BMI	Count	Average age	Average BMI	Average K-score	(1) Average gait speed at each BMI band	(2) Average gait speed at each age band	BMI Adjustment Factor = (2)/(1)
BMI	Count	Average age	Average BMI	Average K-score	(1) Average gait speed at each BMI band	(2) Average gait speed at each age band	BMI Adjustment Factor = (2)/(1)
Under 20	6	87.5	18	38.0	82	54	0.7
20 - 24	12	83.7	22	40.3	71	71	1.0
25 - 29	8	83.5	28	34.6	64	71	1.1
30 and over	12	78.1	33	39.0	72	79	1.1
Total	38	82.5	26	38.4	71	NA	NA