By Anonymous - November 3, 2014

AHS2
> Baseline
> A4

Baseline Variable: TYPEIY

Description

Number of years since diagnosed with: Diabetes mellitus (Type I - juvenile)

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 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"
* TYPEI
- Treated for this in the last 12 months: Diabetes mellitus (Type I - juvenile)

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 TYPEIY = '0'
where TYPEIY = ''
and A04Q8 = '1';

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

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

Before / After Counts

Version 1

Before After
A04Q8 TYPEIY Count A04Q8 TYPEIY Count
3049 3049
1 5 1 5
2 2 2 2
3 2 3 2
4 3 4 3
5 9 5 9
1 1954 1 0 1954
1 4 1 1 4 1

Version 2

Before After
A04Q8 TYPEIY Count A04Q8 TYPEIY Count
16425 16425
1 51 1 51
2 18 2 18
3 20 3 20
4 10 4 10
5 72 5 72
0 4 0 4
1 12683 1 0 12683
1 1 3 1 1 3
1 2 1 1 2 1
1 5 3 1 5 3

Version 3

Before After
A04Q8 TYPEIY Count A04Q8 TYPEIY Count
(null) 0 (null) 0
32587 32587
1 149 1 149
2 68 2 68
3 50 3 50
4 42 4 42
5 169 5 169
0 1 0 1
1 28998 1 0 28998
1 1 9 1 1 9
1 2 2 1 2 2
1 3 1 1 3 1
1 4 1 1 4 1
1 5 4 1 5 4