Our expanded version of the tripartite influence model provided a solid foundation from which to understand gay men’s body image and body change behaviors. Overall, the model constructs
contributed 41.2% of the variance in muscularity dissatisfaction, 67.4% of the variance in body fat dissatisfaction, 33.5% of variance in muscularity enhancement behaviors, and 47.7% of the variance in disordered eating behaviors. These percentages are considered sizeable for structural models