Name
sljerk
Label
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps?
Domain
psqi
  • A: Missing
  • M: Not Applicable
  • 0: Not during the past month
  • 1: Less than once a week
  • 2: Once of twice a week
  • 3: Three or more times a week
Type
choices
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps? vs Visit
Visit 1 Visit 2
Total 2,911 2,911
Missing 2 3
Not Applicable - -
Not during the past month 1,531 587
Less than once a week 766 245
Once of twice a week 395 125
Three or more times a week 217 66
Unknown - 1,885
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps? 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
Not Applicable - - - - -
Not during the past month 398 382 380 371 1,531
Less than once a week 196 209 179 182 766
Once of twice a week 84 89 103 119 395
Three or more times a week 49 48 65 55 217
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps? vs Gender
Visit 1
Female Male Total
Total - 2,911 2,911
Missing - 2 2
Not Applicable - - -
Not during the past month - 1,531 1,531
Less than once a week - 766 766
Once of twice a week - 395 395
Three or more times a week - 217 217
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps? vs Gender
Visit 2
Female Male Total
Total - 2,911 2,911
Missing - 3 3
Not Applicable - - -
Not during the past month - 587 587
Less than once a week - 245 245
Once of twice a week - 125 125
Three or more times a week - 66 66
Unknown - 1,885 1,885
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps? 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
Not Applicable - - - - - - - -
Not during the past month 1,404 49 42 3 1 14 18 1,531
Less than once a week 693 22 25 - - 9 17 766
Once of twice a week 356 16 13 - - 6 4 395
Three or more times a week 196 12 5 - - 1 3 217
During the past month, how often have you had trouble sleeping because you have leg jerks or leg cramps? 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
Not Applicable - - - - - - - -
Not during the past month 523 18 23 2 - 9 12 587
Less than once a week 204 12 17 - 1 2 9 245
Once of twice a week 107 7 6 1 - 3 1 125
Three or more times a week 60 3 3 - - - - 66
Unknown 1,755 58 36 - - 16 20 1,885