Table 1. Regression analysis showing the association between the selected principal components and outcome.
PC | Odds ratio (95% CI) | Main loadings of PC |
---|---|---|
PC1 | 1.65 (1.49–1.83) | x1, x3, x5 |
PC2 | 0.60 (0.53–0.68) | x2, x4 |
PC, principal component; CI, confidence interval.