Table 2.
Association between sex hormones and bone mineral density: the linear regression model
| Variable |
Men |
Women |
||
|---|---|---|---|---|
| Coeffcient (SE) | P-value | Coeffcient (SE) | P-value | |
|
Femoral neck BMD |
|
|
|
|
| Intercept |
0.097 (0.105) |
0.354 |
0.443 (0.032) |
<0.0001 |
| Age |
-1.152 (0.104) |
<0.0001 |
-1.483 (0.121) |
<0.0001 |
| Age squared |
0.023 (0.101) |
0.820 |
-0.268 (0.096) |
0.005 |
| Weight |
0.07 (0.0008) |
<0.0001 |
0.004 (0.0008) |
<0.0001 |
| Log (testosterone) |
0.020 (0.012) |
0.090 |
-0.004 (0.0005) |
0.530 |
|
Log (estradiol) |
0.032 (0.120) |
0.008 |
0.014 (0.004) |
0.001 |
|
Lumbar spine BMD |
|
|
|
|
| Intercept |
0.411 (0.131) |
0.002 |
0.554 (0.040) |
<0.0001 |
| Age |
-0.293 (0.130) |
0.025 |
-1.360 (0.150) |
<0.0001 |
| Age squared |
-0.253 (0.127) |
0.048 |
-0.765 (0.119) |
<0.0001 |
| Weight |
0.007 (0.001) |
<0.0001 |
0.004 (0.0006) |
<0.0001 |
| Log (testosterone) |
-0.001 (0.015) |
0.951 |
0.006 (0.008) |
0.401 |
| Log (estradiol) | 0.026 (0.015) | 0.086 | 0.021 (0.005) | <0.0001 |
Note: SE, standard error.