psqi_c1 psqi_c3

Related Variables

id Id

Record ID

 		Administrative
psqi_2 Pittsburgh Sleep Quality Index: How long taken to fall asleep each night the past month

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)

External semantic reference: CDE

Original text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month.

During the past month, how long (in minutes) has it usually taken you to fall asleep each night?

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 		Sleep Questionnaires/Sleep Habits/Pittsburgh Sleep Quality Index (PSQI)
psqi_5a Pittsburgh Sleep Quality Index: Cannot get to sleep within 30 minutes the past month

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)

External semantic reference: CDE

Original text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month.

During the past month how often have you had trouble sleeping because you: cannot get to sleep within 30 mins?

Search for all PSQI variables within this dataset

 		Sleep Questionnaires/Sleep Habits/Pittsburgh Sleep Quality Index (PSQI)
psqi_total Pittsburgh Sleep Quality Index: Total (Global) Score

Summary score for the Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Seven component scores are derived, from 0 (no difficulty) to 3 (severe difficulty). The global score is the sum of the seven components (0 to 21), while higher scores indicate worse sleep quality.

External semantic reference: CDE

Search for all PSQI variables within this dataset

 		Sleep Questionnaires/Sleep Habits/Pittsburgh Sleep Quality Index (PSQI)