Chapter 6 192 6.3. Participation and non-participation in objective sleep measurements The table below displays demographic descriptions and questionnaire outcomes of participants who contributed sleep device measurements to the final dataset and participants who did not. It is possible that participants took part in the objective sleep measurements, but that the measurements were of low quality and that they were excluded, which means the participant’s measurements are therefore not present in the final dataset. Table S6.3. Demographic and clinical characteristics of participants opting in and out of sleep device measurements. IQR = Interquartile range. Not present in objective sleep measurements Present in baseline objective sleep measurements only Present in 3MO objective sleep measurements only Present in baseline and 3MO n 26 23 5 45 Age Median, IQR 22 (20 to 24.5) 24 (21.5 to 26) 28 (19 to 30) 24 (22 to 27) Group (n, %) TM 13 (50%) 12 (52%) 2 (40%) 24 (53%) TF 13 (50%) 11 (48%) 3 (50%) 21 (47%) Psychotropic medication use (n, %) Yes 5 (19%) 2 (9%) 1 (20%) 9 (20%) No 21 (81%) 21 (91%) 4 (80%) 36 (80%) Scores at baseline ISI scores (range 0 to 28) Median IQR missings (n) 7.5 4.75 to 10.25 2 5.5 3.25 to 10.5 1 6.0 4.0 to 6.0 0 6.0 3.0 to 9.0 0 PSQI scores (range 21) Median IQR missings (n) 7 4.25 to 9.0 4 5 4 to 9 4 4 4 to 6 0 6 4 to 8 4 IDS-SR scores (range 0 to 84) Median IQR missings (n) 15.5 10 to 26 4 12 8 to 25.75 1 9 8 to 25 0 12 8 to 21 0 PSS scores (range 0 to 40) Median IQR missings (n) 13 9.5 to 16.25 2 12 8.25 to 17 1 11 6 to 13 0 10 8 to 16 0
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