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Table 2 PSQI scores and individual PSQI question answers

From: Experiences, perspectives and priorities of people with schizophrenia spectrum disorders regarding sleep disturbance and its treatment: a qualitative study

Respondent

Self reported average sleep duration: hrs

Self reported sleep latency: minutes

During the past month, how often have you taken medicine to help you sleep (prescribed or “over the counter”)?a

Total PSQI scoreb

r01

11

60

Not during the past month (0)

3

r02

4.5

3

Three or more times a week (3)

12

r03

12

10

Three or more times a week (3)

6

r04

6

60

Not during the past month (0)

2

r05

14.5

180

Not during the past month (0)

8

r06

6.5

60

Not during the past month (0)

10

r07

4

120

Three or more times a week (3)

15

r08

8.5

20

Three or more times a week (3)

7

r09

11

30

Not during the past month (0)

7

r10

4.5

30

Three or more times a week (3)

18

r11

8

30

Not during the past month (0)

4

r12

3

180

Not during the past month (0)

13

r13

8

60

Three or more times a week (3)

9

r14

9

10

Not during the past month (0)

3

r15

7

60

Three or more times a week (3)

13

Median / mean

8 / 7.83

60 / 61

 

8 / 8.7

  1. aEach question can score between 0 (best) and 3 (worst)
  2. bScores can range from = 0 (best possible), to = 21 (worst possible), although in practice scoring 3 in all areas would be very unusual even amongst those with severe sleep problems. Interpretation guidance suggests scores of >5 indicate poor sleep quality [40]