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qrsaxis under Clinical Data/Diagnostic Studies/Electrocardiogram in HEARTBEAT variables
Average direction of electrical activity during the QRS complex
taxis under Clinical Data/Diagnostic Studies/Electrocardiogram in HEARTBEAT variables
Average direction of electrical activity during the T wave
worserest under Sleep Questionnaires/Parasomnia in HEARTBEAT variables
Do you sometimes feel the need to move to relieve the discomfort, for example by walking, or to relieve the discomfort by rubbing your legs? Are these symptoms worse when you are at rest, with at least temporary relief by activity?
bloods_fibrinactivity under Clinical Data/Laboratory Tests in BESTAIR variables
psqi_7 under Sleep Questionnaires/Sleep Habits/Pittsburgh Sleep Quality Index (PSQI) in ANSWERS variables
Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month, how often have you had trouble staying awake while driving, eating meals, or engaging in social activity? Search for all PSQI variables within this dataset
gpaq_trsport under Lifestyle and Behavioral Health in HCHS variables
This variable calculates the average amount of time spent per day walking or biking to and from a place.
spea17 under Sleep Questionnaires/Parasomnia in HCHS variables
bathe25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Bathing and dressing yourselfSearch for all SF-36 variables within this dataset
bend25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Bending, kneeling, or stoopingSearch for all SF-36 variables within this dataset
climb125 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Climbing one flight of stairsSearch for all SF-36 variables within this dataset
climbs25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Climbing several flights of stairsSearch for all SF-36 variables within this dataset
lift25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Lifting or carrying groceriesSearch for all SF-36 variables within this dataset
wk1blk25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Walking one blockSearch for all SF-36 variables within this dataset
wk1ml25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Walking more than a mileSearch for all SF-36 variables within this dataset
wksblk25 under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS1 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: Does your health now limit you in this activity, and if so, how much: Walking several blocksSearch for all SF-36 variables within this dataset
ql203a under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS2 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: 3. The following questions are about activities you might do during a typical day. Does your health now limit you in these activities? If so, how much? (Check one box for each question.) a. Vigorous activities, such as running, lifting heavy objects, participating in strenuous sports.Search for all SF-36 variables within this dataset
ql203b under General Health/Medical Outcomes Study Short Form (SF-36)/SHHS2 in SHHS variables
Item from the Medical Outcomes Study Short Form 36 (SF-36). Ware JE and Sherbourne CD, 1992 (PubMed ID: 1593914)Original question: 3. The following questions are about activities you might do during a typical day. Does your health now limit you in these activities? If so, how much? (Check one box for each question.) b. Moderate activities, such as moving a table, pushing a vacuum cleaner, bowling, or playing golf.Search for all SF-36 variables within this dataset
factorv under General Health/Profiles of Moods States (POMS) in APPLES variables