Table 4.

Final linear regression model of factors affecting Canadian veterinarians’ perception of the pain experienced by dogs in the first 24 h after ovariohysterectomy, if no analgesics were given

Predictor	Coefficient	95% confidence interval	P
Number of years since graduation	−0.073	−0.096–0.05	< 0.001
Ratio of animal health technicians to veterinarians exceeds 0.5	0.42	0.004–0.84	0.048

Adjusted R² = 0.13