two to three years. It is important to determine whether different results would be observed with a longer-term fully prospective investigation. In addition, only one measure was used for each of the domains, including LR, and, to facilitate comparisons across sexes, the LR measure was considered after adjusting for weight. Finally, many additional sex-related differences may exist, but could not be explored in this relatively brief report focusing on the sex-related differences specifically within the LR-based model.