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Hispanic Community Health Study / Study of Latinos

Name Label Folder
ahi_ge15
Sleep Apnea defined as Apnea/Hypopnea Index (3% desat) >= 15
Sleep Apnea defined as Apnea/Hypopnea Index (3% desat) >= 15 Sleep Summary
ess
Epworth Sleepiness Scale
Epworth Sleepiness Scale

This is an integer value with range from 0-24. The Epworth Sleepiness Scale assesses the daytime sleepiness of patients. Dr Murray W Johns owns the copyright in the ESS (Copyright © M.W.Johns 1990-1997). The official website is http://epworthsleepinessscale.com/. Algorithm: The ESS is computed by adding ALL 8 ITEMS (SLEA12A TO SLEA12H). If any item is missing then ESS is missing. Warning: The levels of each item need to be recoded as follows: No chance (from 1 to 0), slight chance (from 2 to 1), moderate chance (from 3 to 2) and high chance (from 4 to 3).

Sleep Summary
ess_ge10
Excessive sleepiness (ESS>=10)
Excessive sleepiness (ESS>=10) Sleep Summary
ess_ge10_sueno
Excessive sleepiness, collected at the Sueno visit
Excessive sleepiness, collected at the Sueno visit

Excessive daytime sleepiness, as defined as an ESS score greater than or equal to 10

Sleep Summary
ess_sueno
Epworth Sleepiness Scale
Epworth Sleepiness Scale

This is an integer value with range from 0-24. The Epworth Sleepiness Scale assesses the daytime sleepiness of patients. Dr Murray W Johns owns the copyright in the ESS (Copyright © M.W.Johns 1990-1997). The website is http://epworthsleepinessscale.com. Algorithm: The ESS_SUENO is computed by adding ALL 8 ITEMS (SPEA12A TO SPEA12H). If any item is missing then ESS_SUENO is missing. Warning: The levels of each item need to be recoded as follows: No chance (from 1 to 0), slight chance (from 2 to 1), moderate chance (from 3 to 2) and high chance (from 4 to 3).

Sleep Summary
isi
Insomnia Severity Index
Insomnia Severity Index

This is a numeric variable with values ranging from 0-28 based on the Sleep Questionnaire II form. Missing if did not answer any of following: SQEA6, SQEA7, SQEA8, SQEA9. If SQEA10 answered “Yes 1,” but any of following missing: SQEA11, SQEA12, SQEA13, then missing. Missing if did not answer SQEA10 and SQEA11-SQEA13.

Sleep Summary
isi_c4
4-level grouped Insomnia Severity Index
4-level grouped Insomnia Severity Index Sleep Summary
mid_sleep_time_wkday_sueno
Weekday average of bedtime and wakeup time, in hours
Weekday average of bedtime and wakeup time, in hours Sleep Summary
mid_sleep_time_wkend_sueno
Weekend average of bedtime and wakeup time, in hours
Weekend average of bedtime and wakeup time, in hours Sleep Summary
rmeq
Reduced Morningness Eveningness Questionnaire Raw Score
Reduced Morningness Eveningness Questionnaire Raw Score Sleep Summary
rmeq_c5
5-level grouped Reduced Morningness Eveningness Questionnaire Raw Score
5-level grouped Reduced Morningness Eveningness Questionnaire Raw Score Sleep Summary
sbd5
Sleep Apnea Syndrome (Apnea/Hypopnea Index (3% desat)>=5 & ESS>=10)
Sleep Apnea Syndrome (Apnea/Hypopnea Index (3% desat)>=5 & ESS>=10) Sleep Summary
slpdur
Average sleep duration (hours)
Average sleep duration (hours)

This is a numeric variable that calculates the average daily sleep duration during an entire week (five weekdays and two weekend days), using self-reported sleep data.

Sleep Summary
slpdur_sueno
Average sleep duration
Average sleep duration Sleep Summary
slpdur_wkday
Weekday sleep duration (hours)
Weekday sleep duration (hours)

This is a numeric variable that calculates the self-reported sleep duration during weekdays.

Sleep Summary
slpdur_wkday_sueno
Weekday sleep duration
Weekday sleep duration Sleep Summary
slpdur_wkend
Weekend sleep duration (hours)
Weekend sleep duration (hours)

This is a numeric variable that calculates the self-reported sleep duration during weekend days.

Sleep Summary
slpdur_wkend_sueno
Weekend sleep duration
Weekend sleep duration Sleep Summary
valid_actigraphy
Valid actigraphy record
Valid actigraphy record Sleep Summary
whiirs
Total score of Women's Health Initiative Insomnia Rating Scale (WHIIRS)
Total score of Women's Health Initiative Insomnia Rating Scale (WHIIRS)

The score is calculated from non-missing values for any of the following five items: SLEA4, SLEA5, SLEA6, SLEA7 and SLEA11. The original items range from 0 to 4 and the total score from 0 to 20. In HCHS/SOL, SLEA form the scoring for questions 4 to 7 each ranged from 1 to 5 so 1 should be subtracted from each of these items to obtain the score for use in calculating WHIIRS.

Sleep Summary
whiirs_sueno
Total score of Women's Health Initiative Insomnia Rating Scale (WHIIRS)
Total score of Women's Health Initiative Insomnia Rating Scale (WHIIRS) Sleep Summary
wsleeptime_actigraphy
Average sleep time from actigraphy
Average sleep time from actigraphy

Weighted average for weekdays and weekends

Sleep Summary