TABLE 4.
Hazard ratios (95% confidence interval) from the Cox proportional hazards models for death with coronavirus disease 2019 as a function of plasma DHA% (n = 110,584)
| Plasma DHA% quintile (Q; min–max) | Unadjusted | Model 21 | Model 31 | Model 41 |
|---|---|---|---|---|
| Q1 (<1.49, reference) | 1 | 1 | 1 | 1 |
| Q2 (1.49, 1.79) | 0.84 (0.59,1.21) | 0.86 (0.6,1.24) | 0.97 (0.67,1.39) | 1.03 (0.71,1.48) |
| Q3 (1.80, 2.09) | 0.69 (0.47,1.01) | 0.69 (0.47,1.01) | 0.84 (0.57,1.24) | 0.93 (0.63,1.38) |
| Q4 (2.10, 2.50) | 0.42 (0.27, 0.66)∗∗∗ | 0.40 (0.25, 0.63)∗∗∗ | 0.53 (0.33, 0.83)∗∗ | 0.61 (0.39, 0.98)∗ |
| Q5 (>2.50) | 0.72 (0.49,1.05) | 0.61 (0.41, 0.9)∗ | 0.85 (0.57,1.27) | 1.04 (0.69,1.57) |
| Linear trend quintiles | 0.87 (0.8, 0.96)∗∗ | 0.84 (0.77, 0.92)∗∗∗ | 0.92 (0.83,1.01) | 0.96 (0.87,1.06) |
| Linear trend per SD | 0.83 (0.72, 0.95)∗∗ | 0.78 (0.68, 0.9)∗∗∗ | 0.88 (0.77,1.01) | 0.95 (0.83,1.09) |
1
Model 2, adjusted for age at start of pandemic, sex, and race; model 3, including model 2 covariates + waist circumference; model 4, including model 3 covariates + Townsend deprivation index, time since enrollment, smoking status, education, self-reported health, blood pressure, slow walking pace, fresh fruit, dried fruit, fresh vegetables, cooked vegetables, and grain fiber. ∗P < 0.05; ∗∗P < 0.01; ∗∗∗P < 0.001.