Table 1

Risk factors for injury during indoor rock climbing: univariate results

Factor	Baseline groups	Risk groups	OR for injury	Total χ² (df)	p Value	χ² for trend	p Value
*p<0.05.
OR, Odds ratio.
Sex	F	M	2.39	6.83	0.009*
Preferred activity	Top roping	Bouldering	2.42	13.15 (2)	0.001*	10.87	0.0009*
		Leading	2.72
Preferred activity	Top roping	Bouldering and leading	2.54	12.98	<0.0005*
Lead grade	Up to HVS	E1–E3	2.26	20.58 (3)	<0.0005*	19.79	<0.0005*
		E4–E5	4.3
		E6+	6.07
Bouldering	Up to 4c	5a–5c	2.46	24.76 (3)	<0.0005*	22.42	<0.0005*
		6a–6c	6.6
		7a+	5.87
Age group	<20	20–24	1.39	1.98 (3)	0.576	1.59	0.208
		25–34	1.36
		35+	1.64
Years climbing	0–4	5–9	1.66	10.31 (2)	0.006*	10.28	0.0014*
		10+	2.66
Visits per annum	up to 26	27–52	1.62	10.28 (3)	0.016*	6.14	0.0132*
		53–104	1.29
		>104	3.56