Table 2 Study sample characteristics
From: A Benefit of Being Heavier Is Being Strong: a Cross-Sectional Study in Young Adults
Total | Male | Female | t (df) | p | 95% CI | |
|---|---|---|---|---|---|---|
M (SD) | ||||||
N = 68 | N = 33 | N = 35 | ||||
Age (years) | 23 (3) | 23 (3) | 23 (3) | 0.6 (66) | .51 | − 1.03 to 2.04 |
Height (cm) | 175.0 (8.4) | 181.1 (6.1) | 169.3 (6.0) | − 7.9 (66) | <.001 | − 14.66 to − 8.75 |
Weight (kg) | 72.0 (12.6) | 79.2 (10.7) | 65.2 (10.4) | − 5.5 (66) | <.001 | − 19.13 to − 8.95 |
BMI (kg/m2) | 23.4 (3.2) | 24.2 (3.3) | 22.6 (3.0) | − 2.0 (66) | .05 | − 3.05 to − 0.01 |
Fat mass (kg) | 17.3 (7.3) | 15.0 (7.3) | 19.5 (6.7) | 2.6 (66) | .01 | 1.09–7.88 |
Fat-free mass (kg) | 54.6 (11.2) | 64.2 (6.8) | 45.7 (5.8) | − 12.1 (66) | <.001 | − 21.57 to 15.47 |
VO2max (ml/min/fat-free mass) | 54.3 (6.8) | 55.0 (6.4) | 53.6 (7.2) | − 0.8 (66) | .40 | − 4.80 to 1.94 |
Self-reported physical activity | 4.1 (2.9) | 4.2 (2.7) | 3.9 (3.2) | 0.48 (66) | .64 | − 1.09 to 1.77 |
Leg press (1RM) | 196.8 (50.6) | 234.2 (35.5) | 161.4 (34.8) | − 8.5 (66) | <.001 | − 89.85 to − 55.78 |
Chest press (1RM) | 70.7 (29.9) | 95.8 (21.4) | 46.9 (11.9) | − 11.6 (49) | <.001 | − 57.39 to − 40.42 |
Aerobic exercises | ||||||
Instrumental attitude | 6.3 (0.5) | 6.2 (0.6) | 6.3 (0.4) | 1.3 (66) | .21 | − 0.09 to 0.41 |
Experiential attitude | 4.9 (1.0) | 5.0 (1.0) | 4.9 (1.1) | − 0.1 (66) | .92 | − 0.53 to 0.48 |
Intention | 5.7 (1.3) | 5.6 (1.4) | 5.8 (1.3) | 0.6 (66) | .57 | − 0.45 to 0.82 |
Intrinsic motivation | 5.4 (1.2) | 5.4 (1.1) | 5.4 (1.3) | 0.1 (66) | .96 | − 0.56 to 0.60 |
A-motivation | 2.2 (1.0) | 2.0 (1.1) | 2.3 (1.0) | 0.9 (66) | .36 | − 0.28 to 0.74 |
Strength exercises | ||||||
Instrumental attitude | 5.3 (0.9) | 5.4 (0.9) | 5.1 (0.9) | − 1.3 (66) | .21 | − 0.73 to 0.16 |
Experiential attitude | 4.3 (1.3) | 4.5 (1.3) | 4.1 (1.3) | − 1.3 (66) | .20 | − 1.04 to 0.22 |
Intention | 4.6 (1.9) | 5.1 (1.9) | 4.2 (1.8) | − 1.9 (66) | .06 | − 1.75 to − 0.04 |
Intrinsic motivation | 4.4 (1.8) | 4.7 (1.8) | 4.1 (1.7) | − 1.5 (66) | .14 | − 1.51 to 0.21 |
A-motivation | 2.8 (1.3) | 2.5 (1.3) | 3.1 (1.2) | 2.2 (66) | .04 | 0.05 to 1.26 |