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Preliminary efficacy of service dogs as a complementary treatment for posttraumatic stress disorder in military members and veterans

By M. E. O'Haire, K. E. Rodriguez

Category Journal Articles
Abstract

Objective
Psychiatric service dogs are an emerging complementary treatment for military members and veterans with posttraumatic stress disorder (PTSD). Yet despite anecdotal accounts of their value, there is a lack of empirical research on their efficacy. The current proof-of-concept study assessed the effects of this practice.

Method
A non-randomized efficacy trial was conducted with 141 post-9/11 military members and veterans with PTSD to compare usual care alone (n = 66) versus usual care plus a trained service dog (n = 75). The primary outcome was longitudinal change on the PTSD Checklist, including data points from a cross-sectional assessment and a longitudinal record review. Secondary outcomes included cross-sectional differences in depression, quality of life, and social and work functioning.

Results
Mixed model analyses revealed clinically significant reductions in PTSD symptoms from baseline following the receipt of a service dog, but not while receiving usual care alone. Though clinically meaningful, average reductions were not below the diagnostic cutoff on the PTSD Checklist. Regression analyses revealed significant differences with medium to large effect sizes among those with service dogs compared to those on the waitlist, including lower depression, higher quality of life, and higher social functioning. There were no differences in employment status but there was lower absenteeism due to health among those who were employed.

Conclusions
The addition of trained service dogs to usual care may confer clinically meaningful improvements in PTSD symptomology for military members and veterans with PTSD, though does not appear to be associated with a loss of diagnosis.

Date 2018
Publication Title Journal of Consulting and Clinical Psychology
Volume 86
Issue 2
Pages 179-188
DOI 10.1037/ccp0000267
URL https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5788288/
Language English
Additional Language English
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Tags
  1. Adults
  2. Animal-assisted therapies
  3. Animals
  4. Assessment
  5. Cross-Sectional Studies
  6. Depression
  7. Dogs
  8. Females
  9. Humans
  10. Longitudinal studies
  11. Males
  12. Middle Aged Adults
  13. Military personnel
  14. open access
  15. Post-traumatic Stress Disorder
  16. Quality of life
  17. Stress
  18. veterans
Badges
  1. open access