About 51.6% of the sample consisted of women, 71% were white, and 29.5% had some college education education. The mean SD caffeine consumption was 176.6 201 mg. Among caffeine users, 43% were moderate to heavy caffeine users with a caffeine consumption of 304.8 196 mg/d, whereas, 46.7% were light caffeine users with a use of 53.5 39.3 mg/d. Those with moderate to heavy caffeine consumption were more likely to be older, male, white, married, and in the highest household income category (>$75,000; Table 1).