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Patterns of caffeine consumption.

M J Shirlow

    Human Nutrition. Applied Nutrition
    |August 1, 1983
    PubMed
    Summary

    Most Australians consume caffeine daily, with average intake at 240 mg/day. One-third may be physically dependent, while few are true caffeine abstainers.

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    Area of Science:

    • Nutrition Science
    • Public Health Research

    Background:

    • Caffeine is a widely consumed psychoactive substance.
    • Understanding population-level caffeine consumption is crucial for public health.
    • Dietary habits and their relation to caffeine intake require investigation.

    Purpose of the Study:

    • To assess the usual daily caffeine consumption from all sources in an Australian population.
    • To identify patterns and variations in caffeine intake across different demographic groups.
    • To explore associations between caffeine consumption and other lifestyle factors like tobacco and alcohol use.

    Main Methods:

    • A cross-sectional survey was conducted among 4757 Australians.
    • Data collected included usual daily caffeine intake from all dietary sources.
    • Analysis examined consumption patterns, demographic differences, and correlations with tobacco and alcohol use.

    Main Results:

    • The average daily caffeine consumption was 240 mg per person.
    • Approximately one-third of the surveyed population had high caffeine intakes (≥240 mg/day), suggesting potential physical dependence.
    • Only 3% of the population were identified as complete abstainers from caffeine.
    • Younger individuals consumed more coffee and less tea than older individuals.
    • Caffeine, tea, and coffee consumption showed positive associations with tobacco use.
    • Tea consumption was negatively correlated with alcohol intake.

    Conclusions:

    • Caffeine is a common dietary component in Australia, with a significant portion of the population exhibiting high consumption levels.
    • Demographic factors, particularly age, influence beverage choices related to caffeine intake.
    • Caffeine consumption patterns are linked to other substance use behaviors, highlighting complex lifestyle interdependencies.

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