id	keyword
hls-7464	health
hls-7464	poverty
hls-7464	healthcare
hls-7464	households
hls-7464	expenditure
hls-7464	study
hls-7464	spending
hls-7464	world
hls-7464	yenagoa
hls-7464	income
hls-7464	payment
hls-7464	non
hls-7464	data
hls-7464	catastrophic
hls-7464	effect