Prevalence, correlates, comorbidity, and age of onset of alcohol use disorders in adult males from five provinces in China

•Data from 5 large representative epidemiologic surveys in China were meta-analyzed.•The prevalence, correlates and age of onset of AUD in Chinese males were estimated.•The demographic profile of AUD varied from that in western high-income countries.•The peak age of onset of AUD was much older than that reported in other countries.