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.