Table 2.

Incidence of fall events and follow up times in control and exercise programme centres

	Control centres (n=120)	Exercise programme centres
		1 (n=115)	2 (n=120)	3 (n=95)
No of falls*	105	57	87	54
Falls per 100 person years	93.9	57.4	78.4	66.4
No of injurious falls†:	46	27	37	22
Serious	2	3	9	4
Moderate	44	24	28	18
Injurious falls per 100 person years	41.1	27.2	33.3	27.1
No (%) of falls for which medical care sought	24 (23)	14 (25)	24 (28)	9 (17)
Mean (SD) follow up time (months)	11.2 (2.6)	10.4 (3.4)	11.1 (2.8)	10.3 (3.3)
Total follow up time (person years)	111.83	99.38	111.03	81.29

^*Incidence rate ratio 0.70 (95% confidence interval 0.59 to 0.84), P=0.001. 

^†Incidence rate ratio 0.72 (0.62 to 0.82), P=0.001.