Households were categorized into quintiles of socio-economic position (SEP) based on dwelling characteristics and possession of durable assets using principal component analysis.
For the last we used an asset index based on household characteristics and possessions.
SES was constructed using principal components analysis (PCA) using information about dwelling characteristics and possessions.
Other data collected included history, symptoms and signs of illness for cases, parent's education level, household characteristics and possessions, and distance to the nearest health facility.
Measures of permanent income included various household characteristics and possessions: number of rooms, tables, and chairs in the house; number of cars owned; and presence of electricity, bicycles, clocks, buckets, dishwashers, refrigerators, fixed telephone lines, cell phones, televisions, and computers.
Wasps are distinguished from the ants and bees of Apocrita by various behavioral and physical characteristics, particularly their possession of a slender, smooth body and legs with relatively few hairs.
We estimated a logistic regression model to assess the independent contribution of demographic and patient characteristics, including medication possession ratio, to the probability of experiencing secondary failure.
Members' characteristics, overcrowding and possession of specific goods (e.g. home appliances) were assigned a specific weight, so that the sum of all weighted criteria determined the final household welfare status indicator.
In the words of Shashi Tharoor, an Indian commentator, it is a category "more sociological than logical .An essential characteristic is the possession of a reasonable amount of discretionary income.
The socio-economic index for households in each site was based on a locally derived wealth index; all households in a site were allocated to wealth quintiles which were developed using principal component factor analysis (14) on a range of asset variables including dwelling characteristics and household possessions (such as livestock and durable goods).
