Table 3.
Odds ratios (ORs) and 95% confidence intervals (CIs) for non-traumatic mortality for lag day 0 and lag day 1
| Category | Lag Day 0: Adjusted OR (95% CI) | Lag Day 1: Adjusted OR (95% CI) | N (%) with exposure contrasta |
|---|---|---|---|
| All non-traumatic | 1.01 (0.99, 1.04) | 1.02 (1.00, 1.05) | 31,719 (100) |
| Underlying cause of death | |||
| Cardiovascular | 0.99 (0.94, 1.04) | 1.02 (0.97, 1.07) | 8135 (25.6) |
| Ischemic heart disease | 1.04 (0.93, 1.17) | 1.00 (0.89, 1.13) | 1482 (4.7) |
| Respiratory | 1.09 (1.00, 1.18) | 1.05 (0.97, 1.15) | 2945 (9.3) |
| Asthma | 0.51 (0.23, 1.12) | 0.65 (0.31, 1.35) | 46 (0.1) |
| COPD | 1.14 (1.02, 1.26)* | 1.07 (0.96, 1.20) | 1732 (5.5) |
| Pneumonia | 1.08 (0.86, 1.36) | 0.97 (0.77, 1.22) | 380 (1.2) |
| Cerebrovascular | 0.90 (0.75, 1.07) | 0.88 (0.74, 1.05) | 710 (2.2) |
| Age group (years) | |||
| 0–4 | 0.97 (0.77, 1.22) | 0.90 (0.71, 1.13) | 423 (1.3) |
| 5–14 | 0.95 (0.64, 1.41) | 0.83 (0.54, 1.27) | 140 (0.4) |
| 15–44 | 0.99 (0.85, 1.15) | 0.98 (0.85, 1.14) | 935 (2.9) |
| 45–64 | 1.00 (0.95, 1.06) | 1.01 (0.95, 1.07) | 6082 (19.2) |
| 65–84 | 1.02 (0.98, 1.06) | 1.03 (0.99, 1.07) | 13,723 (43.3) |
| 85+ | 1.00 (0.96, 1.05) | 1.03 (0.98, 1.08) | 10,416 (32.8) |
| Location | |||
| Non-urban | 1.00 (0.96, 1.03) | 1.01 (0.97, 1.05) | 17,770 (56.0) |
| Urban | 1.02 (0.99,1.06) | 1.03 (1.00, 1.07) | 13,949 (44.0) |
| Median household incomeb | |||
| < $35,000 | 0.99 (0.92, 1.07) | 0.99 (0.92, 1.07) | 3668 (11.6) |
| $35,000 - $50,000 | 1.05 (0.99, 1.10) | 1.07 (1.02, 1.13)* | 7921 (25.0) |
| $50,000 - $75,000 | 1.00 (0.96, 1.04) | 1.00 (0.96, 1.05) | 11,037 (34.8) |
| $75,000 - $100,000 | 1.03 (0.96, 1.10) | 1.07 (1.00, 1.15)* | 4579 (14.4) |
| ≥ $100,000 | 0.98 (0.87, 1,11) | 0.90 (0.80, 1.02) | 1443 (4.5) |
| Race | |||
| White | 1.01 (0.99, 1.04) | 1.03 (1.00, 1.06)* | 28,395 (89.5) |
| Black | 1.04 (0.89, 1.21) | 0.99 (0.85, 1.16) | 885 (2.8) |
| Native American | 0.95 (0.77, 1.17) | 0.79 (0.64, 0.98)* | 472 (1.5) |
| Hispanic | 0.81 (0.67, 0.99)* | 0.91 (0.76, 1.10) | 580 (1.8) |
| Native Hawaiian/ Other Pacific Islander | 1.19 (0.93, 1.52) | 1.04 (0.80, 1.34) | 329 (1.0) |
| Asian | 0.98 (0.84, 1.14) | 0.99 (0.85, 1.15) | 943 (3.0) |
| Sex | |||
| Female | 1.00 (0.96, 1.03) | 1.03 (0.99, 1.06) | 15,946 (50.3) |
| Male | 1.03 (0.99, 1.06) | 1.02 (0.98, 1.05) | 15,772 (49.7) |
*p ≤ 0.05
aPercent of cases, out of all cases whose strata have both wildfire smoke days and non-wildfire smoke days
bAnnual median household income estimates at the census tract level