EQUINE VETERINARY EDUCATION / AE / FEBRUARY 2022


89


TABLE 2: Univariable Poisson regression, including robust standard errors and clustering at venue level, of signalment, work discipline, gait abnormalities, rider and tack variables associated with Ridden Horse Pain Ethogram scores in a convenience sample of 148 horses evaluated moving in hand and ridden


Variable


Horse Age (continuous) Breed Cob


Warmblood/Warmblood cross Thoroughbred/Thoroughbred cross Irish Sports Horse Pony Other


Sex


Gelding/stallion Mare


Work discipline


General purpose Dressage


Show jumping Eventing


Riding school Racing/Endurance/Western Gait


Lameness in hand No Yes


Lameness ridden No Yes


Lameness in hand or ridden No Yes


Lameness status Not lame


Mild lameness


Moderate lameness Severe lameness


Lameness status (recategorised) Not lame


Mild lameness


Moderate-to-severe lameness Gait abnormality in canter No Yes


Rider


Rider seat position Middle Back


Rider size in relation to saddle Suitable


Too large


Rider balance In balance


Out of balance


Rider score (0–3) (continuous) Rider score


No abnormalities (0) 1 abnormality (1) 2 abnormalities (2) 3 abnormalities (3)


0.24


Reference 0.08


Reference 0.04


Reference 0.21 0.07


Reference 0.04 0.02 0.22


0.07 0.09


0.07 0.03


0.11 0.11 0.09


Reference 1.1


Reference 1.0


Reference 1.2 1.1


Reference 1.0 1.0 1.3


0.9, 1.3 0.67 0.9, 1.2 0.002


1.1, 1.4 1.0, 1.1


0.8, 1.3 0.8, 1.3 1.0, 1.5


0.03 0.001


0.69 0.86 0.02


0.05


Reference 0.33


0.07 0.16


0.45


Reference 0.04


Reference 0.28


Reference 0.83


Reference 0.33 0.89 0.74


Reference 0.33 0.89


Reference 0.22


0.11 0.12 0.09 0.07 0.11


Reference 0.7 1.0 0.9 1.2 0.6


0.09 0.12 0.1


0.09 0.11 0.10


0.10 0.11


0.09


Reference 1.0


Reference 1.3


Reference 2.3


Reference 1.4 2.4 2.1


Reference 1.4 2.4


Reference 1.2


0.6, 0.9 0.8, 1.3 0.8, 1.1 1.0, 1.3 0.5, 0.8


Reference 0.10


0.04


Reference 1.1


1.0, 1.2 <0.001


0.002 0.70 0.39 0.01


<0.001 0.69 0.8, 1.2 0.02 1.1, 1.7 <0.001 1.9, 2.8 <0.001


1.2, 1.7 2.0, 3.0 1.7, 2.6


1.2, 1.7 2.0, 3.0


1.0, 1.5 0.001


<0.001 <0.001 <0.001


0.001


<0.001 0.02


Coefficient Robust standard error 0.002


Reference 0.01 0.12 0.04 0.13 0.13


0.01


0.06 0.09 0.12 0.09 0.15


Incident rate ratio (IRR)


0.998


Reference 1.0 1.1 1.0 1.1 1.1


IRR 95% CI 0.98, 1.01


0.9, 1.1 0.9, 1.3 0.8, 1.3 0.9, 1.4 0.8, 1.5


Wald P-value


0.82 0.20


0.81 0.17 0.74 0.17 0.41 0.02


© 2020 EVJ Ltd


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