Table 1.
Factors used to construct the eight stratified samples; details in Method section
| Hearing difficulty (“Do you have difficulty with your hearing?”) |
Hearin g ability (ssq6) |
Age group (50-64 vs. 65-80) |
Type | Abbreviation |
|---|---|---|---|---|
| No-difficulty | High- ability |
Younger | Consistent | no/high/y |
| No-difficulty | High- ability |
Older | Consistent | no/high/o |
| Yes -difficulty | Low- ability |
Younger | Consistent | yes/low/y |
| Yes -difficulty | Low- ability |
Older | Consistent | yes/low/o |
| No-difficulty | Low- ability |
Younger | Inconsistent | NO/LOW/Y |
| No-difficulty | Low- ability |
Older | Inconsistent | NO/LOW/O |
| Yes-difficulty | High- ability |
Younger | Inconsistent | YES/HIGH/Y |
| Yes -difficulty | High- ability |
Older | Inconsistent | YES/HIGH/O |