Center for Population Health

The percentage of patients who were prescribed an antidepressant and remained on the medication for 12 weeks and 6 months increased with age.

• In 2015, the year prior to the CT SIM implementation, the percentage of adults who remained on an antidepressant for 12 weeks ranged from a low of 63.7% for 18-34 year-olds to a high of 74.1% for 55-64 year-olds. At 6 months, the percentage of patients who remained on an antidepressant ranged from 42.2% for 18-34 year-olds to 55.9% for 55-64 year-olds.
• In 2017, after two years of the CT SIM implementation, the percentage of patients who remained on an antidepressant at 12 weeks increased to 68.9% for 18–34 year-olds and 76.6% for 55-64 year-olds. At the 6 month mark, 46.2% of 18-34 year-olds who were prescribed an antidepressant remained on it, and 59.3% of 55-64 year-olds continued to take an antidepressant.