Table 5 Multivariate regression analysis of the effect of TC on BMD in different gender populations
Linear regression | Break point (K) | < K | > K | LLR test | |
|---|---|---|---|---|---|
β (95% CI) | β (95% CI) | β (95% CI) | P | ||
Male | |||||
Age | |||||
< 45 | 3.466 (0.039, 6.893) | 5.10 | 2.276 (-1.896, 6.449) | 4.147 (0.460, 7.835) | 0.325 |
≥ 45 | 3.678 (1.214, 6.142) | 4.44 | 5.649 (2.691, 8.606) | 3.113 (0.605, 5.621) | 0.180 |
BMI | |||||
< 24 | 3.525 (-0.709, 7.759) | 5.53 | 4.098 (-0.363, 8.559) | 2.873 (-1.652, 7.399) | 0.423 |
≥ 24, < 28 | 5.270 (2.692, 7.848) | 5.19 | 4.801 (1.966, 7.636) | 5.715 (2.905, 8.524) | 0.434 |
≥ 28 | 2.004 (-1.692, 5.700) | 3.34 | 11.193 (-2.401, 24.788) | 1.842 (-1.860, 5.544) | 0.167 |
Female | |||||
Age | |||||
< 45 | -2.517(-9.616, 4.582) | 3.64 | 11.878 (-5.680, 29.436) | -3.036 (-10.153, 4.081) | 0.079 |
≥ 45 | -5.076(-8.621, -1.531) | 4.27 | 6.581 (0.874, 12.287) | -5.961 (-9.514, -2.407) | < 0.001*** |
BMI | |||||
< 24 | -0.709 (-4.499, 3.081) | 6.24 | -1.285 (-5.246, 2.675) | 0.726 (-4.019, 5.470) | 0.323 |
≥ 24, < 28 | -0.091 (-4.345, 4.164) | 4.08 | 7.441 (-0.526, 15.408) | -0.524 (-4.793, 3.745) | 0.028* |
≥ 28 | -1.780 (-9.676, 6.116) | 4.35 | -15.682 (-28.066, -3.298) | -0.382 (-8.292, 7.529) | 0.004** |