Self-reported caffeine consumption miss-matched consumption measured by plasma levels of caffeine and its metabolites: results from two population-based studies.
Nermine LaaboubSetareh RanjbarMarie-Pierre F StrippoliPedro Marques-VidalSandrine Estoppey-YounesBelen PonteMenno PruijmBruno VogtNicolas AnsermotSéverine CrettolFrederik VandenberghePeter VollenweiderMartin PreisigMurielle BochudChin B EapPublished in: European journal of nutrition (2024)
Self-reports of no or low caffeine consumption and consumption of more than 3-5 cups of coffee should be interpreted with caution, with possible under- or over-estimation. Quantifying plasma levels of caffeine and its metabolites may contribute to a better estimation of caffeine intake.