Data-Field 9847
Description:Pittsburgh Sleep Quality Index (PSQI): overall sleep quality - at age 68 years
Category:Questionnaire dataSleep

Participants2,433 Value TypeCategorical (single) SexedBoth sexes DebutMar 2025
Item count2,429Item TypeDataInstancesDefined (1)VersionN/A
StabilityCompleteStrataPrimaryArrayNoCost TierdX oX sX