The intervention was associated with significant improvements in dietary attitudes ( P = @ ; F = @ ) , dietary intentions ( P = @ ; F = @ ) , dietary self-efficacy ( P = @ ; F = @ ) , exercise self-efficacy ( P = @ ; F = @ ) , exercise habits ( P = @ ; F = @ ) , and coping with stress ( P = @ ; F = @ ) and depression ( P = @ ; F = @ ) .