Table 5.

Multivariate test for variables associated with the incidence of injuries.

Variable	RRadj (95%CI)	p
Higher body height	1.1 (1.0 – 1.2)	0.09
Higher body weight	1.0 (0.9 – 1.1)	0.67
ITF singles ranking <732	2.0 (0.6 – 7.1)	0.27
Positive previous injury	41.8 (11.3 – 155.0)	<0.001
Match load: singles + doubles	1.9 (0.5 – 7.4)	0.33
WBGT zone 5	2.4 (0.7 – 7.6)	0.15
Round of match: main round	1.3 (0.3 – 5.4)	0.71

RR_adj: adjusted relative risk. CI: confidence interval; WBGT: wet bulb global temperature