"Military personnel aged 18 to 25 showed significantly higher rates of heavy drinking (26%) than did civilians (16%).
"Likewise, military personnel aged 26 to 35 showed higher rates of heavy drinking (18%) than did their civilian counterparts (11%). For those aged 36 to 45, this rate was slightly higher for military personnel than civilians (10% vs. 8%) though this difference did not reach statistical significance.
"Among those aged 46 to 64, military personnel exhibited lower rates of heavy alcohol use (4%) than did civilians (9%).
"Across all age groups, military personnel showed significantly higher rates of heavy drinking (20%) than did civilians (14%)."
Robert M. Bray, et al., "2008 Department of Defense Survey of Health Related Behaviors Among Active Duty Military Personnel, A Component of the Defense Lifestyle Assessment Program (DLAP)" (Research Triangle Park, NC: RTI International, Sept. 2009), p. 54.