Variables | Illiterate | Primary school | Middle school or above | Statistical values | P |
---|---|---|---|---|---|
Age (yr), median (IQR) | 70 (67, 76) | 70 (68, 75) | 71 (68, 76) | 1.561a | 0.458 |
Subjective sleep disorders, n (%) | 28 (35.1) | 46 (26.3) | 29 (26.4) | 0.900a | 0.638 |
Atherosclerosis, n (%) | 20 (22.5) | 32 (18.3) | 27 (24.5) | 1.716a | 0.424 |
TC (mmol/L, mean ± SD) | 4.28 ± 1.01 | 4.4 ± 0.88 | 4.14 ± 1.08 | 2.382b | 0.094 |