Figure 2From: Maternal caffeine intake during pregnancy is associated with birth weight but not with gestational length: results from a large prospective observational cohort study Sources of caffeine intake according to quintiles of total caffeine intake. This figure shows sources of caffeine intake (food frequency questionnaire data) according to quintiles of total caffeine intake, n = 59,123, in the Norwegian Mother and Child Cohort Study 2002 to 2009.Back to article page