By Anonymous - November 3, 2014

AHS2
> Baseline
> A4

Baseline Variable: DEGDISCY

Description

Number of years since diagnosed with: degenerative disc, sciatica/arthritis of the back

Notes

* "Never Had" value, coded as 0, added as appropriate as part of the never_had_updates
.

Data Values

Current

Levels Value
(empty string) Missing
0 Never Had (derived from on A04Q8
variables)
1 Less than 5 years ago
2 5-9 years ago
3 10-14 years ago
4 15-19 years ago
5 20+ years ago

Original

Levels Value
(empty string) Missing
1 Less than 5 years ago
2 5-9 years ago
3 10-14 years ago
4 15-19 years ago
5 20+ years ago

* A04Q8
- "never been told that you had any of the conditions listed below"
* DEGDISC
- Treated for this in the last 12 months: degenerative disc

Location

Questionnaires

Questionnaire Version Labeled Page Physical Page TIFF Image Index Scan Path
1 A4 info
/image
7 04 ''R:\Tiff_Quest_V1''
2 A4 info
/image
7 43 ''R:\Tiff_Quest_V2''
3 A4 info
/image
7 43 ''R:\Tiff_Quest_V3''

Database Tables

Table Name Description
image.dbo.part1 modified version 1 part 1 data
image.dbo.part1_unmodified original/raw version 1 part 1 data

Modifications

"Never Had" Update

For details see: "Never Had" updates
. This is a never_had_updates#Type 5
variable.

SQL Code:

-- Version 1
update image.dbo.part1
set DEGDISCY = '0'
where DEGDISCY = ''
and A04Q8 = '1';

-- Version 2
update image.dbo.v2part1
set DEGDISCY = '0'
where DEGDISCY = ''
and A04Q8 = '1';

-- Version 3
update image.dbo.v3part1
set DEGDISCY = '0'
where DEGDISCY = ''
and A04Q8 = '1';

Before / After Counts

Version 1

Before After
A04Q8 DEGDISCY Count A04Q8 DEGDISCY Count
2543 2543
1 195 1 195
2 91 2 91
3 77 3 77
4 45 4 45
5 119 5 119
1 1943 1 0 1943
1 1 6 1 1 6
1 2 1 1 2 1
1 3 3 1 3 3
1 5 2 1 5 2

Version 2

Before After
A04Q8 DEGDISCY Count A04Q8 DEGDISCY Count
13797 13797
1 1025 1 1025
2 522 2 522
3 394 3 394
4 264 4 264
5 594 5 594
0 4 0 4
1 12658 1 * 1
1 * 1 1 0 12658
1 1 11 1 1 11
1 2 8 1 2 8
1 3 4 1 3 4
1 4 1 1 4 1
1 5 7 1 5 7

Version 3

Before After
A04Q8 DEGDISCY Count A04Q8 DEGDISCY Count
27786 27786
* 10 * 10
1 2053 1 2053
2 985 2 985
3 776 3 776
4 496 4 496
5 960 5 960
0 1 0 1
1 28964 1 0 28964
1 1 24 1 1 24
1 2 9 1 2 9
1 3 4 1 3 4
1 4 4 1 4 4
1 5 10 1 5 10