Maternal caffeine intake during pregnancy is associated with birth weight but not with gestational length: results from a large prospective observational cohort study

Table 1 Caffeine content in different food items

Food item	Caffeine (mg)/100 g
Coffee, filtered and percolated/pressed	57
Powdered instant coffee	40
Espresso	114
Cappuccino and caffè latte	21
Decaffeinated coffee	2
Caffeinated soft drinks, sugar sweetened and artificially sweetened^a	12
Energy drinks	15^b
Black tea	16
Chocolate milk	2
Sandwich spread containing cocoa	13
Dessert containing cocoa	3
Cake containing cocoa	4
Chocolate, medium-dark	38
Milk chocolate	15
Sweets containing cocoa	9

Caffeine content in food items included in the database used for estimating caffeine intake in the Norwegian Mother and Child Cohort Study 2002 to 2009.
^aCaffeinated soft drinks included in the food frequency questionnaire: Coca Cola/Pepsi with sugar, Coca Cola light, Pepsi Light.
^bMaximum caffeine content in energy drinks in Norway until 2009.

ISSN: 1741-7015