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Fig. 4. Prevalence of 
3% loss (black bars), stable (gray bars) or 3% gain (open bars) of FFM (top) and BF (bottom) according to 8-yr change in weight (loss >3%, stable, gain >3%). n = number of subjects. Differences (
2) between FFM-losing, stable and gaining subjects were significant in men <45 yr, 2 34.7, degrees of freedom, 4; p < 0.001; women <45 yr, 2 11.2, degrees of freedom, 4; p = 0.02; and between BF-losing, stable and gaining subjects were significant in men <45 yr, 2 22.5, degrees of freedom, 4; p < 0.001; women <45 yr, 2 19.9, degrees of freedom, 4; p < 0.001; women 45 yr, 2 15.8, degrees of freedom, 4; p = 0.003.
