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soclhx_0901 under Lifestyle and Behavioral Health in STAGES variables
How many servings of caffeine do you typically have in one day? (one serving equals 8oz. of coffee, 8oz. of tea, 12oz of soda, 12oz energy drink) I rarely or never drink caffeine
caffeine under Questionnaires/Sleep and Health in HEARTBEAT variables
caffeine under Lifestyle and Behavioral Health in WSC variables
cans_cola under Lifestyle and Behavioral Health in WSC variables
How many cans of cola or other soft drinks, with caffeine, do you usually drink in a typical day? Modified in 2012: Energy drinks was added.
cups_coffee under Lifestyle and Behavioral Health in WSC variables
How many cups of coffee or tea, with caffeine, do you usually drink in a typical day?
soda15 under Lifestyle and Behavioral Health/SHHS1 in SHHS variables
How many cups/glasses of cola/soda (with caffeine) do you drink on a regular day? (Number of cups/glasses of soda, up to 2 digits)
ms210a under Sleep Monitoring/Polysomnography/Evening and Morning Survey/SHHS2 in SHHS variables
How many of the following drinks with caffeine did you have during the 4 hours before you went to sleep last night? (Please write "0" if you did not drink any of that beverage.) a. ____ cups of regular coffee (with caffeine)
ms210b under Sleep Monitoring/Polysomnography/Evening and Morning Survey/SHHS2 in SHHS variables
How many of the following drinks with caffeine did you have during the 4 hours before you went to sleep last night? (Please write "0" if you did not drink any of that beverage.) b. ____ cups of tea (with caffeine)
ms210c under Sleep Monitoring/Polysomnography/Evening and Morning Survey/SHHS2 in SHHS variables
How many of the following drinks with caffeine did you have during the 4 hours before you went to sleep last night? (Please write "0" if you did not drink any of that beverage.) c. ____ glasses or cans of cola or other soda (with caffeine)
soclhx_0900 under Lifestyle and Behavioral Health in STAGES variables
How many servings of caffeine do you typically have in one day? (one serving equals 8oz. of coffee, 8oz. of tea, 12oz of soda, 12oz energy drink)
ycafdr under Questionnaires/Sleep and Health Questionnaire (SHQ) in CCSHS variables
ydrkcaf under Questionnaires/Sleep and Health Questionnaire (SHQ) in CCSHS variables
yycafdr under Questionnaires/Sleep and Health Questionnaire (SHQ) in CCSHS variables
tea15 under Lifestyle and Behavioral Health/SHHS1 in SHHS variables
How many cups of tea (with caffeine) do you drink on a regular day? (Number of cups of tea, up to 2 digits)
sh325 under Lifestyle and Behavioral Health/SHHS2 in SHHS variables
On a typical day, how many cups of regular coffee (with caffeine) do you drink?
sh326 under Lifestyle and Behavioral Health/SHHS2 in SHHS variables
How many cups of regular tea (with caffeine) do you drink on a typical day?
sh327a under Lifestyle and Behavioral Health/SHHS2 in SHHS variables
How many glasses or cans of cola or other soda with caffeine do you drink on a typical day? _________ glasses
sh327b under Lifestyle and Behavioral Health/SHHS2 in SHHS variables
How many glasses or cans of cola or other soda with caffeine do you drink on a typical day? _________ cans