Table 3.
Multiple linear regression analysis for the association between bone density and age (years), menarche age (years), BMI (kg/m2), calcium intake (mg/day), vitamin D intake (µg/day), energy intake (kcal/day), physical activity, smoking, and Mediterranean diet score.
| Quantitative Bone Ultrasound: Ad-SOS (m/s) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.115 | 0.111 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| BMI (kg/m2) | −0.326 | −7.188 | <0.001 |
| Mediterranean Diet Score | 0.099 | 2.171 | 0.030 |
| BMD Femur Neck (g/cm2) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.174 | 0.168 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| BMI (kg/m2) | 0.391 | 8.703 | <0.001 |
| Age (years) | −0.183 | −4.061 | <0.001 |
| Mediterranean Diet Score | 0.114 | 2.584 | 0.010 |
| BMD Trochanter (g/cm2) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.147 | 0.143 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| BMI (kg/m2) | 0.392 | 8.597 | <0.001 |
| Age (years) | −0.108 | −2.368 | 0.018 |
| Mediterranean Diet Score | 0.081 | 1.794 | 0.073 |
| BMD Ward’s Triangle (g/cm2) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.140 | 0.134 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| Age (years) | −0.302 | −6.568 | <0.001 |
| BMI (kg/m2) | 0.241 | 5.264 | <0.001 |
| Mediterranean Diet Score | 0.125 | 5.264 | 0.006 |
| BMD Lumbar Spine: L2–L4 (g/cm2) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.066 | 0.064 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| BMI (kg/m2) | 0.256 | 5.499 | <0.001 |
| Mediterranean Diet Score | 0.047 | 0.983 | 0.326 |
| Volumetric BMD: Total Density (mg/cm3) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.050 | 0.040 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| Menarche Age (years) | −0.140 | −2.476 | 0.014 |
| Mediterranean Diet Score | 0.119 | 2.108 | 0.036 |
| BMI (kg/m2) | 0.14 | 2.010 | 0.045 |
| Volumetric BMD: Trabecular Density (mg/cm3) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.026 | 0.020 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| Mediterranean Diet Score | 0.120 | 2.114 | 0.035 |
| BMI (kg/m2) | 0.114 | 2.003 | 0.046 |
| Volumetric BMD: Cortical Density (mg/cm3) | |||
| Optimal Model | R 2 | Adjusted R2 | |
| 0.042 | 0.035 | ||
| Selected Independent Variable | Standardized β | t | p-value |
| Menarche Age (years) | −0.158 | −2.794 | 0.006 |
| Mediterranean Diet Score | 0.122 | 2.155 | 0.032 |