TABLE 2.
Association between categories of years of education and cognitive impairment.
| ELSI | ||||||
|---|---|---|---|---|---|---|
| Unadjusted | Model 1 | Model 2 | ||||
| Education categories | OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P |
| 0 | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| 1–4 | 0.371 (0.304; 0.453) | < 0.001 | 0.450 (0.367; 0.551) | < 0.001 | 0.458 (0.396; 0.595) | < 0.001 |
| 5–8 | 0.252 (0.191; 0.329) | < 0.001 | 0.395 (0.296; 0.551) | < 0.001 | 0.438 (0.329; 0.579) | < 0.001 |
| >8 | 0.266 (0.206; 0.339) | < 0.001 | 0.428 (0.329; 0.555) | < 0.001 | 0.488 (0.372; 0.637) | < 0.001 |
| MHAS | ||||||
|---|---|---|---|---|---|---|
| Unadjusted | Model 1 | Model 2 | ||||
| Education categories | OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P |
| 0 | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| 1–4 | 0.300 (0.251; 0.359) | < 0.001 | 0.362 (0.301; 0.435) | < 0.001 | 0.357 (0.295; 0.430) | < 0.001 |
| 5–8 | 0.166 (0.134; 0.205) | < 0.001 | 0.266 (0.212; 0.329) | < 0.001 | 0.294 (0.236; 0.364) | < 0.001 |
| >8 | 0.126 (0.099; 0.159) | < 0.001 | 0.262 (0.203; 0.336) | < 0.001 | 0.308 (0.238; 0.395) | < 0.001 |
Abbreviations: CI, confidence interval; ELSI, Brazilian Longitudinal Study of Aging; MHAS, Mexican Health and Aging Study; OR, odds ratio.
Model 1: Unweighted logistics regression adjusted for age and sex.
Model 2: Unweighted logistics regression additionally adjusted for alcohol consumption, smoking, diabetes, hypertension, cardiovascular disease, body mass index, and depression.