The household(s) to which the starting household referred the interview teams were then interviewed using the complete questionnaire.
Data were collected via face-to-face interviews with one self-selected household member, acting as informant for the entire household (referred to as 'informants' in the remainder of this article).
'Core family' constitutes parents and unmarried children, while 'stem family' refers to a household in which parents and married children are living together.
Low- and high-income households refer to the households located above and below the median of the household income distribution, respectively.
Low- and high-health expenditure households refer to the households located above and below the median of the household health expenditure distribution, respectively.
That's a nice gesture, but remember those 100 million households referred to above?
Skip-generation households refer to those in which children are in the care of a person, usually a grandparent over the age of 60, with no younger adults in the household.
For qualitative sampling, a two-stage cluster design to select a representative sample of around 1100 households (refer to the Annex 2 in the report for sampling considerations) across the six purposively selected LGAs was followed.
