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	Name	Label	Folder
	nsrr_rei_ap3n Respiratory Event Index : (Apneas or hypopneas with >= 3% oxygen desaturation) / hour of estimated sleep	Respiratory Event Index : (Apneas or hypopneas with >= 3% oxygen desaturation) / hour of estimated sleep Harmonized by the NSRR team. Data collected with no EEGs. Refer to the source for detailed definition for respiratory events: slpa54 at Visit 1	Harmonized/Polysomnography/Apnea-Hypopnea Indices
	nsrr_rei_ap4n Respiratory Event Index : (Apneas or hypopneas with>= 4% oxygen desaturation) / hour of estimated sleep	Respiratory Event Index : (Apneas or hypopneas with>= 4% oxygen desaturation) / hour of estimated sleep Harmonized by the NSRR team. Data collected with no EEGs. Refer to the source for detailed definition for respiratory events: slpa63 at Visit 1	Harmonized/Polysomnography/Apnea-Hypopnea Indices

Hispanic Community Health Study / Study of Latinos