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Intake of Caffeine from All Sources Including Energy Drinks and Reasons for Use in US College Students
Author(s) -
Lieberman Harris,
Marriott Bernadette,
Judelson Daniel,
Glickman Ellen,
Geiselman Paula,
Giles Grace,
Mahoney Caroline
Publication year - 2015
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.29.1_supplement.392.1
Subject(s) - caffeine , mood , population , medicine , psychology , environmental health , social psychology , psychiatry
We surveyed caffeine consumption of college students (N=1,248) at 5 US universities. Since the lifestyle of college students differs from the general population, their caffeine use may differ. Survey questions included demographics, type and frequency of caffeine‐containing products used and reasons for use. Caffeine was consumed by 92% of students. Mean daily per capita caffeine consumption was 159 mg/d (173 mg/d among caffeine users). Coffee was the main source of caffeine intake in males (74 mg/d) and females (87 mg/d). Males consumed 21 mg/d of caffeine in energy drinks and females 10 mg/d; 72% of students never consumed energy drinks with alcohol. Regression analysis demonstrated an association of higher caffeine intake with older age and tobacco use (P<0.01). Students cited multiple reasons for caffeine use: feeling awake (77%); taste (66%); social aspects (38%); improved concentration (30%); physical energy (26%); improved mood (18%); alleviation of stress (9%). Caffeine intake was higher among students, especially women, than expected based on population norms, but intake from energy drinks was modest. Views expressed here are those of the authors and do not reflect official policy of the US Army, Department of Defense, or US Government. Support: DoD/MRMC.

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