Table 2.
Results from multiple linear regression models predicting the facets of drive for muscularity (DMS).
| Drive for muscularity | DMS mean score |
DMS attitudes |
DMS behavior |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β | t | ra(bc) | β | t | ra(bc) | β | t | ra(bc) | |||||||
| Age | -0.36 | -5.81∗∗∗ | -0.35 | -0.35 | -5.74∗∗∗ | -0.34 | -0.29 | -4.68∗∗∗ | -0.28 | ||||||
| FFMI | 0.07 | 1.11 | 0.07 | -0.07 | -1.12 | -0.07 | 0.23 | 3.70∗∗∗ | 0.22 | ||||||
| Self-esteem – physical attractiveness | -0.22 | -2.93∗∗ | -0.12 | -0.20 | -2.84∗∗ | -0.11 | -0.19 | -2.13∗ | -0.11 | ||||||
| Self-esteem – fitness | -0.20 | -3.34∗∗ | -0.14 | -0.17 | -3.05∗∗ | -0.12 | -0.19 | -2.61∗ | -0.13 | ||||||
| Performance-related self-esteem | -0.04 | -0.60 | -0.03 | -0.03 | -0.44 | -0.02 | -0.05 | -0.59 | -0.03 | ||||||
| Global self-esteem | 0.10 | 0.90 | 0.04 | -0.01 | -0.08 | -0.00 | 0.21 | 1.62 | 0.08 | ||||||
| Dissatisfaction with muscularity | 0.15 | 3.23∗∗ | 0.13 | 0.21 | 4.81∗∗∗ | 0.19 | 0.04 | 0.63 | 0.03 | ||||||
| Dissatisfaction with body fat | 0.04 | 0.83 | 0.03 | 0.02 | 0.50 | 0.02 | 0.05 | 0.91 | 0.05 | ||||||
| Internalization media body ideals | 0.47 | 10.34∗∗∗ | 0.42 | 0.41 | 9.39∗∗∗ | 0.37 | 0.45 | 8.13∗∗∗ | 0.41 | ||||||
| Stressful peer experiences | -0.02 | -0.45 | -0.02 | -0.01 | -0.30 | -0.01 | -0.03 | -0.46 | -0.02 | ||||||
| Model fit | Step 1 | F(2,245) = 16.969∗∗∗ | F(2,245) = 20.327∗∗∗ | F(2,245) = 14.113∗∗∗ | |||||||||||
| Step 2 | F(10,237) = 35.898∗∗∗ | F(10,237) = 41.777∗∗∗ | F(10,237) = 16.544∗∗∗ | ||||||||||||
| R2 | Step 1 | 0.12 | 0.14 | 0.10 | |||||||||||
| R2 | Step 2 | 0.60 | 0.64 | 0.41 | |||||||||||
| ΔR2 | 0.48 | 0.50 | 0.31 | ||||||||||||
ra(b c), semi-partial correlation, ∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001, FFMI, fat-free mass index; Step 1, age and FFMI; Step 2, psychological and sociocultural factors.