“…Potential covariates were controlled in our study based on previous studies (Faraut et al, 2012; Lee et al, 2021; Q. Li, 2021; J. Wang et al, 2022; Zhao et al, 2022). It included socioeconomic and demographic characteristics such as sex, age, ethnicity, residence, education level, annual income, co‐residence, marital status, and occupation before age 60, and covered lifestyle‐related variables such as self‐reported health, drinking, smoking, exercise, taking nutrient supplements, and taking medicines.…”