We use cookies and other tools to enhance your experience on our website and to analyze our web traffic.
For more information about these cookies and the data collected, please refer to our Privacy Policy.

Search

escore under Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS) in HEARTBEAT variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. Search for all ESS variables within this dataset
esstotal under Sleep Questionnaires/Hypersomnia in HOMEPAP variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. Search for all ESS variables within this dataset
fss_1000 under General Health/Fatigue Severity Scale (FSS) in STAGES variables
Calculated - Total score based on a 9-item questionnsiares assessing how fatigue interferes with certain activities and its severity. Schwartz, Jandorf & Krupp, 1993 (PubMed ID: 8229906) Scale 1 - 7 for individual items; 7 - 63 for overall score. Higher score indicates greater fatigue severity, while 36 indicates fatigue. Search for all Fatigue Severity Scale variables within this dataset
gad_0800 under General Health/Generalized Anxiety Disorder Questionnaire (GAD-7) in STAGES variables
Calculated - Summary score based on a 7-item questionnaires for generalized anxiety. Scale 0 - 3 for individual items; 0 - 21 for overall score. Scores of 0-5 are categorized as mild anxiety, 6-10 as moderate anxiety, 11-15 as moderately severe anxiety, 15-21 as severe anxiety, respectively. As a screening tool, score of 10 and above suggests further evalution. Schwartz, Jandorf & Krupp, 1993 (PubMed ID: 8229906) Search for all Fatigue Severity Scale variables within this dataset
ess_0900 under Sleep Questionnaires/Hypersomnia in STAGES variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. There are three categories: <10=normal, ?10=sleepy, ?18=very sleepy. Search for all ESS variables within this dataset
ess_total under Sleep Questionnaires/Hypersomnia in BESTAIR variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. Search for all ESS variables within this dataset
shq_typnightsleep under Sleep Questionnaires/Sleep Disturbance/Women's Health Initiative Insomnia Rating Scale (WHIIRS) in BESTAIR variables
Item from the Women's Health Initiative Insomnia Rating Scale. Levine et al.(2003) Search for all WHIIRS variables within this datasetOriginal Question: Pick the answer that best describes how often you experienced the situation in the LAST 4 WEEKS. 8. Overall, was your typical nights sleep during the LAST 4 WEEKS
gad_total under General Health/Generalized Anxiety Disorder Questionnaire (GAD-7) in ANSWERS variables
Calculated - Summary score based on a 7-item questionnaires for generalized anxiety. Scale 0 - 3 for individual items; 0 - 21 for overall score. Scores of 5-9 are categorized as mild anxiety, 10 - 14 as moderate anxiety, 15 and above as severe anxiety, respectively. As a screening tool, score of 10 and above suggests further evalution. Schwartz, Jandorf & Krupp, 1993 (PubMed ID: 8229906) Search for all GAD-7 Questionnaire variables within this dataset
upps_lackpersevere under General Health/Short UPPS-P Impulsive Behavior Scale in ANSWERS variables
Summary item from the Short UPPS-P Impulsive Behavior Scale, calculated from :upps_1:, :upps_4:, :upps_7: and :upps_11:. Range 4 -16 with higher scores indicating less impulsivity. Note: reverse coding for items 1, 4 and 7, where we change 1=4, 2=3, 3=2 and 4=1 before calculating the overall sum. Cyders et al 2014 (PMID: 24636739)Search for all Short UPPS-P Impulsive Behavior Scale variables within this dataset
upps_lackpremeditate under General Health/Short UPPS-P Impulsive Behavior Scale in ANSWERS variables
Summary item from the Short UPPS-P Impulsive Behavior Scale, calculated from :upps_2:, :upps_5:, :upps_12: and :upps_19:.Range 4 -16 with higher scores indicating less impulsivity. Note: reverse coding for items 5, 12 and 19, where we change 1=4, 2=3, 3=2 and 4=1 before calculating the overall sum. Cyders et al 2014 (PMID: 24636739)Search for all Short UPPS-P Impulsive Behavior Scale variables within this dataset
upps_total under General Health/Short UPPS-P Impulsive Behavior Scale in ANSWERS variables
Total from the Short UPPS-P Impulsive Behavior Scale. Range 20 -80 with higher scores indicating less impulsivity. Note: reverse coding for items 1, 4, 5, 7, 12 and 19, where we change 1=4, 2=3, 3=2 and 4=1 before calculating the overall sum. Cyders et al 2014 (PMID: 24636739)Search for all Short UPPS-P Impulsive Behavior Scale variables within this dataset
mh_health under Medical History in ANSWERS variables
Medical History Questionnaire
weight_norm_overall_sueno under Administrative/Study Design in HCHS variables
valid_spirometry under Clinical Data/Diagnostic Studies/Lung Function in HCHS variables
This variable is an overall data quality indicator derived by the pulmonary reading center on the adequacy study for use.
valid_spirometry_postbd under Clinical Data/Diagnostic Studies/Lung Function in HCHS variables
This variable is an overall data quality indicator derived by the pulmonary reading center on the adequacy study for use.
insulin_fast under Clinical Data/Laboratory Tests in HCHS variables
This variable combines fasting glucose results from the central lab that was processed prior to July 5, 2010 (using units of mU/L) with results processed on or after July 5, 2010 (using units of pmol/L) and the overall units are converted to mU/L (1 mU/L = 6 pmol/L).
insulin_ogtt under Clinical Data/Laboratory Tests in HCHS variables
This variable combines post OGTT glucose results from the central lab that were processed prior to July 5, 2010 (using units of mU/L) with results processed on or after July 5, 2010 (using units of pmol/L) and the overall units are converted to mU/L (1 mU/L = 6 pmol/L).
slpa121 under Sleep Monitoring/Polysomnography/Signal Quality in HCHS variables
slpa15 under Sleep Monitoring/Polysomnography/Signal Quality in HCHS variables
ess under Sleep Questionnaires/Hypersomnia in HCHS variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. Algorithm: The ESS is computed by adding ALL 8 ITEMS (SLEA12A TO SLEA12H). If any item is missing then ESS is missing. Warning: The levels of each item need to be recoded as follows: No chance (from 1 to 0), slight chance (from 2 to 1), moderate chance (from 3 to 2) and high chance (from 4 to 3).Search for all ESS variables within this dataset
ess_sueno under Sleep Questionnaires/Hypersomnia in HCHS variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. Algorithm: The ESS_SUENO is computed by adding ALL 8 ITEMS (SPEA12A TO SPEA12H). If any item is missing then ESS_SUENO is missing. Warning: The levels of each item need to be recoded as follows: No chance (from 1 to 0), slight chance (from 2 to 1), moderate chance (from 3 to 2) and high chance (from 4 to 3).Search for all ESS variables within this dataset
v8folall under Administrative in SOF variables
smoke_years under Lifestyle and Behavioral Health in WSC variables
Overall, how many years total, have you been OR were you a regular smoker?
ess under Sleep Questionnaires/Hypersomnia in WSC variables
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.Search for all ESS variables within this dataset
ess_interim under Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)/Interim in SHHS variables
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. Search for all ESS variables within this dataset