AHS2
> Baseline
> A2

Baseline Variable: GALLBLY

Description

Number of years since operated on for this condition: Gallbladder surgery

Notes

* This variable will have a "0" level added as part of the never_had_updates
.
* Only present in version 1

Data Values

Current

Original

Related variables

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

Location

Questionnaires

Questionnaire Version	Labeled Page	Physical Page	TIFF Image Index	Scan Path
1	A2 info /	5	02	''R:\Tiff_Quest_V1''
2	not present
3	not present

Database Tables

Modifications

"Never Had" Update

For details see: "Never Had" updates
. This is a never_had_updates#Type 1
variable.

SQL Code:

update image.dbo.part1
set GALLBLY = '0'
where GALLBLY = ''
and GALLBL = '1';

update image.dbo.part1
set GALLBLY = '0'
where GALLBLY = ''
and GALLBL = ''
and SURGERY = '1';

Before / After counts

Version 1