The selection of other covariates used for adjustment were based on past literature and included sex, age, highest level of education completed (≤primary, secondary, ≥tertiary), wealth quintiles based on country-specific income, marital status ((currently married/cohabiting) or not married (never married/separated/divorced/widowed)) and smoking status (never, current smoker, quit).
Whereas livestock is a secondary source of wealth to the Otoro, cattle are the primary source of wealth, prestige, and political position for the Humr Baqqārah.
As noted above, covariates were categorized based on our conceptual framework (i.e., factors that influence expectations, secondary education, high wealth quintile).
Table 4 Rural-urban effects of remittances on secondary school enrollment Bottom wealth tercile Middle wealth tercile Top wealth tercile Bivariate probit Obs.
Such prospects of fame and wealth were secondary, however; by winning that gold medal, Salazar would finally and forever erase the smirk from his brother's face.
Recycling standard portable batteries such as the AA alkaline batteries powering a torch or a toy can yield a wealth of secondary materials such as iron, zinc and ferromanganese.
Nature produces an astonishing wealth of secondary metabolites with important biological functions.
In the process of evolution, variation and combination of basic building blocks has led to an astonishing wealth of secondary metabolites.
Cyanobacteria produce a wealth of secondary metabolites, including the group of small cyclic heptapeptide hepatotoxins that constitutes the microcystin family.
It appears to furnish a wealth of secondary functions to its host, which may be useful in a wide range of ecological conditions.
