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Fig. 1. The interaction between exercise group assignment and the effect of calcium intake/kcal on changes in weight was assessed. Linear regression models included calcium intake/kcal and group assignment as the explanatory variables and weight as the response variable. The lines represent the prediction of changes in weight in the exercise group (dotted line) and the non-exercise group (solid line). The difference between the slopes of the lines was not significant (p = 0.91).
