psqi_11e psqi_3

Related Variables

id Id

Record ID

 		Administrative
psqi_c2 Pittsburgh Sleep Quality Index: Sleep latency component subscore

Subscore based on 2 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771)

External semantic reference: CDE

Search for all PSQI variables within this dataset

Source: :psqi_2: , :psqi_5a:

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