Study sample demographics
| Study factor | Category of impairment | ||||
|---|---|---|---|---|---|
| Blind | Partial sight | ||||
| No | % | No | % | ||
| NTG, non-training grade. | |||||
| *Ethnic group classification taken from Office for Population Censuses and Surveys as used in the 2002 census.9 | |||||
| Sex | Male | 30 | 21 | 40 | 27 |
| Female | 26 | 18 | 50 | 34 | |
| Age | 18–49 | 10 | 7 | 9 | 6 |
| 50–64 | 7 | 5 | 11 | 8 | |
| 65–74 | 5 | 3 | 11 | 8 | |
| 75+ | 34 | 23 | 59 | 40 | |
| Median (range) | 77 (21–98) | ||||
| Ethnicity* | White | 35 | 24 | 64 | 44 |
| Asian | 16 | 11 | 19 | 13 | |
| Black | 4 | 3 | 6 | 4 | |
| Other | 1 | 1 | 0 | 0 | |
| Unknown | 0 | 0 | 1 | 1 | |
| Grade of examining doctor | Consultant | 18 | 12 | 28 | 19 |
| Fellow | 8 | 5 | 13 | 9 | |
| SpR | 9 | 6 | 15 | 10 | |
| SHO | 4 | 3 | 15 | 10 | |
| NTG | 10 | 7 | 17 | 12 | |
| Data unavailable | 7 | 5 | 2 | 1 | |