- Adults aged 65 to 69 made up the largest part of the substance abuse treatment population aged 65 or older, increasing from 56 percent of older adults in treatment in 1995 to 59 percent in 2005
- In each year from 1995 to 2005, alcohol was the most frequently reported primary substance of abuse for admissions aged 65 or older
- Between 1995 and 2005, primary opiate admissions increased from 6.6 to 10.5 percent of admissions aged 65 or older
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