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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Psychophysiology. 2011 Sep 19;49(1):96–103. doi: 10.1111/j.1469-8986.2011.01289.x

Table 1.

Sample characteristics

ALL SUBJECTS WOMEN MEN
Age (years) 20.1 (0.3) 19.9 (0.4) 20.4 (0.4)
BMI (kg/m2) 23.1 (0.5) 22.6 (0.6) 23.8 (0.7)
Education (years) 14.4 (0.2) 14.1 (0.3) 14.8 (0.3)
Exercise (hours/week) 6.0 (0.7) 5.1 (0.9) 7.1 (1.0)
Average Sleep (hours/night) 7.5 (0.1) 7.5 (0.2) 7.5 (0.2)
Ethnicity (% of Caucasian) 92.1 95.2 88.2
Tobacco Use (%) 5.3 0 11.8
Supplement Use (%) 23.7 23.8 23.5
Vegetarian (%) 2.6 4.8 0

Note. Entries show mean (standard error) or percentage of the study sample; BMI: body mass index.