Table 1 Comparisons by Causes and Length of Time with Chronic Pain for Human Patients versus Dog Patients
Human Patients (N = 313) | Dog Patients (N = 204) | ||
|---|---|---|---|
Primary Cause of Chronic Pain | Â | Primary Cause of Chronic Pain | Â |
 Chronic Back Pain | 48%(149) |  Chronic Back Pain | 22% (45) |
 Degenerative Joint Disease | 17% (54) |  Degenerative Joint Disease | 45% (91) |
 Mouth Pain or Headache | 17% (52) |  Mouth Pain from Dental Disease | 7% (14) |
 Other | 18% (58) |  Other | 26% (54) |
χ2 (3, N = 571) = 67.22, p < .001 | |||
Length of Time with Chronic Pain | Â | Length of Time with Chronic Pain | Â |
 < 1 year | 18% (55) |  < 1 year | 36% (74) |
 1-5 years | 47% (146) |  1-3 years | 55% (112) |
 > 5 years | 35% (108) |  > 3 years | 9% (18) |
χ2 (2, N = 513) = 52.26, p < .001 | |||