Further analysis showed that this association, which remained relatively stable by age and body weight groups, was largely accounted for by intake of decaffeinated coffee rather than regular coffee.

更进一步的分析表明，这种与年龄和体重保持相对稳定的关联性，主要可以由她们饮食的脱咖啡因咖啡的数量进行解释，而不能用饮食的普通咖啡数量进行解释。