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Categorical covariates in the AD population studied
| Covariate | n | % | ||
|---|---|---|---|---|
| Sex | SEX | Male | 119 | 37.2 |
| Female | 201 | 62.8 | ||
| Ethnic origin | RAC | Caucasian | 299 | 93.4 |
| African (Black) | 17 | 5.3 | ||
| Asian | 4 | 1.3 | ||
| Smoking status | SMOK | Never smoker | 170 | 53.1 |
| Ex-smoker | 118 | 36.9 | ||
| Current smoker | 32 | 10.0 | ||
| Alcohol status | ASTA | No alcohol | 181 | 56.6 |
| Average consumption | 139 | 43.4 | ||
| Excessive consumption | 0 | 0 |
