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prom_sriscale under Sleep Questionnaires/Sleep Disturbance/PROMIS Sleep Related Impairment in BESTAIR variables
Summary score for the PROMIS Sleep-Related Impairment instrument. Each item ranges from 1 to 5. The total score is derived by summing all 8 items and divided by the number of answered items. Higher score indicates more severe sleep related impairment.Yu L et al, 2012 (PMID: 22250775) Search for all PROMIS SRI variables within this dataset