Validation of a 3-factor scoring model for the Pittsburgh sleep quality index in older adults.
|Title||Validation of a 3-factor scoring model for the Pittsburgh sleep quality index in older adults.|
|Publication Type||Journal Article|
|Year of Publication||2006|
|Authors||Cole, JC, Motivala SJ, Buysse DJ, Oxman MN, Levin MJ, Irwin MR|
|Date Published||2006 Jan|
|Keywords||Aged, Factor Analysis, Statistical, Female, Humans, Male, Middle Aged, Questionnaires, Reproducibility of Results, Severity of Illness Index, Sleep disorders|
The Pittsburgh Sleep Quality Index (PSQI) is widely used to assess subjective sleep disturbances in psychiatric, medical, and healthy adult and older adult populations. Yet, validation of the PSQI single-factor scoring has not been carried out.