By Anonymous - October 27, 2014

AHS2
> Baseline
> A2

Baseline Variable: APPENDY

Description

Number of years since operated on for this condition: Appendix

Notes

* This variable will have a "0" level added as part of the never_had_updates
.

Data Values

Current

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

Original

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

* SURGERY
- "Have you ever had surgery for problems other than cancer" (should be 2 if APPENDY
is greater than 0)
* APPEND
- No/Yes variable for surgery for "Appendix" (should be 2 if APPENDY
is greater than 0)

Location

Questionnaires

Questionnaire Version Labeled Page Physical Page TIFF Image Index Scan Path
1 A2 info
/image
5 02 ''R:\Tiff_Quest_V1''
2 A2 info
/image
5 45 ''R:\Tiff_Quest_V2''
3 A2 info
/image
5 45 ''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 2
variable.

SQL Code:

-- Version 1
update image.dbo.part1
set APPENDY = '0'
where APPENDY = ''
and APPEND = '1';

update image.dbo.part1
set APPENDY = '0'
where APPENDY = ''
and APPEND = ''
and SURGERY = '1';

-- Version 2/3
update image.dbo.v2part1
set APPENDY = '0'
where APPENDY = ''
and SURGERY = '1';

update image.dbo.v3part1
set APPENDY = '0'
where APPENDY = ''
and SURGERY = '1';

Before / After Counts

Version 1

Before After
SURGERY APPEND APPENDY COUNT SURGERY APPEND APPENDY COUNT
67 67
5 1 5 1
1 21 1 0 21
2 4 2 4
1 771 1 0 771
1 1 67 1 1 0 67
2 1136 2 1136
2 4 8 2 4 8
2 5 58 2 5 58
2 1 1795 2 1 0 1795
2 1 5 6 2 1 5 6
2 2 24 2 2 24
2 2 1 6 2 2 1 6
2 2 2 16 2 2 2 16
2 2 3 18 2 2 3 18
2 2 4 79 2 2 4 79
2 2 5 948 2 2 5 948

Version 2

Before After
SURGERY APPENDY COUNT SURGERY APPENDY COUNT
498 498
* 1 * 1
1 7148 1 0 7148
2 15360 2 15360
2 * 1 2 * 1
2 1 49 2 1 49
2 2 125 2 2 125
2 3 185 2 3 185
2 4 594 2 4 594
2 5 5329 2 5 5329

Version 3

Before After
SURGERY APPENDY COUNT SURGERY APPENDY COUNT
1174 1174
* 6 * 6
* 4 1 * 4 1
1 21078 1 0 21078
2 29694 2 29694
2 * 7 2 * 7
2 1 78 2 1 78
2 2 252 2 2 252
2 3 303 2 3 303
2 4 990 2 4 990
2 5 8499 2 5 8499