PSQI: Scoring of the Pittsburgh Sleep Quality Index (PSQI)

In wzhou7/Fruved: Score Fruved Instruments

Scoring of the Pittsburgh Sleep Quality Index (PSQI)

Description

The function return the PSQI score. The smaller the score, the better the sleep quality.

Usage

Score_PSQI(data)

Format

The data needs to name the survey variables as follows:

Sleep1

When have you usually gone to bed?

Sleep2

How long (in minutes) has it taken you to fall asleep each night?

Sleep3

When have you usually gotten up in the morning?

Sleep4

How many hours of actual sleep do you get at night? (This may be different than the number of hours you spend in bed)

During the past month, how often have you had trouble sleeping because you... The coded values are as following,

(1) Not during the past month; (2) Less than once a week; (3) Once or twice a week; (4) Three or more times a week

Sleep5a

Cannot get to sleep within 30 minutes

Sleep5b

Wake up in the middle of the night or early morning

Sleep5c

Have to get up to use the bathroom

Sleep5d

Cannot breathe comfortably

Sleep5e

Cough or snore loudly

Sleep5f

Feel too cold

Sleep5g

Feel too hot

Sleep5h

Have bad dreams

Sleep5i

Have pain

Sleep5j

Other reason(s), please describe, including how often you have had trouble sleeping because of this reason(s):

Sleep6

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

(1) Not during the past month; (2) Less than once a week; (3) Once or twice a week; (4) Three or more times a week

Sleep7

During the past month, how often have you had trouble staying awake while driving, eating meals, or engaging in social activity?

(1) Not during the past month; (2) Less than once a week; (3) Once or twice a week; (4) Three or more times a week

Sleep8

During the past month, how much of a problem has it been for you to keep up enthusiasm to get things done?

(1) Not during the past month; (2) Less than once a week; (3) Once or twice a week; (4) Three or more times a week

Sleep9

During the past month, how would you rate your sleep quality overall?

(1) Very good; (2) Fairly good; (3) Fairly bad; (4) Very bad

Author(s)

Wangcheng Yan, Wenjun Zhou

References

Buysse,D.J., Reynolds,C.F., Monk,T.H., Berman,S.R., & Kupfer,D.J. (1989). The Pittsburgh Sleep Quality Index (PSQI): A new instrument for psychiatric research and practice. Psychiatry Research, 28(2), 193-213. Available at: https://www.sleep.pitt.edu/research/instruments.html

wzhou7/Fruved documentation built on June 15, 2025, 1:16 a.m.