Table 1.
Baseline characteristics according to aspirin treatment.
| Variable | Aspirin (n=137) | No aspirin (n=4003) | P-valuea |
|---|---|---|---|
| Age (years) | 65.3 (8.7) | 61.3 (9.2) | <0.0001 |
| Females (%) | 55.5 | 57.6 | 0.66 |
| BMI (kg/m2) | 29.1 (4.4) | 28.4 (4.7) | 0.14 |
| White race (%) | 78.1 | 81.9 | 0.26 |
| PASE (points) | 141.7 (69.9) | 163.8 (82.1) | 0.002 |
| Smoking (previous/current) (%) | 56.6 | 45.9 | 0.002 |
| Degree (%) | 31.6 | 32.2 | 0.93 |
| Yearly income (<50,000 $) (%) | 55.3 | 65.1 | 0.03 |
|
| |||
| Charlson co-morbidity score | 0.7 (1.1) | 0.4 (0.8) | <0.0001 |
| Heart attack (%) | 6.8 | 1.8 | 0.001 |
| Heart failure (%) | 6.7 | 1.7 | <0.0001 |
| Stroke (%) | 8.2 | 2.4 | 0.001 |
| Diabetes (%) | 17.6 | 6.8 | <0.0001 |
| Use of NSAIDs (%) | 19.7 | 23.9 | 0.31 |
|
| |||
| CES-D (points) | 4.6 (4.0) | 4.8 (4.1) | 0.65 |
Abbreviations: BMI Body Mass Index; PASE physical activity scale for the elderly; CES-D Center for Epidemiological Studies Depression.
Data are mean (SD) and percentage for continuous and categorical variables respectively.
a
P-values were calculated with Student’s t-tests and Chi-squared tests for continuous and categorical variables respectively.