Table 3.
Correlations of BMD and BMC with anthropometric and football training variables in FTY, UY, FTE, and UE.
| Age | Body mass | Height | BMI | Fat mass | Lean body mass | Sessions/week | Years of football | |
|---|---|---|---|---|---|---|---|---|
| Whole-body BMD | ||||||||
| FTY | 0.036 | 0.329 | 0.116 | 0.281 | 0.017 | 0.352* | 0.141 | 0.077 |
| UY | 0.423* | 0.646*** | 0.438** | 0.538*** | 0.185 | 0.528** | – | – |
| FTE | 0.303 | 0.262 | 0.272 | 0.091 | 0.007 | 0.455** | 0.057 | 0.306 |
| UE | 0.193 | 0.245 | 0.332 | 0.053 | 0.218 | 0.282 | – | – |
| Whole-body BMC | ||||||||
| FTY | 0.056 | 0.659*** | 0.535** | 0.302 | 0.119 | 0.690*** | 0.135 | 0.013 |
| UY | 0.370* | 0.727*** | 0.759** | 0.759** | 0.145 | 0.525** | – | – |
| FTE | 0.354* | 0.330 | 0.504** | 0.024 | 0.038 | 0.630*** | 0.022 | 0.383* |
| UE | 0.202 | 0.378* | 0.594*** | 0.051 | 0.202 | 0.595*** | – | – |
| Total proximal femur (right) BMD | ||||||||
| FTY | 0.192 | 0.019 | 0.014 | 0.032 | 0.081 | 0.026 | 0.028 | 0.194 |
| UY | 0.232 | 0.375* | 0.196 | 0.333 | 0.089 | 0.394* | – | – |
| FTE | 0.382* | 0.074 | 0.122 | 0.003 | 0.130 | 0.268 | 0.105 | 0.242 |
| UE | 0.157 | 0.245 | 0.277 | 0.078 | 0.264 | 0.229 | – | – |
Note: linear regression ρ correlation coefficient.
Abbreviations: BMC = bone mineral content; BMD = bone mineral density; BMI = body mass index; FTE = lifelong football-trained elderly men; FTY = elite football-trained young men; UE = untrained elderly men; UY = untrained young men.
⁎
p < 0.05; **p < 0.01; ***p < 0.001.