Body mass index predicted dementia more strongly in women: obese women were 200% more likely to have dementia than women of normal weight, whereas obese men had a nonsignificant 30% increase in risk.

• 身体质量指数对女性痴呆症的预测能力较强；肥胖女性罹患痴呆症的机率是正常体重者的两倍，男性肥胖者则较之正常者高出30%25。