Table 2 Univariate and multivariate analysis by weighted linear regression model and GAM model
From: Association between serum urea nitrogen levels and prostate-specific antigens (NHANES 2003–2010)
Exposure | Nonadjusted model | Minimally adjusted model | Fully adjusted model | GAM model |
|---|---|---|---|---|
serum urea nitrogen | 0.0859 (0.0693, 0.1025) <0.000001 | 0.0207 (0.0040, 0.0373) 0.015010 | 0.0239 (0.0064, 0.0414) 0.007554 | 0.0239 (0.0064, 0.0414) 0.007554 |
serum urea nitrogen | ||||
Q1 | -0.0865 (-0.1558, -0.0171) | 0.0363 (-0.0352, 0.1077) | 0.0285 (-0.0437, 0.1006) | 0.0285 (-0.0437, 0.1006) |
Q2 | 0.0595 (-0.0016, 0.1205) | 0.1200 (0.0568, 0.1831) | 0.1069 (0.0435, 0.1702) | 0.1069 (0.0435, 0.1702) |
Q3 | 0.0513 (-0.0146, 0.1171) | 0.0671 (-0.0005, 0.1348) | 0.0726 (0.0051, 0.1401) | 0.0726 (0.0051, 0.1401) |
Q4 | 0.3445 (0.2808, 0.4083) | 0.1730 (0.1080, 0.2381) | 0.1728 (0.1069, 0.2387) | 0.1728 (0.1069, 0.2387) |
P for trend | < 0.001 | 0.020 | 0.011 | 0.011 |