Boccia D, Hargreaves J, De Stavola BL, et al. The Association between Household Socioeconomic Position and Prevalent Tuberculosis in Zambia: A Case-Control Study, 2011, Pai M, ed. PLoS ONE, 6(6):e20824. doi:10.1371/journal.pone.0020824.

This paper analyses the association between TB prevalence and household socio-economic position and to explore the mechanism underscoring this association in Zambia and reports that household socio-economic position is an important factor in TB prevalence and the inadequate food intake is one of the major mechanism underscoring this association.