Table 2.
Mean cognition scores in the four categories of TC variability in Wave 3.
| Sex | TC variability | N | Global cognition | Episodic memory | Figure drawing | TICS | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| X ± s | P value | X ± s | P value | X ± s | P value | X ± s | P value | |||
| Male | Q1 (≤ 0.306 mmol/L) | 1703 | 11.14 ± 3.91 | Ref | 3.32 ± 1.81 | Ref | 0.71 ± 0.45 | Ref | 7.11 ± 2.60 | Ref |
| Q2 (0.306–0,612 mmol/L) | 829 | 11.05 ± 3.84 | 0.409 | 3.30 ± 1.76 | 0.682 | 0.71 ± 0.45 | 0.683 | 7.04 ± 2.60 | 0.472 | |
| Q3 (0.612–0.918 mmol/L) | 243 | 10.69 ± 4.10 | 0.009 | 3.26 ± 1.72 | 0.250 | 0.66 ± 0.47 | 0.058 | 6.77 ± 2.78 | 0.006 | |
| Q4 (> 0.918 mmol/L) | 122 | 10.88 ± 3.96 | 0.155 | 3.20 ± 1.64 | 0.111 | 0.66 ± 0.47 | 0.210 | 7.02 ± 2.70 | 0.189 | |
| Female | Q1 (≤ 0.278 mmol/L) | 1899 | 9.59 ± 4.46 | Ref | 3.30 ± 1.86 | Ref | 0.54 ± 0.50 | Ref | 5.76 ± 2.97 | Ref |
| Q2 (0.278–0.556 mmol/L) | 1,040 | 9.52 ± 4.57 | 0.728 | 3.27 ± 1.90 | 0.790 | 0.51 ± 0.50 | 0.078 | 5.75 ± 3.02 | 0.766 | |
| Q3 (0.556–0.834 mmol/L) | 361 | 8.93 ± 4.53 | 0.542 | 3.06 ± 1.84 | 0.655 | 0.48 ± 0.50 | 0.844 | 5.40 ± 3.09 | 0.591 | |
| Q4 (> 0.834 mmol/L) | 185 | 9.12 ± 4.93 | 0.427 | 3.13 ± 1.98 | 0.697 | 0.54 ± 0.50 | 0.281 | 5.45 ± 3.19 | 0.413 | |
Adjusted for age, education, mean TC, marital status, residential area, BMI, smoking, drinking, depression, lipid-lowering therapy, hypertension, dyslipidaemia, diabetes mellitus, stroke, heart disease, and cancer.