In: Statistics and Probability
Determine if each variable included in the data set is quantitative (continuous, numerical) or qualitative (categorical) and then give its level of measurement:
Gender |
Age |
Marital Status |
Highest education level |
Weight |
Height |
Rate general health |
Rate physical fitness |
Rate current weight |
Do you smoke |
How many cigarettes per day |
How many alcoholic drinks per day |
How many caffeine drinks per day |
Hours sleep week nights |
Hours sleep weekends |
How many hours sleep needed |
Trouble falling asleep? |
Trouble staying asleep |
Wake up during the night |
Work night shift |
Light sleeper? |
Wake up feeling refreshes weekdays |
Satisfaction with amount of sleep |
Rate quality of sleep |
Rating of stress over last week |
Medication to help you sleep? |
Do you have a problem with your sleep |
Rate impact of sleep problem on mood |
Rate impact of sleep problem on energy level |
Rate impact of sleep problem on concentration |
Rate impact of sleep problem on memory |
Rate impact of sleep problem on overall well-being |
Rate impact of sleep problem on relationships |
Stop breathing during your sleep |
Restless sleeper |
Ever fallen asleep while driving |
Ever cause accident due to sleepy |
Epworth sleepiness scale |
HADS Anxiety |
HADS Depression |
Rate level of fatigue over last week |
Rate level of lethargy over last week |
Rate how tired over last week |
Rate how sleepy over last week |
Rate lack energy over the last week |
Problem staying asleep recoded |
Problem getting to sleep recoded |
Quality of sleep recoded into 4 groups |
Sleepy & associated sensations scale |
Number of cigs per day recoded into 3 groups |
Age recoded into 3 groups |
Problem with sleep recoded into 0/1 |
Fall asleep while driving recoded into 0/1 |
Non-medication sleep hours weeknight |
Occupation |