Categorising education into five groups and sequential risk adjustments on the relationship
| Risk adjustment category | Illiterate vs college (n=319 vs 462) | Primary vs college (n=836 vs 462) | Junior high vs college (n=1092 vs 462) | Senior high vs college (n=661 vs 462) | ||||
| 1 year RR (95% CI) | P value | 1 year RR (95% CI) | P value | 1 year RR (95% CI) | P value | 1 yYear RR (95% CI) | P value | |
| 1-year MACE | ||||||||
| No adjustment (model 1) | 2.81 (1.68 to 4.69) | <0.001 | 1.80 (1.13 to 2.88) | 0.014 | 1.34 (0.84 to 2.15) | 0.219 | 0.76 (0.43 to 1.34) | 0.341 |
| Demographic factors (model 2) | 1.79 (1.04 to 3.07) | 0.036 | 1.42 (0.88 to 2.28) | 0.153 | 1.39 (0.87 to 2.22) | 0.174 | 0.82 (0.47 to 1.44) | 0.490 |
| Demographic factors+CVD risk profiles (model 3) | 1.85 (1.07 to 3.20) | 0.029 | 1.41 (0.87 to 2.28) | 0.162 | 1.39 (0.86 to 2.23) | 0.175 | 0.82 (0.47 to 1.45) | 0.503 |
| 1-year mortality | ||||||||
| No adjustment (model 1) | 6.57 (2.49 to 17.37) | <0.001 | 2.44 (0.92 to 6.45) | 0.072 | 2.21 (0.85 to 5.75) | 0.104 | 1.26 (0.42 to 3.75) | 0.681 |
| Demographic factors (model 2) | 3.17 (1.15 to 8.75) | 0.026 | 1.63 (0.61 to 4.37) | 0.330 | 2.19 (0.84 to 5.72) | 0.110 | 1.38 (0.46 to 4.11) | 0.568 |
| Demographic factors+CVD risk profiles (model 3) | 2.37 (1.13 to 6.83) | 0.029 | 1.43 (0.53 to 3.87) | 0.484 | 2.08 (0.79 to 5.49) | 0.138 | 1.36 (0.45 to 4.08) | 0.588 |
Model 1, unadjusted;
Model 2, adjusted for demographic characteristics including age and sex;
Model 3, model two plus adjustment for cardiovascular clinical characteristics.