Age

Pittsburgh Sleep Quality Index: Frequency of legs twitching or jerking while asleep in the past month reported by a roommate/bed partner vs Visit
Visit 1 Visit 2
Total 2,911 2,911
Missing 22 10
Not Applicable 689 313
Not during the past month 1,370 485
Less than once a week 381 109
Once of twice a week 215 60
Three or more times a week 234 49
Unknown - 1,885
Pittsburgh Sleep Quality Index: Frequency of legs twitching or jerking while asleep in the past month reported by a roommate/bed partner 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 6 4 7 5 22
Not Applicable 129 129 172 259 689
Not during the past month 354 378 347 291 1,370
Less than once a week 114 102 89 76 381
Once of twice a week 54 59 63 39 215
Three or more times a week 71 56 50 57 234
Pittsburgh Sleep Quality Index: Frequency of legs twitching or jerking while asleep in the past month reported by a roommate/bed partner vs Gender
Visit 1
Female Male Total
Total - 2,911 2,911
Missing - 22 22
Not Applicable - 689 689
Not during the past month - 1,370 1,370
Less than once a week - 381 381
Once of twice a week - 215 215
Three or more times a week - 234 234
Pittsburgh Sleep Quality Index: Frequency of legs twitching or jerking while asleep in the past month reported by a roommate/bed partner vs Gender
Visit 2
Female Male Total
Total - 2,911 2,911
Missing - 10 10
Not Applicable - 313 313
Not during the past month - 485 485
Less than once a week - 109 109
Once of twice a week - 60 60
Three or more times a week - 49 49
Unknown - 1,885 1,885
Pittsburgh Sleep Quality Index: Frequency of legs twitching or jerking while asleep in the past month reported by a roommate/bed partner 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 19 1 - - - - 2 22
Not Applicable 620 38 19 1 - 3 8 689
Not during the past month 1,253 39 39 2 1 19 17 1,370
Less than once a week 350 9 9 - - 4 9 381
Once of twice a week 198 3 9 - - 3 2 215
Three or more times a week 211 9 9 - - 1 4 234
Pittsburgh Sleep Quality Index: Frequency of legs twitching or jerking while asleep in the past month reported by a roommate/bed partner 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 5 2 3 - - - - 10
Not Applicable 275 16 11 - - 3 8 313
Not during the past month 426 15 23 2 1 8 10 485
Less than once a week 97 4 6 - - 2 - 109
Once of twice a week 46 3 5 1 - 1 4 60
Three or more times a week 47 1 1 - - - - 49
Unknown 1,755 58 36 - - 16 20 1,885