Cognitive performance dependent on calendar age in years.

*Values are expressed as mean (standard error).
†N = 446. Abbreviations: β, estimate; CI, confidence interval; 15-PLT, 15-Picture Learning Test; DSST, Digit Symbol Substitution Test. Model 1: adjusted for gender and years of education. Model 2: as model 1+ diabetes mellitus, cardiovascular diseases (myocardial infarction, stroke and hypertension), alcohol use, smoking, high-sensitivity C-reactive protein, interleukin-6 and apolipoprotein E genotype.

* 数值以均值（标准误（standard error））表示。
† 样本量N=446。缩写说明：β，估计值（estimate）；CI，置信区间（confidence interval）；15-PLT，15图学习测验（15-Picture Learning Test）；DSST，数字符号替换测验（Digit Symbol Substitution Test）。模型1：校正性别与受教育年限。模型2：在模型1的校正因素基础上，额外纳入糖尿病、心血管疾病（含心肌梗死、脑卒中与高血压）、饮酒、吸烟、高敏C反应蛋白、白细胞介素-6以及载脂蛋白E基因型作为校正变量。