We've updated our privacy policy.

Best Apnea Interventions in Research

Name Label Folder
final_visit
Final visit month
Final visit month Administrative
nsrrid
NSRR Subject Identifier
NSRR Subject Identifier

The National Sleep Research Resource (NSRR) subject identifier links the subject's data and files.

Administrative
pooled_treatmentarm
Pooled treatment arm
Pooled treatment arm Administrative
rand_manufacturer
Device manufacturer
Device manufacturer Administrative
rand_treatmentarm
Treatment arm
Treatment arm

CMT consisted of education on sleep hygiene, healthy lifestyle, and nasal dilator strips for use during sleep. ME consisted of a behavioral intervention to improve CPAP adherence, as described in Bakker et al.2017 (PMCID: PMC4980541).

Administrative
siteid
Recoded Site ID
Recoded Site ID

Randomized participants were stratified by site. The site location has been recoded because it is an identifier.

Administrative
visitnumber
Visit number
Visit number Administrative
bmi
Body mass index (BMI)
Body mass index (BMI) Anthropometry
bloods_hdlchol
High-density lipoproteins (HDL) cholesterol
High-density lipoproteins (HDL) cholesterol Biochemical Results
bloods_hemoa1c
Glycated hemoglobin (HbA1c)
Glycated hemoglobin (HbA1c) Biochemical Results
bloods_insulinfast
Fasting insulin
Fasting insulin Biochemical Results
bloods_ldlcholcalc
Low-density lipoproteins (LDL) cholesterol
Low-density lipoproteins (LDL) cholesterol Biochemical Results
bloods_totalchol
Total cholesterol
Total cholesterol Biochemical Results
bp24dbpweight
Weighted average of diastolic blood pressure (DBP)
Weighted average of diastolic blood pressure (DBP) Blood Pressure (BP)/Ambulatory
bp24mapweight
Weighted average of mean arterial pressure (MAP)
Weighted average of mean arterial pressure (MAP) Blood Pressure (BP)/Ambulatory
bp24sbpweight
Weighted average of systolic blood pressure (SBP)
Weighted average of systolic blood pressure (SBP) Blood Pressure (BP)/Ambulatory
avgseateddiastolic
Average seated diastolic blood pressure (DBP)
Average seated diastolic blood pressure (DBP) Blood Pressure (BP)/Seated
avgseatedsystolic
Average seated systolic blood pressure (SBP)
Average seated systolic blood pressure (SBP) Blood Pressure (BP)/Seated
age
Age at visit
Age at visit Demographics
ethnicity
Ethnicity
Ethnicity Demographics
gender
Gender
Gender Demographics
race
Race
Race Demographics
cal_total
Total score of the Calgary Sleep Apnea Quality of Life Index (SAQLI)
Total score of the Calgary Sleep Apnea Quality of Life Index (SAQLI) Questionnaires/Calgary Sleep Apnea Quality of Life Index (SAQLI)
ess_total
Total score of Epworth Sleepiness Scale (ESS)
Total score of Epworth Sleepiness Scale (ESS) Questionnaires/Epworth Sleepiness Scale (ESS)
shq_diabetes
Self-reported physician diagnosis of diabetes
Self-reported physician diagnosis of diabetes Questionnaires/Health and Medical History/Self
shq_diabetesmed
Self-reported medications for diabetes
Self-reported medications for diabetes Questionnaires/Health and Medical History/Self
shq_highbp
Self-reported physician diagnosis of high blood pressure or hypertension
Self-reported physician diagnosis of high blood pressure or hypertension Questionnaires/Health and Medical History/Self
shq_highbpmed
Self-reported medications for high blood pressure/hypertension
Self-reported medications for high blood pressure/hypertension Questionnaires/Health and Medical History/Self
shq_highcholes
Self-reported physician diagnosis of high blood cholesterol
Self-reported physician diagnosis of high blood cholesterol Questionnaires/Health and Medical History/Self
phq8_total
Total score of 8-item Patient Health Questionnaire Depression Scale (PHQ-8)
Total score of 8-item Patient Health Questionnaire Depression Scale (PHQ-8) Questionnaires/Patient Health Questionnaire (PHQ-8)
prom_sdscale
Sleep disturbance (short form)
Sleep disturbance (short form) Questionnaires/PROMIS Sleep disturbance (short form)
whiirs_total
Total score of Women's Health Initiative Insomnia Rating Scale (WHIIRS)
Total score of Women's Health Initiative Insomnia Rating Scale (WHIIRS) Questionnaires/Whomen's Health Initiative Insomnia Rating Scale (WHIIRS)
ahi_primary
Apnea-Hypopnea Index (AHI)
Apnea-Hypopnea Index (AHI) Sleep Test
slp_eff
Calculated - sleep efficiency
Calculated - sleep efficiency Sleep Test
waso
Calculated - wake after sleep onset (WASO)
Calculated - wake after sleep onset (WASO) Sleep Test
avgheightcm
Average height
Average height Anthropometry
avghipcm
Average hip circumference
Average hip circumference Anthropometry
avgneckcm
Average neck circumference
Average neck circumference Anthropometry
avgwaistcm
Average waist circumference
Average waist circumference Anthropometry
bloods_albumin_creatin_ratio
Urine albumin/creatinine ratio (ACR)
Urine albumin/creatinine ratio (ACR) Biochemical Results
bloods_bnp
B-type natriuretic peptide (BNP)
B-type natriuretic peptide (BNP) Biochemical Results
bloods_creactivepro
C-Reactive protein (CRP)
C-Reactive protein (CRP) Biochemical Results
bloods_fibrinactivity
Fibrinogen activity
Fibrinogen activity Biochemical Results
bloods_gfr
Glomerular filtration rate (GFR)
Glomerular filtration rate (GFR) Biochemical Results
bloods_il6
Interleukin 6 (IL-6)
Interleukin 6 (IL-6) Biochemical Results
bloods_pai1
Plasminogen activator inhibitor-1 (PAI-1)
Plasminogen activator inhibitor-1 (PAI-1) Biochemical Results
bloods_serumcreatin
Serum creatinine
Serum creatinine Biochemical Results
bloods_serumgluc
Serum glucose
Serum glucose Biochemical Results
bloods_triglyc
Triglycerides
Triglycerides Biochemical Results
bloods_urinecreatin
Urine creatinine
Urine creatinine Biochemical Results
bloods_urinemicro
Urine microalbumin
Urine microalbumin Biochemical Results
bloods_vldlcholcal
Very low-density lipoproteins (VLDL) cholesterol
Very low-density lipoproteins (VLDL) cholesterol Biochemical Results
dianondipping
Presence of diastolic blood pressure (DBP) dipping
Presence of diastolic blood pressure (DBP) dipping Blood Pressure (BP)/Ambulatory
endsleep
Sleep end time
Sleep end time Blood Pressure (BP)/Ambulatory
endtime
End time
End time Blood Pressure (BP)/Ambulatory
heartnondipping
Presence of heart rate dipping
Presence of heart rate dipping Blood Pressure (BP)/Ambulatory
mapnondipping
Presence of mean arterial pressure dipping
Presence of mean arterial pressure dipping Blood Pressure (BP)/Ambulatory
nreadings
Number of readings
Number of readings Blood Pressure (BP)/Ambulatory
nsleep
Number of sleep readings
Number of sleep readings Blood Pressure (BP)/Ambulatory
nvalid
Number of valid readings
Number of valid readings Blood Pressure (BP)/Ambulatory
nwake
Number of awake readings
Number of awake readings Blood Pressure (BP)/Ambulatory
pctvalid
Percent valid readings
Percent valid readings Blood Pressure (BP)/Ambulatory
startsleep
Sleep start time
Sleep start time Blood Pressure (BP)/Ambulatory
starttime
Start time
Start time Blood Pressure (BP)/Ambulatory
sysnondipping
Presence of systolic blood pressure (SBP) dipping
Presence of systolic blood pressure (SBP) dipping Blood Pressure (BP)/Ambulatory
avgseatedpulse
Average seated radial pulse rate
Average seated radial pulse rate Blood Pressure (BP)/Seated
a4crveda
Apical 4 chamber view: Right ventricular end-diastolic area (RV - EDA)
Apical 4 chamber view: Right ventricular end-diastolic area (RV - EDA) Echocardiography (EKG)
a4crvesa
Apical 4 chamber view: Right ventricular end-systolic area (RV - ESA)
Apical 4 chamber view: Right ventricular end-systolic area (RV - ESA) Echocardiography (EKG)
eeprimelat
Ratio of early mitral inflow velocity to lateral mitral annular early diastolic velocity (E/E' Lateral)
Ratio of early mitral inflow velocity to lateral mitral annular early diastolic velocity (E/E' Lateral) Echocardiography (EKG)
ewave
Peak E wave velocity
Peak E wave velocity Echocardiography (EKG)
iasep
Interatrial septum status
Interatrial septum status Echocardiography (EKG)
ivs
Parasternal long axis view: Interventricular septum thickness
Parasternal long axis view: Interventricular septum thickness Echocardiography (EKG)
lav
Left atrial volume (LAV)
Left atrial volume (LAV) Echocardiography (EKG)
lavi
Left atrial volume index (LAVI)
Left atrial volume index (LAVI) Echocardiography (EKG)
lvedd
Parasternal long axis view: Left ventricular end-diastolic diameter (LV - EDD)
Parasternal long axis view: Left ventricular end-diastolic diameter (LV - EDD) Echocardiography (EKG)
lvedv
End-diastolic volume (EDV)
End-diastolic volume (EDV) Echocardiography (EKG)
lvef
Ejection fraction (EF)
Ejection fraction (EF) Echocardiography (EKG)
lvesd
Parasternal long axis view: Left ventricular end-systolic diameter (LV - ESD)
Parasternal long axis view: Left ventricular end-systolic diameter (LV - ESD) Echocardiography (EKG)
lvesv
End-systolic volume (ESV)
End-systolic volume (ESV) Echocardiography (EKG)
lvm
Left ventricular mass (LVM)
Left ventricular mass (LVM) Echocardiography (EKG)
lvmi
Left ventricular mass index (LVMI)
Left ventricular mass index (LVMI) Echocardiography (EKG)
pfo
Interatrial shunt
Interatrial shunt Echocardiography (EKG)
pvr
Pulmonary vascular resistance
Pulmonary vascular resistance Echocardiography (EKG)
pw
Parasternal long axis view: Posterior wall thickness (PWT)
Parasternal long axis view: Posterior wall thickness (PWT) Echocardiography (EKG)
rvfac
Right ventricular fractional area change (RVFAC)
Right ventricular fractional area change (RVFAC) Echocardiography (EKG)
rvotvti
Right ventricular outflow tract (RVOT) velocity time integral (VTI)
Right ventricular outflow tract (RVOT) velocity time integral (VTI) Echocardiography (EKG)
agg_ment
Aggregated raw mental score
Aggregated raw mental score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
agg_phys
Aggregated raw physical score
Aggregated raw physical score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
bp_norm
Body pain index normal score
Body pain index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
gh_norm
General health index normal score
General health index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
mh_norm
Mental health index normal score
Mental health index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
pf_norm
Physical functioning index normal score
Physical functioning index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
re_norm
Role-emotional index normal score
Role-emotional index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
rp_norm
Role-physical index normal score
Role-physical index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
sf36_mcs
Standardized mental score
Standardized mental score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
sf36_pcs
Standardized physical score
Standardized physical score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
sf_norm
Social functioning index normal score
Social functioning index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
vt_norm
Vitality index normal score
Vitality index normal score

From 36-Item Short Form Survey (SF-36)

Questionnaires/36-Item Short Form Survey (SF-36)
shq_famchiapnea
Any children have had sleep apnea
Any children have had sleep apnea Questionnaires/Health and Medical History/Family
shq_famchiheart
Any children have had heart attack
Any children have had heart attack Questionnaires/Health and Medical History/Family