Table 1.
Baseline sociodemographic characteristics and smoking status in relation to mortality risk among 865 patients with asthma*
| Baseline Characteristic | Died (n=123) |
Survived (n=742) |
P-value† |
|---|---|---|---|
| Age, mean (SD), years | 69 (14) | 59 (16) | <.001 |
| Sex | .17 | ||
| Female | 80 (13) | 528 (87) | |
| Male | 43 (16) | 214 (94) | |
| Marital Status | .047 | ||
| Married/Cohabitating | 65 (12) | 462 (88) | |
| Single | 58 (17) | 280 (83) | |
| Education | .055 | ||
| College graduate or higher | 20 (10) | 179 (90) | |
| Some college or lower | 103 (15) | 563 (85) | |
| Race / ethnicity | .34 | ||
| Non-Latino White | 79 (15) | 445 (85) | |
| African American | 14 (9) | 140 (91) | |
| Asian | 9 (16) | 47 (84) | |
| Latino | 10 (14) | 60 (86) | |
| Other | 11 (18) | 50 (82) | |
| Annual Household Income‡ | .053 | ||
| >$60,000 | 8 (8) | 97 (92) | |
| ≤$60,000 | 103 (15) | 603 (85) | |
| Smoking history | .005 | ||
| Current or former smoker | 94 (17) | 470 (83) | |
| Never smoker | 29 (10) | 272 (90) |
*
Data are presented as number (row percentage) except where indicated otherwise.
†
The t test was used for age and likelihood ratio χ2 test for all other characteristics.
‡
Number of subjects for annual household income does not add up to 865 because 54 subjects declined to state income.