TABLE 3.
Hazard ratios (95% confidence interval) from the Cox proportional hazards models for hospitalization 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) | 0.92 (0.76,1.11) | 0.95 (0.79,1.15) | 1.07 (0.88,1.29) | 1.11 (0.92,1.34) |
| Q3 (1.80, 2.09) | 0.72 (0.59, 0.88)∗∗ | 0.74 (0.61, 0.91)∗∗ | 0.90 (0.74,1.11) | 0.97 (0.79,1.19) |
| Q4 (2.10, 2.50) | 0.56 (0.45, 0.69)∗∗∗ | 0.56 (0.45, 0.7)∗∗∗ | 0.73 (0.59, 0.92)∗∗ | 0.81 (0.65,1.02) |
| Q5 (>2.50) | 0.48 (0.38, 0.6)∗∗∗ | 0.46 (0.36, 0.58)∗∗∗ | 0.63 (0.5, 0.8)∗∗∗ | 0.74 (0.58, 0.94)∗ |
| Linear trend quintiles | 0.82 (0.78, 0.86)∗∗∗ | 0.82 (0.78, 0.86)∗∗∗ | 0.89 (0.84, 0.93)∗∗∗ | 0.92 (0.87, 0.97)∗∗ |
| Linear trend per SD | 0.75 (0.7, 0.81)∗∗∗ | 0.75 (0.69, 0.81)∗∗∗ | 0.84 (0.78, 0.91)∗∗∗ | 0.89 (0.83, 0.97)∗∗ |
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.