in order to carry out this calculation the indigence line is multiplied by a factor that varies between urban and rural areas for poverty estimates for up to a factor of was used for urban areas and a factor of for rural areas the factors applied since vary depending on the difference between price trends for foodstuffs and for other goods and services for estimates calculated up to december the same rate of variation was applied to both lines since the indigence line has been adjusted to reflect changes in cpi for foodstuffs while the part of the poverty line corresponding to expenditure on nonfood goods has been adjusted to reflect changes in the nonfood cpi