Table 2.
Descriptive statistics of monthly household income distribution

Monthly household income	n (%)
≤990,000 won	23( 3.52)
1,000,000 won∼1,990,000 won	58( 8.87)
2,000,000 won∼2,990,000 won	114(17.43)
3,000,000 won∼3,990,000 won	126(19.27)
4,000,000 won∼4,990,000 won	106(16.21)
5,000,000 won∼5,990,000 won	89(13.61)
6,000,000 won∼6,990,000 won	50( 7.65)
7,000,000 won∼7,990,000 won	49( 7.49)
≥8,000,000 won	39( 3.96)