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Total Number of Apnea and Hypopnea: Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep from type IV home sleep apnea test
slpa39 under Sleep Monitoring/Polysomnography/Respiratory Event Counts in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441) Any continuous periods of >=20 min with loss of respiratory channel was marked as wake and not included in the estimates.
Total Duration of Apnea and Hypopnea: Apneas with no oxygen desaturation threshold used+ hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep from type IV home sleep apnea test
slpa42 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
slpa43 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and no oxygen desaturation threshold used during artifact-free estimated sleep in supine position from type IV home sleep apnea test
slpa44 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea: Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
slpa51 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
slpa52 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 1% oxygen desaturation + hypopneas with > 50% flow reduction and >= 1% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
slpa53 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea: Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
slpa60 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with no oxygen desaturation threshold used + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
slpa61 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 3% oxygen desaturation + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
slpa62 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea: Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep from type IV home sleep apnea test
slpa69 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Non-Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in non-supine position from type IV home sleep apnea test
slpa70 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Total Duration of Apnea and Hypopnea (Supine): Apneas with >= 4% oxygen desaturation + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation during artifact-free estimated sleep in supine position from type IV home sleep apnea test
slpa71 under Sleep Monitoring/Polysomnography/Sleep Architecture in HCHS variables
Apnea and hypopnea events were not distinguished as separate event types during scoring. Both were classified as a respiratory event that required a 50% reduction in Nasal Flow signal for at least 10 seconds.
Year of apnea treatment
apnea_treatment_year under Administrative in WSC variables
Sleep Apnea: Self-reported diagnosis by a physician
apnea under Sleep Questionnaires/Sleep Disorder in WSC variables
Have you ever been told by a doctor that you have sleep apnea?
Sleep Apnea: Self-reported year of diagnosis
apnea_year under Sleep Questionnaires/Sleep Disorder in WSC variables
If yes, when was this? ______ Year
Sleep Apnea: Self-reported frequency
apnea_freq under Sleep Questionnaires/Sleep Disordered Breathing in WSC variables
According to what others have told you, or to your own awareness, how often, if ever, do you have momentary periods during sleep when you stop breathing or you breathe abnormally?
Sleep Apnea: Self-reported treatment effect
apnea_treatment_help under Sleep Treatment in WSC variables
Did the treatment help (check one)?
Sleep Apnea Quality of Life Index (SAQLI) Domain A - Daily Functioning Denominator
aden under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
Sleep Apnea Quality of Life Index (SAQLI) Domain B - Social Interactions Denominator
bden under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
Sleep Apnea Quality of Life Index (SAQLI) Domain C - Emotional Functioning Denominator
cden under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
Sleep Apnea Quality of Life Index (SAQLI) Domain D - Symptoms Denominator
dden under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
Sleep Apnea Quality of Life Index (SAQLI) Domain A - Daily Functioning Mean
domainamean under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
Sleep Apnea Quality of Life Index (SAQLI) Domain A - Daily Functioning Total
domainatotal under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
Sleep Apnea Quality of Life Index (SAQLI) Domain B - Social Interactions Mean
domainbmean under Sleep Questionnaires/Sleep Apnea Quality of Life Index (SAQLI) in APPLES variables
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