Li · JAMA 2022 · serial cross-sectional study · n=?

Trends in Use of Melatonin Supplements Among US Adults, 1999-2018.

Cited 94 times in the scientific literature.

Level 4 - case-series / case-control

Serial cross-sectional survey analysis of population trends

PubMed 35103775 · doi:10.1001/jama.2021.23652 · record verified 2026-08-28

What was done

This study examined reported prevalence and multi-year trends in the use of melatonin supplements among US adults from 1999 through 2018.

What was found

The abstract reports no numbers, prevalence statistics, effect sizes, or specific directional trends.

Why it matters

Tracking population-level melatonin supplement use characterizes patterns in over-the-counter sleep aid consumption over two decades.

Limits

The abstract does not state the sample size, data source, specific population demographics, dosages, or any quantitative results.

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