Table 1. Body composition and physical activity characteristics of Young Men (YM, 20-39 yrs), Middle-Aged Men (MM, 40-59 yrs), and Older Men (OM, 60-81yrs). Data are means (±SE).
Variables
YM (n=25)
MM (n=24)
OM (n=23)
Age (yrs)
28.9 (1.3)
48.4 (.9)
67.8 (1.3)
Height (cm)
179.4 (1.3)
178.7 (1.3)
176.4 (1.7)
Weight (kg)
88.3 (3.2)
94.3 (3.8)
82.2 (3.5)
BMI (kg · m-2)
27.3 (.81)
29.5 (1.1)
26.2 (.7) b
Fat Mass (kg)
21.8 (1.7)
25.1 (1.7)
20.8 (1.2)
Lean Body Mass (kg)
65.9 (2.0)
67.9 (2.1)
60.0 (2.4) b
Left Leg Lean Mass (kg)
10.4 (.3)
10.3 (.4)
9.0 (.3) a, b
Strenuous Exercise (bouts/week)
0.89 (.22)
.98 (.27)
.57 (.29)
Moderate Exercise (bouts/week)
1.56 (.35)
2.50 (.52)
1.91 (.44)
Mild Exercise (bouts/week)
2.70 (.45)
2.40 (.42)
2.39 (.51)
BMI = body mass index. Strenuous, Moderate, Mild Exercise = raw score from Godin Leisure-Time Questionnaire.
Significantly different (p < 0.05) between OM and YM.
Significantly different (p < 0.05) between OM and MM.