Difficulty seeing, even if wearing glasses or contact lenses (AF6)
Data file: wm
Overview
Valid:
1278
Invalid:
222
Minimum:
1.0
Maximum:
9.0
Mean:
1.2503912363067293
Standard deviation:
0.5323334106805055
Type:
Discrete
Width:
5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 998 |
78.1%
|
| 2 | SOME DIFFICULTY | 246 |
19.2%
|
| 3 | A LOT OF DIFFICULTY | 33 |
2.6%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.