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Antidepressant Use By Those Over 65 In UK Doubled Over 20 Years

New research from the United Kingdom finds that antidepressant use among those  over 65 more than doubled over two decades. But despite the rise in antidepressant use, there was little change in the number of older people actually diagnosed with depression.

The research effort, led by University of East Anglia investigators, evaluated data from the Cognitive Function and Aging Studies, conducted at two time points: between 1991 and 1993, and between 2008 and 2011. Researchers interviewed more than 15,000 over 65s in England and Wales to see whether the prevalence of depression and antidepressant use is changing.

“Between two comparable samples interviewed 20 years apart, we found little change in the prevalence of depression, but the proportion of participants taking antidepressants rose from 4 percent to almost 11 percent,” said lead author Prof. Antony Arthur, from UEA’s School of Health Sciences. “This could be due to improved recognition and treatment of depression, overprescribing, or use of antidepressants for other conditions.”

Arthur added, “Depression is a leading cause of poor quality of life worldwide, and we know that older people may be less likely than other age groups to go to their physician with symptoms of depression.

“Until now, little was known about how the relationship between the prevalence of depression and antidepressant use among older people has changed over time.”

Arthur noted that the Cognitive Function and Aging Studies led by the University of Cambridge can examine changes in the health needs of older people across generations. The studies are based on random sampling and diagnostic methods held constant over time.

“We asked participants about their health, daily activities, use of health and social care services, and the medications they were taking,” he said.

Arthur said a standardized interview process allowed the investigators to ascertain the presence or absence of symptoms of depression. They were then able to apply diagnostic criteria to see whether the participant was considered to have “case level” depression; a level of depression more severe than that characterized by minor mood symptoms, such as loss of energy, interest or enjoyment.

The study’s lead investigator, Prof. Carol Brayne, director of the Cambridge Institute of Public Health, said, “Our research has previously shown a dramatic age-for-age drop in dementia occurrence across generations. This new work reveals that depression has not shown the same reduction even in the presence of dramatically increased prescribing, itself not without concern given potential adverse effects we have also shown that are associated with polypharmacy.”

Among the key findings:

  • the proportion of older people receiving antidepressant medication more than doubled over two decades, from 4.2 per cent in the early ’90s to 10.7 percent 20 years later;
  • the estimated prevalence of depression among over 65s in the early 1990s was 7.9 per cent, compared to 6.8 percent 20 years later;
  • depression and antidepressant use was more common in women than men at both time points;
  • depression was associated with living in a more deprived area;
  • the proportion of over 65s living in care homes declined, but prevalence of depression in care homes remained unchanged; affecting around one in ten residents;
  • across both time periods, most people with case-level depression were not on antidepressants, while most of those on antidepressants did not have depression.

Arthur said the research shows that “depression affects one in 15 people aged over 65, and its impact is felt by the individual, their families and friends.”

“Substantial increases in prescribing have not reduced the prevalence of depression in the over-65 population. The causes of depression in older people, the factors that perpetuate it, and the best ways to manage it remain poorly understood and merit more attention.”

The research was led by the University of East Anglia in collaboration with the University of Cambridge, the University of Newcastle and the University of Nottingham.

The study appears in the British Journal of Psychiatry.

Source: University of East Anglia

Antidepressant Use By Those Over 65 In UK Doubled Over 20 Years

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2019). Antidepressant Use By Those Over 65 In UK Doubled Over 20 Years. Psych Central. Retrieved on December 4, 2020, from
Scientifically Reviewed
Last updated: 8 Oct 2019 (Originally: 8 Oct 2019)
Last reviewed: By a member of our scientific advisory board on 8 Oct 2019
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