Table 2.
Multivariable-adjusted absolute and relative value (95% CI) of α-diversity in quintiles of the dietary indices in FFQ3
| Statistical model | Alpha diversity index | Quintile 1 | Quintile 3 | Quintile 5 | Percentage difference per SD | FDR p-value c | |
|---|---|---|---|---|---|---|---|
| Empirical Dietary Index for Hyperinsulinaemia (EDIH) score | |||||||
| MV a | Shannon diversity | Absolute value | 3.60 (3.40, 3.80) | 3.55 (3.35, 3.75) | 3.49 (3.30, 3.69) | −1.0 (−1.7, −0.3) | 0.037 |
| Relative value | 1 (ref) | −1.4 (−4.1, 1.3) | −3.2 (−5.9, −0.4) | ||||
| Pielou’s evenness | Absolute value | 0.68 (0.65, 0.71) | 0.68 (0.65, 0.71) | 0.67 (0.64, 0.70) | −0.6 (−1.2, −0.1) | 0.044 | |
| Relative value | 1 (ref) | −1.0 (−3.1, 1.1) | −2.1 (−4.2, 0.04) | ||||
| MV + BMI b | Shannon diversity | Absolute value | 3.60 (3.41, 3.81) | 3.57 (3.37, 3.78) | 3.52 (3.33, 3.72) | −0.8 (−1.5, −0.04) | 0.061 |
| Relative value | 1 (ref) | −0.9 (−3.6, 1.8) | −2.4 (−5.2, 0.4) | ||||
| Pielou’s evenness | Absolute value | 0.68 (0.65, 0.71) | 0.68 (0.65, 0.71) | 0.67 (0.64, 0.70) | −0.6 (−1.1, −0.01) | 0.061 | |
| Relative value | 1 (ref) | −0.8 (−3.0, 1.3) | −1.8 (−4.0, 0.3) | ||||
| Empirical Dietary Inflammatory Pattern (EDIP) | |||||||
| MV a | Shannon diversity | Absolute value | 3.59 (3.39, 3.79) | 3.58 (3.39, 3.79) | 3.50 (3.31, 3.70) | −0.8 (−1.5, −0.1) | 0.048 |
| Relative value | 1 (ref) | −0.1 (−2.8, 2.7) | −2.3 (−5.1, 0.4) | ||||
| Pielou’s evenness | Absolute value | 0.68 (0.65, 0.71) | 0.68 (0.65, 0.71) | 0.67 (0.64, 0.70) | −0.6 (−1.2, −0.1) | 0.045 | |
| Relative value | 1 (ref) | −0.3 (−2.4, 1.8) | −1.4 (−3.6, 0.7) | ||||
| MV + BMI b | Shannon diversity | Absolute value | 3.60 (3.40, 3.80) | 3.60 (3.40, 3.81) | 3.53 (3.34, 3.73) | −0.7 (−1.4, 0.05) | 0.071 |
| Relative value | 1 (ref) | 0.2 (−2.6, 2.9) | −1.9 (−4.7, 0.8) | ||||
| Pielou’s evenness | Absolute value | 0.68 (0.65, 0.71) | 0.68 (0.65, 0.71) | 0.67 (0.64, 0.70) | −0.6 (−1.1, −0.04) | 0.059 | |
| Relative value | 1 (ref) | −0.2 (−2.3, 1.9) | −1.3 (−3.4, 0.8) | ||||
a
Values are beta-coefficients from linear regression models, adjusted for total energy intake, BMI, age, race, smoking status, supplement use, occupation, education, postmenopausal status, hormone replacement therapy, and nonsteroidal anti-inflammatory drug use.
b
BMI was additional adjusted.
c
The bolded numbers represent statistically significant findings (i.e., FDR p value <0.05).