{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","spread":".49498","value":".6560"},{"groupId":"OG001","spread":".61354","value":".4714"}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"16"},{"groupId":"OG001","value":"17"}],"units":"Participants"}],"title":"Baseline"},{"categories":[{"measurements":[{"groupId":"OG000","spread":".48206","value":".3280"},{"groupId":"OG001","spread":".67975","value":".3763"}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"21"},{"groupId":"OG001","value":"22"}],"units":"Participants"}],"title":"Day 90"}],"denoms":[{"counts":[{"groupId":"OG000","value":"38"},{"groupId":"OG001","value":"35"}],"units":"Participants"}],"description":"Brief Symptom Inventory-18 (BSI-18) - self-report 18-item instrument. Raw scores on the BSI-18 are converted to t-scores based on gender-specific normative data from non-patient community dwelling U.S. adults. A T-score = 50 indicating average function compared to the reference population and a standard deviation of 10, with a higher score indicating more symptom.","dispersionType":"Standard Deviation","groups":[{"description":"PEI Experimental Light: Ambient Light Fixture delivery of circadian active bright white light (BWL) installed in the patient's hospital room will turn on automatically and illuminate the hospital room from 7 to 10 AM each morning.","id":"OG000","title":"Circadian Active Bright White Light (BWL)"},{"description":"Comparison Light: Ambient Light Fixture delivery of circadian inactive dim white light (DWL) installed in the patient's hospital room will turn on automatically and illuminate the hospital room from 7 to 10 AM each morning.","id":"OG001","title":"Circadian Inactive Dim White Light (DWL)"}],"paramType":"MEAN","populationDescription":"Thirty-eight participants were randomized to the bright white light condition (BWL) and 35 were randomized to the dim white light condition (DWL). Not all participants completed each measure at all time-points. For intent to treat analyses all participants need to be accounted for.","reportingStatus":"POSTED","timeFrame":"Baseline and Day 90","title":"Change in Brief Symptoms Inventory-18 (BSI-18)","type":"SECONDARY","unitOfMeasure":"T-score"}