As presented in Table 2, along with the semi-partial correlations (the factors unique contribution to the outcome), age was the strongest negative predictor (i.e., the predictor greatest in magnitude if the regression coefficients) for aspects of drive for muscularity, while FFMI revealed the second-strongest positive connection with drive for muscularity-related behavior. On the other hand, FFMI did not predict muscularity-related attitudes. Both factors accounted for 9–14% of variance in drive for muscularity and its related attitudes and behaviors.