TABLE 1.

Mean Caffeine Intake

CoffeeTeaSoda.hSoda.lCondimentsMedicationsTotal
Unit size6 oz8 oz12 oz12 oz1 cup1 tablet
Mean units/d0.060.060.170.680.060.031.06
Percent of units5.36.116.263.95.62.9100
Caffeine (mg)/unit13550554040100420
 mg/d7.63.29.4272.33.152.7
Percent of caffeine14.56.117.851.34.55.9100