Table 4.

Results of univariate logistic regression analyses of associations between injury and the explanatory variables age, industry sector, experience, driving license class and performance of a mechanical checklist.

Variable	Category	Injuries-No n (%)	Injuries-Yes n (%)	OR	95%CI	Pa
Age (years)	61 +	150 (13.3)	11 (1.0)	Ref		< 0.001
	46–60	335 (29.6)	52 (4.6)	2.11	1.07–4.17
	31–45	244 (21.6)	62 (5.5)	3.46	1.76–6.78
	16–30	201 (17.8)	75 (6.6)	5.09	2.61–9.91
Industry sector	Recreational	176 (15.5)	33 (2.9)	Ref		0.019
	Endurance and competitive trail riding	44 (3.9)	10 (0.9)	1.21	0.55–2.64
	Dressage	111 (9.8)	20 (1.8)	0.96	0.52–1.75
	Eventing	83 (7.3)	37 (3.3)	2.38	1.39–4.06
	Show jumping	108 (9.5)	26 (1.8)	1.28	0.72–2.26
	Pony club	63 (5.6)	15 (1.3)	1.27	0.64–2.49
	Horse breeding	59 (5.2)	8 (0.7)	0.72	0.31–1.65
	Racing	209 (18.4)	35 (3.1)	0.89	0.53–1.49
	Other	79 (7.0)	17 (1.5)	1.14	0.60–2.18
Experience in horse handling (years)	51+	64 (5.7)	5 (0.4)	Ref		0.005
	41–50	132 (11.7)	17 (1.5)	1.65	0.58–4.66
	31–40	219 (19.4)	51 (4.5)	2.39	0.90–6.31
	21–30	186 (16.5)	43 (3.8)	2.95	1.12–7.79
	11–20	213 (18.8)	58 (5.1)	3.48	1.34–9.05
	6–10	75 (6.6)	20 (1.8)	3.41	1.21–9.60
	1–5	32 (2.8)	15 (1.3)	6.00	2.00–17.96
Driving license class	HVL1	316 (28.4)	66 (5.9)	Ref		0.045
	Full	551 (49.6)	109 (9.8)	1.06	0.75–1.47
	L+R2	50 (4.5)	20 (1.8)	2.02	1.15–3.52
Mechanical checklist	5–always	268 (24.2)	55 (5.0)	Ref		0.048
	4–most of the time	322 (29.1)	51 (4.6)	0.77	0.51–1.16
	3–about half the time	97 (8.8)	23 (2.1)	1.15	0.67–1.98
	2–sometimes	156 (14.1)	48 (4.3)	1.49	0.97–2.31
	1–never	70 (6.3)	18 (1.6)	1.25	0.69–2.26

Data were collected from an online survey on horse transport in New Zealand (n = 1,133) for movements occurring between 2015 and 2017.

^aP, Wald test P value.

¹Heavy vehicle license

²Learners or restricted (probationary) licenses.