Home » Topics » HIV » HIV Testing: MWAR7ADT data
HIV Testing: MWAR7ADT data [message #14374] |
Thu, 29 March 2018 20:28 |
martynas
Messages: 1 Registered: March 2018 Location: Lazdijai
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Member |
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Hello everyone.
Recently I started looking into MWAR7ADT data for HIV testing. However, I cannot find the full definitions of variables: hivclust, hivnumb, hivline, hiv01, hiv02, hiv03, hiv05, hiv06, hiv07 and hiv08. I was not able to find such variable names in Standard Recode Manual For DHS 6 . Could anyone provide me a source (or explain) about definitions and possible values of these variables? The help would be very much appreciated.
[Updated on: Thu, 29 March 2018 20:31] Report message to a moderator
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Re: HIV Testing: MWAR7ADT data [message #14750 is a reply to message #14397] |
Thu, 03 May 2018 14:17 |
Liz-DHS
Messages: 1516 Registered: February 2013
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Senior Member |
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Dear User,
A response from senior data processing expert:
Quote:
For women we start with the individual recode file and select only women with a complete interview (V015 = 1)
We then try to find the woman in the HIV data file and exclude women without a valid HIV results (samptake = 0) and for those where the result was indeterminant (HIV03 = 8) (see below).
We use the HIV weights and the age for women is based on V013.
if V015 <> 1 then skip case endif;
{ load HIV testing data for woman }
testdatid = concat( edit("ZZZZZZZ9",V001), edit("ZZZ9",V002), edit("ZZ9",V003) );
samptake = loadcase( HIVTESTDAT, testdatid );
{ exclude if no test data found or if test was indeterminant }
If not samptake or not HIV03 in 0:7,9 then
skip case;
endif;
rweight = HIV05 / 1000000;
{ woman's age }
hivage = V013;
xtab( t1403, rweight );
For men we loop through RECHMA and we first establish whether a valid test result is available.
We check whether the man is a de-facto resident and then try to find the man in the male recode file (matched by HB0)
We then select only the men with a valid test result and use the HIV weights (see below)
{ tabulate all tables for men }
isex = 2;
for i in RECHMA_EDT do
{ if blood taken check if test was successful }
samptake = 0;
if HB63 = 1 then
{ load test data for men and modify hivres1 accordingly }
xline = edit("ZZ9",HB0);
testdatid = concat( edit("ZZZZZZZ9",HV001), edit("ZZZ9",HV002), edit("ZZ9",HB0) ); { Guillermo }
samptake = loadcase( HIVTESTDAT, testdatid );
if samptake then
if not HIV03 in 0:7,9 then
hivres1 = 4; { test was performed but protocol didn't reach the end }
samptake = 0; { not enough blood will not be included in the denominator }
endif;
else
hivres1 = 4; { blood taken but sample not on data file }
endif;
endif;
if HV103(HB0) = 1 then { de-facto population }
{ load male questionnaire }
maleid = concat( HHID, edit("ZZ9",HB0) );
if loadcase( MRECODE7, maleid ) & MV015 = 1 then
{ age in five years }
hivage = MV013;
{ exclude if no test data found or if test was indeterminate }
if samptake then
rweight = HIV05 / 1000000; { in HIV file }
xtab( t1403, rweight );
endif;
endif;
enddo;
I hope that this will help in generating the right numbers.
Thanks,
Bert
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