Definition
PIGIMPNUM reports the number of improved (or non-indigenous) pigs owned by the household. The complementary variable PIGIMPYN indicates whether the household owned any improved pigs.
The related variables PIGYN and PIGNUM indicate whether the household owned pigs (without the "improved" qualifier) and, if yes, how many.
The information in PIGIMPNUM is taken from the household record and applies to regular household residents, not temporary visitors. Researchers may wish to exclude visitors using the RESIDENT variable when women, children, or births are the unit of analysis, and using the HHRESIDENT variable when household members are the unit of analysis.