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. 2020 Mar 16;30(2):e13029. doi: 10.1111/jsr.13029

Table 3.

Item‐level descriptive statistics

Items High‐school sample (n = 1,013) Sleep‐clinic sample (n = 33)
Median Mean (SD) Missing (%) Median Mean (SD) Missing (%)
Sleep Disturbance‐23
Sleep105: My sleep was restful. 2 2.4 (1.0) 0 (0.0) 4 3.8 (1.0) 0 (0.0)
Sleep107: My sleep was deep. 2 2.5 (1.1) 2 (0.2) 4 3.4 (1.4) 0 (0.0)
Sleep109: My sleep quality was … 2 2.2 (0.8) 2 (0.2) 4 3.6 (0.8) 0 (0.0)
Sleep110: I got enough sleep. 2 2.5 (0.9) 2 (0.2) 3 3.5 (0.9) 0 (0.0)
Sleep115: I was satisfied with my sleep. 2 2.6 (1.1) 2 (0.2) 4 3.9 (1.1) 0 (0.0)
Sleep116: My sleep gave me new energy. 2 2.5 (1.1) 47 (4.7) 4 3.8 (1.0) 1 (3.0)
Sleep42: It was easy for me to fall asleep. 2 2.6 (1.1) 9 (0.9) 4 3.8 (1.4) 0 (0.0)
Sleep44: I had difficulty falling asleep. 2 2.2 (1.2) 12 (1.2) 4 3.7 (1.5) 0 (0.0)
Sleep45: I laid in bed for hours waiting to fall asleep. 2 2.1 (1.1) 10 (1.0) 4 3.4 (1.5) 1 (3.0)
Sleep50: I woke up too early and could not fall back asleep. 2 2.1 (1.1) 9 (0.9) 3 2.6 (1.3) 0 (0.0)
Sleep65: I felt physically tense at bedtime. 1 1.7 (1.0) 9 (0.9) 2 2.1 (1.4) 1 (3.0)
Sleep67: I worried about not being able to fall asleep. 1 1.5 (0.9) 8 (0.8) 2 2.2 (1.4) 0 (0.0)
Sleep68: I felt worried at bedtime. 1 1.4 (0.8) 9 (0.9) 1 1.9 (1.3) 0 (0.0)
Sleep69: I had trouble stopping my thoughts at bedtime. 1 2.0 (1.2) 8 (0.8) 2 2.5 (1.5) 3 (9.1)
Sleep70: I felt sad at bedtime. 1 1.3 (0.8) 9 (0.9) 1 1.7 (1.2) 0 (0.0)
Sleep71: I had trouble getting into a comfortable position to sleep. 1 1.8 (1.0) 9 (0.9) 2 2.3 (1.3) 0 (0.0)
Sleep72: I tried to get to sleep. 2 2.1 (1.2) 23 (2.3) 3 3.1 (1.4) 0 (0.0)
Sleep78: Stress disturbed my sleep. 1 1.7 (1.1) 22 (2.2) 2 2.2 (1.3) 0 (0.0)
Sleep86: I tossed and turned at night. 1 1.9 (1.2) 22 (2.2) 3 2.8 (1.4) 3 (9.1)
Sleep87: I had trouble staying asleep at night. 1 1.6 (0.9) 47 (4.7) 3 3.0 (1.3) 0 (0.0)
Sleep90: I had trouble sleeping. 2 1.8 (1.0) 22 (2.2) 4 3.3 (1.3) 1 (3.0)
Sleep92: I woke up and had trouble falling back to sleep. 2 2.1 (1.2) 22 (2.2) 3 3.1 (1.5) 1 (3.0)
Sleep93: I was afraid I would not get back to sleep after waking up. 1 1.5 (0.9) 22 (2.2) 2 2.2 (1.4) 2 (6.1)
Sleep‐related Impairment‐11
Sleep6: I was sleepy during the daytime. 2 2.4 (1.1) 22 (2.2) 4 3.3 (1.2) 0 (0.0)
Sleep7: I had trouble staying awake during the day. 1 1.7 (1.0) 21 (2.1) 2 2.5 (1.3) 0 (0.0)
Sleep10: I had a hard time getting things done because I was sleepy. 1 1.7 (0.9) 36 (3.6) 2 2.5 (1.4) 0 (0.0)
Sleep11: I had a hard time concentrating because I was sleepy. 2 1.9 (1.0) 36 (3.6) 3 2.9 (1.5) 0 (0.0)
Sleep18: I felt tired. 2 2.3 (1.1) 37 (3.7) 4 3.7 (1.4) 2 (6.1)
Sleep19: I tried to sleep whenever I could. 1 1.8 (1.0) 39 (3.9) 2 2.4 (1.2) 2 (6.1)
Sleep25: I had problems during the day because of poor sleep. 1 1.6 (0.8) 37 (3.7) 2 2.7 (1.5) 2 (6.1)
Sleep27: I had a hard time concentrating because of poor sleep. 1 1.8 (1.0) 38 (3.8) 3 2.9 (1.5) 2 (6.1)
Sleep29: My daytime activities were disturbed by poor sleep. 1 1.7 (0.9) 37 (3.7) 3 2.7 (1.2) 0 (0.0)
Sleep30: I felt irritable because of poor sleep. 2 1.8 (1.0) 38 (3.8) 3 3.0 (1.3) 0 (0.0)
Sleep33: I had a hard time controlling my emotions because of poor sleep. 1 1.6 (0.9) 36 (3.6) 3 2.7 (1.4) 1 (3.0)