By Anonymous - November 3, 2014

AHS2
> Baseline
> A3

Baseline Variable: BRONCHY

Description

Number of years since diagnosed with: Chronic bronchitis

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 A03Q7
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

* A03Q7
- "never been told that you had any of the conditions listed below"
* BRONCH
- Treated for this in the last 12 months: Chronic bronchitis

Location

Questionnaires

Questionnaire Version Labeled Page Physical Page TIFF Image Index Scan Path
1 A3 info
/image
6 03 ''R:\Tiff_Quest_V1''
2 A3 info
/image
6 44 ''R:\Tiff_Quest_V2''
3 A3 info
/image
6 44 ''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 BRONCHY = '0'
where BRONCHY = ''
and A03Q7 = '1';

-- Version 2
update image.dbo.v2part1
set BRONCHY = '0'
where BRONCHY = ''
and A03Q7 = '1';

-- Version 3
update image.dbo.v3part1
set BRONCHY = '0'
where BRONCHY = ''
and A03Q7 = '1';

Before / After Counts

Version 1

Before After
A03Q7 BRONCHY COUNT A03Q7 BRONCHY COUNT
2562 2562
1 87 1 87
2 29 2 29
3 24 3 24
4 18 4 18
5 67 5 67
1 2230 1 0 2230
1 1 3 1 1 3
1 2 2 1 2 2
1 4 1 1 4 1
1 5 2 1 5 2

Version 2

Before After
A03Q7 BRONCHY COUNT A03Q7 BRONCHY COUNT
16515 16515
1 416 1 416
2 195 2 195
3 156 3 156
4 107 4 107
5 451 5 451
0 4 0 4
1 11427 1 0 11427
1 1 5 1 1 5
1 2 2 1 2 2
1 3 3 1 3 3
1 4 3 1 4 3
1 5 6 1 5 6

Version 3

Before After
A03Q7 BRONCHY COUNT A03Q7 BRONCHY COUNT
33688 33688
* 5 * 5
1 877 1 877
2 373 2 373
3 347 3 347
4 216 4 216
5 834 5 834
1 25692 1 0 25692
1 1 20 1 1 20
1 2 10 1 2 10
1 3 6 1 3 6
1 4 3 1 4 3
1 5 11 1 5 11