Table 1.
Characteristics of the study cohort population.
| Characteristic | Study cohort (n=17040) |
|---|---|
| Number of encounters, N | 3786379 |
| Age (a) (years, mean (SD)) | 49.0 (15.6) |
| Sex, n (%) | |
| Male | 9724 (57.1) |
| Female | 7316 (42.9) |
| Race, n (%) | |
| Black or African American | 1069 (6.3) |
| Other (b) | 2725 (16.0) |
| White | 13246 (77.7) |
| Ethnicity, n (%) | |
| Hispanic | 1379 (8.1) |
| Non-Hispanic | 13713 (80.5) |
| Unknown | 1948 (11.4) |
| Marital status, n (%) | |
| Union | 9055 (53.1) |
| Non-union | 7644 (44.9) |
| Unknown | 341 (2) |
| Tobacco status, n (%) | |
| Smoker | 1288 (7.6) |
| Non-smoker | 14850 (87.1) |
| Unknown | 902 (5.3) |
| Alcohol status (c), n (%) | |
| Consumption | 4580 (26.9) |
| Non-consumption | 2765 (16.2) |
| Unknown | 9695 (56.9) |
| Employment status, n (%) | |
| Employed | 7341 (43.1) |
| Non-employed | 6833 (40.1) |
| Unknown | 2866 (16.8) |
| Comorbidities, n (%), age (years, mean (SD)) (a) | |
| Diabetes | 1773 (10.4), 53.6 (12.2) |
| Hypertension | 3573 (21.0), 56.1 (12.2) |
| Study outcomes, n (%), age (years, mean (SD)) (a) | |
| Intracranial hemorrhage | 96 (0.6), 58.4 (15.2) |
| Ischemic stroke | 1964 (11.5), 57.1 (13.8) |
| Depression | 2627 (15.4), 47.4 (15.2) |
| Composite of dementia | 746 (4.4), 63.7 (9.5) |
| Death | 896 (5.3), 64.1 (12.7) |
| None | 10711 (62.9), 47.0 (15.2) |
The number of patients and encounters is represented by n and N, respectively.
(a)
Age at baseline for the first visit in the study period.
(b)
‘Other’ includes ‘unknown’, ‘declined’, ‘American Indian or Alaska Native’, ‘Asian’ and ‘Native Hawaiian or other Pacific Islander’. Since these races represent less than 15% of the data, they were omitted to preserve patient privacy.
(c)
Alcohol Consumption corresponds to consumption of at least one drink per week.