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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: J Consult Clin Psychol. 2018 Feb;86(2):179–188. doi: 10.1037/ccp0000267

Table 3.

Usual care PTSD treatment participation across groups

Group Group difference

Measure Waitlist
(n = 66)
Service Dog
(n = 75)
b t d
Receiving PTSD treatment, n (%) 53 (80.3) 58 (77.3) 0.04 0.08 0.07
Treatment sessions per year, M (S.D.) 39.0 (38.7) 41.9 (78.0) 7.87 0.71 0.05
Perceived level of improvement since receiving care, M (S.D.) 5.0 (1.9) 6.0 (1.7) 0.98** 2.76 0.55

PTSD, posttraumatic stress disorder; M, mean; S.D., standard deviation; b, standardized regression coefficient (reference category: service dog), d, Cohen’s d effect size; CI, confidence interval;

**

, p < .01

a

Perceived level of improvement since receiving care, M (SD)