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Cleveland Children's Sleep and Health Study

Name Label Folder
essscore
Total score for modified Epworth Sleepiness Scale (ESS)
Total score for modified Epworth Sleepiness Scale (ESS)

The sum of items 1-8.

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
yalert
How often alert most of the day
How often alert most of the day Sleep Questionnaires/Hypersomnia
ydrclass
How often fall asleep during class
How often fall asleep during class Sleep Questionnaires/Hypersomnia
ydrhw
How often get sleepy while doing homework
How often get sleepy while doing homework Sleep Questionnaires/Hypersomnia
yeat
How often fall asleep while eating (last month)
How often fall asleep while eating (last month) Sleep Questionnaires/Hypersomnia
yexsl
Excessive (too much) sleepiness during the day (last month)
Excessive (too much) sleepiness during the day (last month) Sleep Questionnaires/Hypersomnia
yfrnd
How often fall asleep while with friends (last month)
How often fall asleep while with friends (last month) Sleep Questionnaires/Hypersomnia
yhelpgetup
How often need someone to wake you
How often need someone to wake you Sleep Questionnaires/Hypersomnia
ymoreslp
How often think that you need more sleep
How often think that you need more sleep Sleep Questionnaires/Hypersomnia
yread
How often fall asleep while reading or studying (last month)
How often fall asleep while reading or studying (last month) Sleep Questionnaires/Hypersomnia
yslpco
Sleepiness that interferes with concentration (last month)
Sleepiness that interferes with concentration (last month) Sleep Questionnaires/Hypersomnia
ytalkface
How often fall asleep while talking face to face (last month)
How often fall asleep while talking face to face (last month) Sleep Questionnaires/Hypersomnia
ytalkphon
How often fall asleep while talking on the telephone (last month)
How often fall asleep while talking on the telephone (last month) Sleep Questionnaires/Hypersomnia
ytrgetup
How often have trouble getting out of bed
How often have trouble getting out of bed Sleep Questionnaires/Hypersomnia
ytv
How often fall asleep while watching television (last month)
How often fall asleep while watching television (last month) Sleep Questionnaires/Hypersomnia
ywork
How often fall asleep while at work or school (last month)
How often fall asleep while at work or school (last month) Sleep Questionnaires/Hypersomnia
yyexsl
Excessive (too much) sleepiness during the day (last year)
Excessive (too much) sleepiness during the day (last year) Sleep Questionnaires/Hypersomnia
driving
Epworth Sleepiness Scale: Chance of dozing while in a car, while stopped for a few minutes in traffic (ESS9)
Epworth Sleepiness Scale: Chance of dozing while in a car, while stopped for a few minutes in traffic (ESS9)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

'I do not drive' responses should be set to missing when computing summary score.

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
essscore_adult
Total score for adult Epworth Sleepiness Scale (ESS)
Total score for adult Epworth Sleepiness Scale (ESS)

The sum of items 1-7 and 9. Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score.

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
homework
Chance of dozing while doing homework or taking a test (ESS8)
Chance of dozing while doing homework or taking a test (ESS8) Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
inact
Epworth Sleepiness Scale: Chance of dozing while sitting, inactive in a public place (ESS3)
Epworth Sleepiness Scale: Chance of dozing while sitting, inactive in a public place (ESS3)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
lying
Epworth Sleepiness Scale: Chance of dozing while lying down in the afternoon when circumstances permit (ESS5)
Epworth Sleepiness Scale: Chance of dozing while lying down in the afternoon when circumstances permit (ESS5)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
nmiss_adult
Number of missing items on adult Epworth Sleepiness Scale (ESS) (items 1-7, 9)
Number of missing items on adult Epworth Sleepiness Scale (ESS) (items 1-7, 9) Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
passeng
Epworth Sleepiness Scale: Chance of dozing as a passenger in a car for an hour without a break (ESS4)
Epworth Sleepiness Scale: Chance of dozing as a passenger in a car for an hour without a break (ESS4)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
sitquiet
Epworth Sleepiness Scale: Chance of dozing while sitting quietly after lunch (ESS7)
Epworth Sleepiness Scale: Chance of dozing while sitting quietly after lunch (ESS7)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
sitread
Epworth Sleepiness Scale: Chance of dozing while sitting and reading (ESS1)
Epworth Sleepiness Scale: Chance of dozing while sitting and reading (ESS1)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
sittalk
Epworth Sleepiness Scale: Chance of dozing while sitting and talking to someone (ESS6)
Epworth Sleepiness Scale: Chance of dozing while sitting and talking to someone (ESS6)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
sleepy
Modified Epworth Sleepiness Scale (ESS) Score >= 11
Modified Epworth Sleepiness Scale (ESS) Score >= 11

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
sleepy_adult
Adult Epworth Sleepiness Scale (ESS) Score >= 11
Adult Epworth Sleepiness Scale (ESS) Score >= 11

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
watchtv
Epworth Sleepiness Scale: Chance of dozing while watching TV (ESS2)
Epworth Sleepiness Scale: Chance of dozing while watching TV (ESS2)

Item from the Epworth Sleepiness Scale Johns MW 1991 (PubMed ID: 1798888)

Search for all ESS variables within this dataset

Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)
ypara
Feeling paralyzed or unable to move for short periods on awakening (last month)
Feeling paralyzed or unable to move for short periods on awakening (last month) Sleep Questionnaires/Parasomnia
yypara
Feeling paralyzed or unable to move for short periods on awakening (last year)
Feeling paralyzed or unable to move for short periods on awakening (last year) Sleep Questionnaires/Parasomnia
ydxsa
Medical history: Ever diagnosed of sleep apnea
Medical history: Ever diagnosed of sleep apnea

Have you ever been diagnosed as having Sleep Apnea?

Sleep Questionnaires/Sleep Disorder
yins
Medical history: Had insomnia
Medical history: Had insomnia Sleep Questionnaires/Sleep Disorder
yinsdx
Medical history: Insomnia diagnosed or treated by physician
Medical history: Insomnia diagnosed or treated by physician Sleep Questionnaires/Sleep Disorder
yplms
Ever had restless legs or periodic limb movements in sleep (PLMS)
Ever had restless legs or periodic limb movements in sleep (PLMS)

Have you ever had the following medical conditions: Restless Legs or Periodic Limb Movements in Sleep (PLMS)

Sleep Questionnaires/Sleep Disorder
yplmsdx
Medical history: Restless legs or periodic limb movements in sleep (PLMS) diagnosed or treated by physician
Medical history: Restless legs or periodic limb movements in sleep (PLMS) diagnosed or treated by physician

Was this diagnosed or treated by a physician?

Sleep Questionnaires/Sleep Disorder
yevrsn
Ever snored
Ever snored

Have you EVER snored?

Sleep Questionnaires/Sleep Disordered Breathing
ymnthsn
Snored in the last month
Snored in the last month

Have you snored in the last month?

Sleep Questionnaires/Sleep Disordered Breathing
ydifal
Difficulty falling asleep (last month)
Difficulty falling asleep (last month) Sleep Questionnaires/Sleep Disturbance
yfallback
How often fall back asleep after waking
How often fall back asleep after waking Sleep Questionnaires/Sleep Disturbance
ynitwu
Average number of nighttime awakenings (last month)
Average number of nighttime awakenings (last month) Sleep Questionnaires/Sleep Disturbance
ynorst
Waking not feeling rested no matter how much sleep time you had (last month)
Waking not feeling rested no matter how much sleep time you had (last month) Sleep Questionnaires/Sleep Disturbance
ytired
How often tired and grumpy during the day
How often tired and grumpy during the day Sleep Questionnaires/Sleep Disturbance
ytirfa
Feeling tired or fatigued after sleeping (last month)
Feeling tired or fatigued after sleeping (last month) Sleep Questionnaires/Sleep Disturbance
yydifal
Difficulty falling asleep (last year)
Difficulty falling asleep (last year) Sleep Questionnaires/Sleep Disturbance
yynorst
Waking not feeling rested no matter how much sleep time you had (last year)
Waking not feeling rested no matter how much sleep time you had (last year) Sleep Questionnaires/Sleep Disturbance
yyslpco
Sleepiness that interferes with concentration (last year)
Sleepiness that interferes with concentration (last year) Sleep Questionnaires/Sleep Disturbance
yytirfa
Feeling tired or fatigued after sleeping (last year)
Feeling tired or fatigued after sleeping (last year) Sleep Questionnaires/Sleep Disturbance
wd_bedtime
Self-reported bedtime (Weekday)
Self-reported bedtime (Weekday) Sleep Questionnaires/Sleep Habits
wd_slpdur
Self-reported weekday sleep time
Self-reported weekday sleep time

Calculated as the difference between self-reported weekday wake time and self-reported weekday bed time.

Sleep Questionnaires/Sleep Habits
wd_slpdur_hr
Self-reported weekday sleep time
Self-reported weekday sleep time

Calculated as the difference between self-reported weekday wake time and self-reported weekday bed time.

Sleep Questionnaires/Sleep Habits
wd_slpmid
Midpoint of time in bed from self report (Weekday)
Midpoint of time in bed from self report (Weekday)

Calculated as the midpoint between self-reported weekday wake time and self-reported weekday bed time.

Sleep Questionnaires/Sleep Habits
wd_waketime
Self-reported wake time (Weekday)
Self-reported wake time (Weekday) Sleep Questionnaires/Sleep Habits
we_bedtime
Self-reported bedtime (Weekend)
Self-reported bedtime (Weekend) Sleep Questionnaires/Sleep Habits
we_slpdur
Self-reported weekend sleep time
Self-reported weekend sleep time

Calculated as the difference between self-reported weekend wake time and self-reported weekend bed time.

Sleep Questionnaires/Sleep Habits
we_slpdur_hr
Self-reported weekend sleep time
Self-reported weekend sleep time

Calculated as the difference between self-reported weekend wake time and self-reported weekend bed time.

Sleep Questionnaires/Sleep Habits
we_slpmid
Midpoint of time in bed from self report (Weekend)
Midpoint of time in bed from self report (Weekend)

Calculated as the midpoint between self-reported weekend wake time and self-reported weekend bed time.

Sleep Questionnaires/Sleep Habits
we_waketime
Self-reported Wake Time (Weekend)
Self-reported Wake Time (Weekend) Sleep Questionnaires/Sleep Habits
ycafdr
Using caffeine drinks to stay awake (last month)
Using caffeine drinks to stay awake (last month) Sleep Questionnaires/Sleep Habits
ydrkcaf
Caffeine beverages per day
Caffeine beverages per day Sleep Questionnaires/Sleep Habits
ynaptime_s
Self-reported daily nap time in minutes (all days)
Self-reported daily nap time in minutes (all days)

Calculated as a weighted average of self-reported daily nap time from weekdays and from weekends (ynaptime_s = 5/7 * ywd_napdur + 2/7*ywe_napdur)

Sleep Questionnaires/Sleep Habits
ysleeplatency
Self-reported sleep latency
Self-reported sleep latency

Calculated from self report of hours and minutes it takes to fall asleep (ysleeplatency = (yflashr * 60) + yflasmn)

Sleep Questionnaires/Sleep Habits
ysleeptime_hr
Self-reported sleep time across all days
Self-reported sleep time across all days

Calculated as a weighted average of self-reported sleep time from weekdays and from weekends (ysleeptime_hr = 5/7 *wd_slpdur_hr + 2/7*we_slpdur_hr)

Sleep Questionnaires/Sleep Habits
ysleeptime_min
Sleep time from self-reported bed and wake times in minutes (all days)
Sleep time from self-reported bed and wake times in minutes (all days)

Calculated as a weighted average of self-reported sleep time from weekdays and from weekends (ysleeptime_min = 5/7 * wd_slpdur + 2/7*we_slpdur )

Sleep Questionnaires/Sleep Habits
ysleeptime_s
Sleep time from self-reported usual sleep time (all days)
Sleep time from self-reported usual sleep time (all days)

Calculated as a weighted average of self-reported usual sleep time from weekdays and from weekends (ysleeptime_s = 5/7 * ywd_slpdur + 2/7*ywe_slpdur )

Sleep Questionnaires/Sleep Habits
ywd_napdur
Self-reported daily nap time in minutes (Weekday)
Self-reported daily nap time in minutes (Weekday)

Calculated from self report of hours and minutes spent napping on average on weekdays (ywd_napdur = (ywdnphr * 60) + ywdnpmn)

Sleep Questionnaires/Sleep Habits
ywd_slpdur
Sleep time from self-reported usual sleep time (Weekday)
Sleep time from self-reported usual sleep time (Weekday)

Calculated from self report of hours and minutes spent asleep (ywd_slpdur = (ywdslhr * 60) + ywdslmn)

Sleep Questionnaires/Sleep Habits
ywe_napdur
Self-reported daily nap time in minutes (Weekend)
Self-reported daily nap time in minutes (Weekend)

Calculated from self report of hours and minutes spent napping on average on weekends (ywe_napdur = (ywenphr * 60) + ywenpmn)

Sleep Questionnaires/Sleep Habits
ywe_slpdur
Sleep time from self-reported usual sleep time (Weekend)
Sleep time from self-reported usual sleep time (Weekend)

Calculated from self report of hours and minutes spent asleep (ywe_slpdur = (yweslhr * 60) + yweslmn)

Sleep Questionnaires/Sleep Habits
yycafdr
Using caffeine drinks to stay awake (last year)
Using caffeine drinks to stay awake (last year) Sleep Questionnaires/Sleep Habits