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Fig. 3. Longitudinal changes (mean 8-yr) in fat-free mass (FFM) (black bars) and body fat (BF) (gray bars) by weight loss category (loss >3%; stable; gain >3%) in <45 yr and 
45 yr men and women. The ANOVA for FFM, which included sex, age and weight gain category, was significant for weight gain category (p < 0.001) and age (<45 versus 45 yr: p = 0.03). There was no interaction between the main effects. The ANOVA for BF was significantly for weight gain category (p < 0.001). There was no interaction between the main effects.
