Table 4.
Income level (USD) | Never/rarely hears noise | Sometimes/often/extremely often hears noise | Total |
---|---|---|---|
Less than 25,000 | 126 (74%) | 44 (26%) | 170 |
25,000 to less than 50,000 | 192 (74%) | 66 (26%) | 258 |
50,000 to less than 75,000 | 201 (69%) | 89 (31%) | 290 |
75,000 to less than 100,000 | 168 (70%) | 71 (30%) | 239 |
100,000 or more | 314 (70%) | 134 (30%) | 448 |