Table 3: Coefficients of linear regression, confidence intervals and p-values for Body Mass Index (BMI) of elderly men, according to independent variables, Viçosa, MG, 2009.
β | CI95% | Adjusted β | CI95% | p-value | |
---|---|---|---|---|---|
Age | |||||
-0.005 | -0.008 to -0.003 | -0.005 | -0.007 to -0.002 | 0.000 | |
Income | |||||
< R$465,00 (Q1) | 0 | - | * | ||
R$465,00 - R$599,00 (Q2) | 0.085 | -0.184 to 0.143 | |||
R$600,00 - R$1599,00 (Q3) | 0.013 | -0.113 to 0.087 | |||
≥ R$1600,00 (Q4) | 0.037 | -0.060 to 0.134 | |||
Scholarity | |||||
Never studied | 0 | - | * | ||
0-4 years of study | 0.014 | -0.052 to 0.080 | |||
5 or more years of study | 0.07 | -0.003 to 0.143 | |||
Smoking | |||||
Never smoked | 0 | - | - | - | 0 |
Ex-smoker | 0.002 | -0.042 to 0.047 | -0.013 | -0.056 to 0.029 | |
Currently smoker | -0.106 | -0.165 to -0.047 | -0.107 | -0.164 to -0.051 | |
Alcohol use | |||||
No | 0 | - | 0 | 0.03 | |
Ex user | -0.056 | -0.099 to -0.134 | -0.044 | -0.083 to -0.004 | |
Yes | -0.046 | -0.115 to 0.226 | -0.051 | -0.116 to 0.014 | |
Physical activity | |||||
No | 0 | - | * | ||
Yes | 0.042 | -0.004 to 0.087 | |||
Dyslipidemia | |||||
No | 0 | - | - | - | 0 |
Yes | 0.1 | 0.061 to 0.139 | 0.083 | 0.045 to 0.121 | |
Diabetes | |||||
No | 0 | - | * | ||
Yes | 0.08 | 0.037 to 0.085 | |||
Hypertension | |||||
No | 0 | - | * | ||
Yes | 0.041 | -0.004 to 0.085 |
β: univariated regression coeficiente; Adjusted β: multivariate regression coefficient; *Variables that did not remain in the regression model.