Codes and Frequencies
An 'X' indicates the category is available for that sample
| Code | Label |
18
|
17
|
16
|
15
|
14
|
13
|
12
|
11
|
10
|
09
|
08
|
07
|
06
|
05
|
04
|
03
|
02
|
01
|
00
|
99
|
98
|
97
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | NIU | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 1 | Not chronic | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 2 | Chronic status of limiting problem | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 9 | Unknown if chronic | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
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Description
For persons who have at least one activity limitation (LANY), and for whom a vision problem was reported as a condition causing any activity limitation (CLIMVISION), CLIMVISIONC reports whether the condition status was chronic. A vision problem was coded as chronic by the National Center for Health Statistics (NCHS) if it had lasted at least 3 months.
Definition of chronic condition
For the most part, conditions that have lasted 3 months or longer (or were diagnosed at least 3 months prior to the interview) are classified as "chronic" in the National Health Interview Survey. Those conditions that have lasted less than three months are generally considered "not chronic" (or acute). However, some conditions are considered "chronic" by definition, regardless of the length of time since diagnosis.
As the NHIS Survey Descriptions for 2002 forward explain:
Correspondence with the NCHS staff provided the further information that the following conditions are considered chronic regardless of the amount of time the person had the condition: arthritis/rheumatism; birth defect; cancer; diabetes; heart problem; hypertension; missing limb or finger; old age; mental retardation; senility; stroke; ADD/ADHD; epilepsy; learning disability; and other developmental problem. These "instant chronic" conditions might be treated and may not cause problems, but they do not actually disappear with time, as might be the case for other conditions, such as a bone fracture.
Universe
- 1997-2018: Persons limited due to vision problem.
Availability
- 1997-2018
Weights
- 1997-2018 : PERWEIGHT
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