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Table 4 Caffeine consumption level (mg/day) by beverage category, n=547

From: Caffeine consumption, intoxication, and stress among female university students: a cross-sectional study

Beverage category Level
Arabic coffee 11.86±15.78
Regular brew coffee 62.74±114.30
K cups 55.39±114.62
Instant coffee 46.47±95.86
Flavored coffee 24.87±44.35
Specialty coffee 93.06±126.99
Espresso coffee 46.51±113.64
Canned coffee 2.89±9.33
Decafe coffee 0.21±0.92
Black tea 51.60±83.98
Green tea 7.07±19.94
Canned tea 3.08±9.87
Cola 10.70±16.91
Citrus 5.25±15.51
Energy drinks 11.40±36.05
Total caffeine consumption 424.69±385.31
  1. Values are presented as mean ± standard deviation