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. Author manuscript; available in PMC: 2012 Sep 21.
Published in final edited form as: Arch Intern Med. 2010 Jan 25;170(2):170–178. doi: 10.1001/archinternmed.2009.494

Table 1.

Baseline characteristics of trial participants (N=155).

Variable * BAT (n=49) 1x RT (n=54) 2x RT (n=52) Total (N=155)
Mean (SD) Mean (SD) Mean (SD) Mean (SD)
Age (yr) 70.0 (3.3) 69.5 (2.7) 69.4 (3.0) 69.6 (3.0)
Height (cm) 161.0 (6.9) 160.9 (7.0) 162.8 (6.5) 161.6 (6.8)
Weight (kg) 67.0 (11.5) 69.2 (16.2) 72.1 (16.8) 69.5 (15.2)
Education
 Less than Grade 9 1.0 (2) 1.0 (1.9) 1.0 (1.9) 3.0 (1.9)
 Grade 9 to 12 without Certificate or Diploma 2.0 (4.1) 3.0 (5.6) 4.0 (7.7) 9.0 (5.8)
 High School Certificate or Diploma 6.0 (12.2) 9.0 (16.7) 10.0 (19.2) 25.0 (16.1)
 Trades or Professional Certificate or Diploma 14.0 (28.6) 10.0 (18.5) 6.0 (11.5) 30.0 (19.4)
 University Certificate or Diploma 7.0 (14.3) 12.0 (22.2) 9.0 (17.3) 28.0 (18.1)
 University Degree 19.0 (38.8) 19.0 (35.2) 22.0 (42.3) 60.0 (38.7)
MMSE Score (max. 30 pts) 28.8 (1.2) 28.5 (1.3) 28.6 (1.5) 28.6 (1.3)
Falls in the Last 12 Months (yes/no) 16 (34) 13 (24.5) 20 (38.5) 49 (32.2)
Geriatric Depression Scale (max. 15 pts) 0.5 (1.8) 0.3 (1.1) 0.9 (2.3) 0.6 (1.8)
Functional Comorbidity Index (max. 18 pts) 2.2 (1.7) 1.8 (1.7) 2.3 (1.6) 2.1 (1.7)
Lawton and Brody (max. 8 pts) 8.0 (0) 8.0 (0.1) 7.9 (0.5) 8.0 (0.3)
Physical Activity Scale for the Elderly 126.1 (51.0) 116.2 (61.4) 121.2 (60.4) 121.0 (57.7)
Timed Up and Go Test (sec) 6.8 (1.4) 6.6 (1.4) 6.6 (1.4) 6.6 (1.4)

Edge Contrast Sensitivity (dB) 22.4 (1.6) 22.1 (2.0) 22.1 (1.4) 22.2 (1.7)
*

yr = year; kg = kilogram; MMSE = Mini-Mental State Examination; sec = seconds; dB = decibel units.

Count = number of “yes” cases within each group. % = percent of “yes” within each group.