morningness-Eveningness Questionnaire Score
|
Modified Horne Ostberg Morningness-Eveningness Questionnaire Score
Calculated - Summary score derived based on modified Horne-Ostberg Morningness-Eveningness Questionnaire. Horne JA and Ostberg O, 1976 (PubMed ID: 1027738) |
Sleep Questionnaires/Chronotype | |
ess
Epworth Sleepiness Scale: Total score
|
Epworth Sleepiness Scale: Total score
Calculated - Total score based on an 8-item questionnaire ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. |
Sleep Questionnaires/Hypersomnia | |
apnea
Sleep Apnea: Self-reported diagnosis by a physician
|
Sleep Apnea: Self-reported diagnosis by a physician
Have you ever been told by a doctor that you have sleep apnea? |
Sleep Questionnaires/Sleep Disorder | |
tso
Self-reported sleep latency
|
Self-reported sleep latency
About how many minutes does it usually take you to fall asleep at night? _____#minutes |
Sleep Questionnaires/Sleep Habits | |
apnea_treatment_year
Year of apnea treatment
|
Year of apnea treatment | Administrative | |
headcm
Head circumference
|
Head circumference
Position the tape slightly above the eyebrows in a horizontal plane to the back of the head, measuring the maximum circumference. Make sure not to include large amounts of hair and hair accessories under the tape. Pull tape slightly to compress hair and record measurement to the nearest 0.5 cm |
Anthropometry | |
heightcm
Height
|
Height
Height (without shoes) to the nearest cm. on mechanical beam scale with participant facing outward and measuring bar perpendicular to floor |
Anthropometry | |
hip_girth1
First measurement of hip girth
|
First measurement of hip girth
Measure at largest circumference over the buttocks with participant standing erect with arms at side |
Anthropometry | |
hip_girth2
Second measurement of hip girth
|
Second measurement of hip girth
Measure at largest circumference over the buttocks with participant standing erect with arms at side |
Anthropometry | |
hipgirthm
Mean of hip girth measures
|
Mean of hip girth measures | Anthropometry | |
neck_girth1
First measurement of neck girth
|
First measurement of neck girth
With participant sitting or standing erect, measure below 'Adam's Apple' at the smallest circumference of neck with tape perpendicular to the long axis of the neck |
Anthropometry | |
neck_girth2
Second measurement of neck girth
|
Second measurement of neck girth
With participant sitting or standing erect, measure below 'Adam's Apple' at the smallest circumference of neck with tape perpendicular to the long axis of the neck |
Anthropometry | |
neckgirthm
Mean of neck girth measures
|
Mean of neck girth measures | Anthropometry | |
waist_girth1
First measurement of waist girth
|
First measurement of waist girth
With participant standing erect with arms at side and abdomen relaxed, measure at the smallest circumference near the navel and above the pelvis at the natural waistline. If no obvious waist, measure at the navel |
Anthropometry | |
waist_girth2
Second measurement of waist girth
|
Second measurement of waist girth
With participant standing erect with arms at side and abdomen relaxed, measure at the smallest circumference near the navel and above the pelvis at the natural waistline. If no obvious waist, measure at the navel |
Anthropometry | |
waistgirthm
Mean of waist girth measurements
|
Mean of waist girth measurements | Anthropometry | |
waisthip
Waist to hip ratio
|
Waist to hip ratio | Anthropometry | |
death_cause_1
Death cause #1
|
Death cause #1
Cause of death came from death certificates with an internal adjudication process to categorize cause of death into grouping for research purposes. Death certificate searches were completed on a regular basis. Due to delays in reporting of deaths and death searches, cause of death was not available for all known deaths; based on the last search, death year was available for deaths reported through 2017. (CVD = Cardiovascular Disease) |
Clinical Data/Incident Outcomes | |
death_cause_2
Death cause #2
|
Death cause #2
Cause of death came from death certificates with an internal adjudication process to categorize cause of death into grouping for research purposes. Death certificate searches were completed on a regular basis. Due to delays in reporting of deaths and death searches, cause of death was not available for all known deaths; based on the last search, death year was available for deaths reported through 2017. (CVD = Cardiovascular Disease) |
Clinical Data/Incident Outcomes | |
death_type_1
More Detail on Cause of Death #1
|
More Detail on Cause of Death #1
Afib=Atrial Fibrillation, Athero_HD=Atherosclerosis, CHF=Congestive Heart Failure, MI=Myocardial Infarction, Vfib=Ventricular Fibrillation, PE=Pulmonary Embolism, AD=Alzheimers Disease, UTI=Urinary Track Infection, COPD=Chronic Obstructive Pulmonary Disease, ESRD=End Stage Renal Disease |
Clinical Data/Incident Outcomes | |
death_type_2
More Detail on Cause of Death #2
|
More Detail on Cause of Death #2
Afib=Atrial Fibrillation, Athero_HD=Atherosclerosis, CHF=Congestive Heart Failure, MI=Myocardial Infarction, Vfib=Ventricular Fibrillation, PE=Pulmonary Embolism, AD=Alzheimers Disease, UTI=Urinary Track Infection, COPD=Chronic Obstructive Pulmonary Disease, ESRD=End Stage Renal Disease |
Clinical Data/Incident Outcomes | |
creatinine
Creatinine
|
Creatinine
Measure of creatinine level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
glucose
Glucose
|
Glucose
Measure of glucose level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
hdl
HDL Cholesterol
|
HDL Cholesterol
Measure of HDL level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
ldl
LDL Cholesterol
|
LDL Cholesterol
Measure of LDL level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
total_cholesterol
Total cholesterol
|
Total cholesterol
Measure of total cholesterol level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
triglycerides
Triglycerides
|
Triglycerides
Measure of triglyceride level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
uric_acid
Uric acid
|
Uric acid
Measure of uric acid level in blood, obtained from fasting blood draw on the morning after the overnight PSG |
Clinical Data/Laboratory Tests | |
ankle_left1
First blood pressure from left ankle
|
First blood pressure from left ankle
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_left2
Second blood pressure from left ankle
|
Second blood pressure from left ankle
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_left_repeat
First repeat of blood pressure from left ankle, if needed
|
First repeat of blood pressure from left ankle, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_left_repeat2
Second repeat of blood pressure from left ankle, if needed
|
Second repeat of blood pressure from left ankle, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_right1
First blood pressure from right ankle
|
First blood pressure from right ankle
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_right2
Second blood pressure from right ankle
|
Second blood pressure from right ankle
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_right_repeat
First repeat of blood pressure from right ankle, if needed
|
First repeat of blood pressure from right ankle, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
ankle_right_repeat2
Second repeat of blood pressure from right ankle, if needed
|
Second repeat of blood pressure from right ankle, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_left1
First blood pressure from left arm
|
First blood pressure from left arm
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_left2
Second blood pressure from left arm
|
Second blood pressure from left arm
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_left_repeat
First repeat of blood pressure from left arm, if needed
|
First repeat of blood pressure from left arm, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_left_repeat2
Second repeat of blood pressure from left arm, if needed
|
Second repeat of blood pressure from left arm, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_right1
First blood pressure from right arm
|
First blood pressure from right arm
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_right2
Second blood pressure from right arm
|
Second blood pressure from right arm
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_right_repeat
First repeat of blood pressure from right arm, if needed
|
First repeat of blood pressure from right arm, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
arm_right_repeat2
Second repeat of blood pressure from right arm, if needed
|
Second repeat of blood pressure from right arm, if needed
Brachial blood pressure by Dopler at the overnight PSG |
Clinical Data/Vital Signs | |
education_survey1
Highest education level completed by the participant
|
Highest education level completed by the participant | Demographics/Education | |
shift_worker
Shift Worker (from Health Interview)
|
Shift Worker (from Health Interview) | Demographics/Employment | |
eval_health
Self-reported general health
|
Self-reported general health
In general, would you say your health is (check one): |
General Health | |
eval_life
Self-reported satisfaction with life
|
Self-reported satisfaction with life
How satisfied are you with the way you are spending your life (check one)? |
General Health | |
zung10_scored
Zung Depression Scale Item: I get tired for no reason.
|
Zung Depression Scale Item: I get tired for no reason.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung11_scored
Zung Depression Scale Item: My mind is as clear as it used to be.
|
Zung Depression Scale Item: My mind is as clear as it used to be.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung12_scored
Zung Depression Scale Item: I find it easy to do the things I used to do.
|
Zung Depression Scale Item: I find it easy to do the things I used to do.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung13_scored
Zung Depression Scale Item: I am restless and can not keep still.
|
Zung Depression Scale Item: I am restless and can not keep still.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung14_scored
Zung Depression Scale Item: I feel hopeful about the future.
|
Zung Depression Scale Item: I feel hopeful about the future.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung15_scored
Zung Depression Scale Item: I am more irritable than usual.
|
Zung Depression Scale Item: I am more irritable than usual.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung16_scored
Zung Depression Scale Item: I find it easy to make decisions.
|
Zung Depression Scale Item: I find it easy to make decisions.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung17_scored
Zung Depression Scale Item: I feel that I am useful and needed.
|
Zung Depression Scale Item: I feel that I am useful and needed.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung18_scored
Zung Depression Scale Item: My life is pretty full.
|
Zung Depression Scale Item: My life is pretty full.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung19_scored
Zung Depression Scale Item: I feel that others would be better off if I were dead.
|
Zung Depression Scale Item: I feel that others would be better off if I were dead.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung1_scored
Zung Depression Scale Item: I feel down-hearted, blue and sad.
|
Zung Depression Scale Item: I feel down-hearted, blue and sad.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung20_scored
Zung Depression Scale Item: I still enjoy the things I used to do.
|
Zung Depression Scale Item: I still enjoy the things I used to do.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung2_scored
Zung Depression Scale Item: Morning is when I feel the best.
|
Zung Depression Scale Item: Morning is when I feel the best.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung3_scored
Zung Depression Scale Item: I have crying spells or feel like it.
|
Zung Depression Scale Item: I have crying spells or feel like it.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung4_scored
Zung Depression Scale Item: I have trouble sleeping through the night.
|
Zung Depression Scale Item: I have trouble sleeping through the night.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung5_scored
Zung Depression Scale Item: I eat as much as I used to.
|
Zung Depression Scale Item: I eat as much as I used to.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung6_scored
Zung Depression Scale Item: I enjoy looking at, talking to and being with attractive women/men.
|
Zung Depression Scale Item: I enjoy looking at, talking to and being with attractive women/men.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung7_scored
Zung Depression Scale Item: I notice that I am losing weight.
|
Zung Depression Scale Item: I notice that I am losing weight.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung8_scored
Zung Depression Scale Item: I have trouble with constipation.
|
Zung Depression Scale Item: I have trouble with constipation.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale | |
zung9_scored
Zung Depression Scale Item: My heart beats faster than usual.
|
Zung Depression Scale Item: My heart beats faster than usual.
Items from the Zung Depression Scale Zung WW 1965 (PubMed ID: 14221692) |
General Health/Zung Depression Scale |