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. 2021 Oct 23;39:107506. doi: 10.1016/j.dib.2021.107506

Table 4.

Distribution of responses based on the Pittsburgh sleep quality index (PSQI).

Indicate how often each of the statements below is descriptive of you. Frequency (n) Percentage (%)
1. During the past month, when have you usually gone to bed at night?
 Before 10.00 PM 4 1.13
 10.01 PM to 12.00 AM 116 32.68
 12.01 AM to 2.00 AM 199 56.05
 After 2.00 AM 36 10.14
2. During the past month, how long (in minutes) has it usually take you to fall asleep each night?
 Less than 15 minutes 0 0.00
 15-30 minutes 315 88.73
 31-60 minutes 22 6.20
 More than 60 minutes 18 5.07
3. During the past month, when have you usually gotten up in the morning?
 Before 5.00 AM 48 13.52
 5.00 AM to 7.00 AM 155 43.66
 7.01 AM to 9.00 AM 119 33.52
 After 9.00 AM 33 9.30
4. During the past month, how many hours of actual sleep did you get at night?
 Less than 4 hours 6 1.69
 4 to 6 hours 290 81.69
 7 to 8 hours 58 16.34
 More than 8 hours 1 0.28
5. During the past month, how many hours do you spend in bed?
 Less than 5 hours 55 15.49
 5 to 7 hours 245 69.02
 8 to 10 hours 53 14.93
 More than 10 hours 2 0.56
6. During the past month, how many times, you cannot get to sleep within 30 minutes?
 Not during last month (0) 88 24.79
 Less than once a week (1) 133 37.47
 Once or twice a week (2) 96 27.04
 Three or more in week (3) 38 10.70
7. During the past month, how many times, you wake up in the middle of the night or early morning?
 Not during last month (0) 73 20.57
 Less than once a week (1) 143 40.28
 Once or twice a week (2) 107 30.14
 Three or more in week (3) 32 9.01
8. During the past month, how many times, you have to get up to use the bathroom?
 Not during last month (0) 104 29.30
 Less than once a week (1) 121 34.08
 Once or twice a week (2) 87 24.51
 Three or more in week (3) 43 12.11
9. During the past month, how many times, you cannot breathe comfortably?
 Not during last month (0) 154 43.38
 Less than once a week (1) 106 29.86
 Once or twice a week (2) 77 21.69
 Three or more in week (3) 18 5.07
10. During the past month, how many times, you cough or snore loudly?
 Not during last month (0) 122 34.37
 Less than once a week (1) 132 37.18
 Once or twice a week (2) 81 22.82
 Three or more in week (3) 20 5.63
11. During the past month, how many times, you feel too cold?
 Not during last month (0) 155 43.66
 Less than once a week (1) 115 32.39
 Once or twice a week (2) 75 21.13
 Three or more in week (3) 10 2.82
12. During the past month, how many times, you feel too hot?
 Not during last month (0) 111 31.27
 Less than once a week (1) 87 24.50
 Once or twice a week (2) 111 31.27
 Three or more in week (3) 46 12.96
13. During the past month, how many times, you had bad dreams?
 Not during last month (0) 95 26.76
 Less than once a week (1) 140 39.44
 Once or twice a week (2) 96 27.04
 Three or more in week (3) 24 6.76
14. During the past month, how many times, you have pain during sleep?
 Not during last month (0) 132 37.18
 Less than once a week (1) 105 29.58
 Once or twice a week (2) 91 25.63
 Three or more in week (3) 27 7.61
15. During the past month, how many times, you have trouble in sleeping because of any other reasons?
 Not during last month (0) 108 30.42
 Less than once a week (1) 124 34.93
 Once or twice a week (2) 106 29.86
 Three or more in week (3) 17 4.79
16. During the past month, how often have you taken medicine to help you sleep?
 Not during last month (0) 189 53.24
 Less than once a week (1) 88 24.79
 Once or twice a week (2) 64 18.03
 Three or more in week (3) 14 3.94
17. During the past month, how many times you did not sleep due to any program or other important case?
 Not during last month (0) 107 30.14
 Less than once a week (1) 124 34.93
 Once or twice a week (2) 106 29.86
 Three or more in week (3) 18 5.07
18 .During the past month, how much of a problem has it been for you to keep up enough enthusiasm to get things done?
 Not during last month (0) 113 31.83
 Less than once a week (1) 140 39.44
 Once or twice a week (2) 76 21.41
 Three or more in week (3) 26 7.32
19. During the past month, how would you rate your sleep quality overall?
 Very good (0) 53 14.93
 Fairly good (1) 194 54.65
 Fairly bad (2) 90 25.35
 Very bad (3) 18 5.07