. Author manuscript; available in PMC: 2007 Jun 21.

Published in final edited form as: Arch Phys Med Rehabil. 2007 Jan;88(1):50–53. doi: 10.1016/j.apmr.2006.10.007

Table 1.

Study Sample Characteristics

Variable	Value
Mean age ± SD (y)	80.2±4.9
Women (%)	56.6
Mean education ± SD (y)	11.1±2.6
Mean normal gait velocity ± SD (cm/s)	101.8±16.5
Medical illness (% of sample)
Diabetes	14.6
Hypertension	54.5
Myocardial infarction	6.9
Parkinson′s disease	0.6
Strokes	6.4
Arthritis	15.9
Falls	27.9
Mean cognitive tests ± SD
BIMC test^* (range, 0-32; >7 abnormal)¹⁴	2.2±2.7
Verbal intelligence quotient (mean, 100±15)¹⁶	110.7±16.9
Performance intelligence quotient (mean, 100 ± 15)¹⁶	101.8±7.5
FCSR total recall^†(range, 0-48; <45 abnormal)¹⁵	46.2±1.9
Total digit span (high score better)¹⁶	15.6±3.8
Digit symbol (high score better)¹⁶	48.7±14.3
Letter fluency (high score better)¹⁷	38.5±12.9
Category fluency (high score better)¹⁸	38.9±13.1
GDS (range, 0-15; >5 abnormal)²⁰	1.9±1.7

Abbreviation: GDS, Geriatric Depression Scale.

The BIMC test is a test of general mental status similar to the Mini-Mental State Examination.¹⁴

^†

The FCSR test is a test of verbal memory.¹⁵