Table 1. Characteristics of patients in overall sample.
Key patient demographics used as covariates in statistical models, stratified by HL level. The P values reported in the table are based on appropriate tests (t test, analysis of variance) of the equality between groups.
|
Total
(N = 4331) |
HL level | P | ||
|
Low HL
(n = 1560) |
High HL
(n = 2771) |
|||
| Age, mean ± SD) |
57.2 ± 10 | 56.6 ± 10.2 | 57.6 ± 9.8 | 0.001 |
| Women | 1930 (44.6) | 688 (44.1) | 1242 (44.8) | 0.671 |
| Race/ ethnicity |
<0.001 | |||
| White, non- Hispanic |
1407 (32.5) | 431 (27.6) | 976 (35.2) | |
| Black, non-Hispanic | 582 (13.4) | 237 (15.2) | 345 (12.5) | |
| Hispanic | 572 (13.2) | 262 (16.8) | 310 (11.2) | |
| Asian | 1348 (31.1) | 484 (31) | 864 (31.2) | |
| Other | 422 (9.7) | 146 (9.4) | 276 (10) | |
| Education | <0.001 | |||
| No degree | 402 (9.2) | 188 (12.0) | 214 (7.7) | |
| GED/high school |
995 (23) | 413 (26.5) | 582 (21) | |
| Some college or more |
2934 (67.7) | 959 (61.5) | 1975 (71.3) | |
| Comorbidity score (Charlson index) |
2.2 ± 1.5 | 2.2 ± 1.6 | 2.1 ± 1.5 | 0.067 |