The aim of this study was to determine the effect of selected socio-economic and demographic determinants (the number of children in the family, father's education, standard of living, sex and age) on the pattern of consumption in adolescents occupying rural areas of the central-eastern Poland. The study included 564 boys and 548 girls 10-15-years-old. Data on the socio-economic status and dietary habits were collected by means of a diagnostic survey. Dietary habits were determined based on a single 24-hour recall. Results obtained were compared with the RDA for Polish people. The effect of socio-economic and demographic determinants on the pattern of consumption were mogenous clusters each of which corresponded to a specific pattern of consumption. It was demonstrated that standard of living and the father's education exerted a significant effect on the pattern of consumption in adolescents examined. This effect was hot indicated for the number of children in the family, age and sex.