Table 1

Incidence of fall events and follow up times in control and exercise group participants

		Year 1				Year 2
		Control group (n=117)	Exercise group (n=116)			Control group (n=81)	Exercise group (n=71)
Number of falls	152	88^1-150		68	50^†
Falls per 100 person years	134.0	80.9		94.2	85.7
Number of injurious falls	77	33^‡		21	14^§
Serious	13	12		4	5
Moderate	64	21		17	9
Injurious falls per 100 person years	67.9	30.3		29.1	24.0
Number of falls for which medical care sought	29	27		14	7
Follow up time (person years)	113.44	108.80		72.19	58.33

↵1-150 Relative hazard for exercise group compared with control group 0.68 (95% confidence intervals 0.52 to 0.90).13 ^†Relative hazard over two years 0.69 (95% confidence intervals 0.49 to 0.97).16 ^‡Relative hazard 0.61 (95% confidence intervals 0.39 to 0.97).13 ^§Relative hazard over two years 0.63 (95% confidence intervals 0.41 to 0.95).16