Fig. 2

Forest plot of subgroup analyses for age ≥ 60, male (c), and age ≥ 60, female (d), in ordinal logistic regressions. OR, odds ratio; CI, confidence interval. Adjusting for baseline education, marital status, registered residence, body mass index, alcohol use, smoking status, diabetes, hypertension, social activity, health insurance status, and lipid-lowering medication use