CD4 and tuberculosis: Comparing those who developed incident tuberculosis and those who did not, there were statistically significant differences in the average monthly income of the head of household (456.3 and 661.9 reais); average BMI (21.4 and 23.9 Kg/m2); and average baseline CD4 count (275.2 and 456.7 cel/mm3) (data not shown).