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As caffeine consumption has increased in the U.S., so have concerns about the potential effect of caffeine on enuresis and child health. A convenience sample of 228 English- or Spanish-speaking parents of children aged 5 to 12 years was surveyed about their children's caffeine consumption during routine visits at an urban outpatient pediatric clinic.
Most children in the sample (75%) consumed caffeine. Average caffeine consumption was 52 mg per day in children ages 5 to 7 years and 109 mg in children ages 8 to 12 years (a 12-oz cola drink contains about 45 mg of caffeine). Levels of caffeine consumption were significantly and inversely associated with average hours of sleep. As expected, enuresis was significantly more common in boys and you…