TABLE 5.

Results of a Generalized Linear Model With Incidence of Injury per 1000 Hours of Exposure as the Response and Age Class as an Ordered Predictor^a

	n	Estimate	SE	t Value	Pr(>|t|)
Intercept		0.020	0.050	0.402	0.691
Age class, y
<10	3	–0.001	0.058	–0.018	0.986
<11	3	–0.002	0.058	–0.035	0.972
<12	4	0.007	0.056	0.132	0.896
<13	4	0.068	0.056	1.215	0.237
<14	5	0.171	0.055	3.104	0.005
<15	5	0.268	0.055	4.847	<0.001
<16	5	0.159	0.055	2.871	0.009

^aThe age class of players <9 years (n = 1) was omitted because of low cell counts. SE, standard error.