Prevalences (SE) of 12-month and lifetime DSM-5 AUD were 13.9% (0.31%) and 29.1% (0.48%), respectively (Table 2). Twelve-month prevalences of mild, moderate, and severe AUD were 7.3% (0.19%), 3.2% (0.13%), and 3.4% (0.12%), respectively; prevalences of lifetime AUD, 8.6% (0.18%), 6.6% (0.18%), and 13.9% (0.31%), respectively. Mean age at AUD onset was 26.2 years, which decreased with increasing severity to 30.1 years for mild AUD, 25.9 years for moderate AUD, and 23.9 years for severe AUD. Rates of 12-month and lifetime DSM-IV AUDs in the NESARC-III were 12.7% and 43.6%, respectively, which are considerably higher than those of the 2001-2002 NESARC (8.5% and 30.3%, respectively).6
