Name
pqpeffic
Label
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore
Description

Subscore based on 3 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)

Search for all PSQI variables within this dataset

Domain
pefficf
  • A: Missing
  • 0: >85% Efficiency
  • 1: >=75% to <=85% Efficiency
  • 2: >=65% to <75% Efficiency
  • 3: <65% Efficiency
Type
choices
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore vs Visit
Visit 1 Visit 2
Total 2,911 2,911
Missing 2 3
>85% Efficiency 1,809 622
>=75% to <=85% Efficiency 654 242
>=65% to <75% Efficiency 259 107
<65% Efficiency 187 52
Unknown - 1,885
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore vs Age at Sleep Visit 1
Visit 1
67.0 to 72.0 years 72.0 to 76.0 years 76.0 to 80.0 years 80.0 to 90.0 years Total
Total 728 728 728 727 2,911
Missing 1 - - 1 2
>85% Efficiency 475 442 453 439 1,809
>=75% to <=85% Efficiency 151 182 170 151 654
>=65% to <75% Efficiency 56 60 66 77 259
<65% Efficiency 45 44 39 59 187
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore vs Gender
Visit 1
Female Male Total
Total - 2,911 2,911
Missing - 2 2
>85% Efficiency - 1,809 1,809
>=75% to <=85% Efficiency - 654 654
>=65% to <75% Efficiency - 259 259
<65% Efficiency - 187 187
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore vs Gender
Visit 2
Female Male Total
Total - 2,911 2,911
Missing - 3 3
>85% Efficiency - 622 622
>=75% to <=85% Efficiency - 242 242
>=65% to <75% Efficiency - 107 107
<65% Efficiency - 52 52
Unknown - 1,885 1,885
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore vs Race Category
Visit 1
White African American Asian Native Hawaiian or Other Pacific Islander American Indian or Alaskan Native Multiracial Unknown Total
Total 2,651 99 85 3 1 30 42 2,911
Missing 2 - - - - - - 2
>85% Efficiency 1,663 46 59 2 1 14 24 1,809
>=75% to <=85% Efficiency 604 19 13 - - 6 12 654
>=65% to <75% Efficiency 233 11 7 - - 7 1 259
<65% Efficiency 149 23 6 1 - 3 5 187
Pittsburgh Sleep Quality Index: Habitual sleep efficiency component subscore vs Race Category
Visit 2
White African American Asian Native Hawaiian or Other Pacific Islander American Indian or Alaskan Native Multiracial Unknown Total
Total 2,651 99 85 3 1 30 42 2,911
Missing 2 1 - - - - - 3
>85% Efficiency 553 17 33 2 - 8 9 622
>=75% to <=85% Efficiency 210 12 8 - - 4 8 242
>=65% to <75% Efficiency 96 5 3 - 1 1 1 107
<65% Efficiency 35 6 5 1 - 1 4 52
Unknown 1,755 58 36 - - 16 20 1,885