Table 5.
Linear regression coefficients (brute and adjusted) for bone mineral density according to sociodemographic, lifestyle, anthropometric, and body composition variables, in elderly women. Goiânia, GO, 2009. n = 132.
| Variables | β brute | p value∗ | Multivariate analysis | |
|---|---|---|---|---|
| β Aj # | p value | |||
| Age | ||||
| 60–64 | 1.000 | — | — | — |
| 65–69 | 0.020 | 0.553 | 0.009 | 0.756 |
| 70–74 | −0.012 | 0.751 | −0.008 | 0.805 |
| 75–79 | −0.065 | 0.124 | −0.073 | 0.044 |
| Over 80 | −0.122 | 0.014 | −0.085 | 0.043 |
| BMI (WHO) | ||||
| Low weight | −0.202 | 0.000 | −0.120 | 0.264 |
| Eutrophic | −0.152 | 0.000 | −0.156 | 0.001 |
| Overweight | −0.058 | 0.037 | −0.042 | 0.348 |
| Obese | 1.00 | — | — | — |
| BMI (Lipschitz) | ||||
| Low weight | −0.184 | 0.000 | −0.173 | 0.000 |
| Eutrophic | −0.096 | 0.000 | −0.084 | 0.000 |
| Overweight | 1.00 | — | 1.00 | — |
| BFP∗ | ||||
| Adequate | 0.091 | 0.000 | 0.010 | 0.761 |
| Augmented | 1.00 | — | 1.00 | — |
| WC∗ | ||||
| Adequate | −0.146 | 0.000 | −0.070 | 0.165 |
| Enlarged | −0.086 | 0.003 | −0.05 | 0.184 |
| Very enlarged | 1.00 | — | 1.00 | — |
∗Was not included in the final multivariate linear regression model. #Adjusted by age and BMI.
R 2 = 0.42.